78.1 °F in 1983 If you’re tired of Phoenix’s summer heat, you’ll be encouraged by the weather stats for Wednesday, Sept. 18. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. If you are after some real summer heat in September, Phoenix is the place you want to be. September is in the fall / autumn in Scottsdale and is typically the 4th warmest month of the year. Sorry, the location you searched for was not found. MERRA-2 Modern-Era Retrospective Analysis. Fri 18 | Day. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon. Weather ☀ ⛅ Phoenix ☀ ⛅ September ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in September for Phoenix. 12:19 PM, Nov 01, 2018 . Temperatures in Phoenix are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. Twelve days in the month can usually be classified as monsoon days. Daily high temperatures decrease by 7°F, from 102°F to 95°F, rarely falling below 87°F or exceeding 108°F. 90 °F on Sep 7. The black line is the percentage chance that a given day is within the growing season. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. 2017 2018 2019 2020. The estimated value at Phoenix is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Phoenix and a given station. September is in the fall / autumn in Phoenix and is typically the 4th warmest month of the year. The average hourly wind speed in Phoenix is gradually increasing during September, increasing from 5.9 miles per hour to 6.6 miles per hour over the course of the month. ... Meet the ABC15 Weather Team. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. NWS The thin dotted line is the corresponding average liquid-equivalent snowfall. The number of hours during which the Sun is visible (black line). 92.1 °F in 1976, Warmest Average Weather in September in Phoenix. The situation is deteriorating compared to the previous month since in july there is an average of 1.1in of precipitation over 5 days. Even at night temperatures don’t drop below 75°F (24°C). All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Set Record High Low. For reference, on February 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 38%, while on June 13, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 86%. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Please select one of the following: Phoenix NWS Watch, Warning, Advisory Product Criteria. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. C° F° For reference, on August 13, the muggiest day of the year, there are muggy conditions 24% of the time, while on November 3, the least muggy day of the year, there are muggy conditions 0% of the time. The chance that a given day will be muggy in Phoenix is rapidly decreasing during September, falling from 18% to 3% over the course of the month. The shaded overlays indicate night and civil twilight. September Weather September usually signals the end of the monsoon season. Average Weather in September in Phoenix Arizona, United States. There are normally 11 hours of bright sunshine each day in Phoenix in September - that's 88% of daylight hours. In September 1988 there was … For reference, on June 20, the longest day of the year, the Sun rises at 5:18 AM and sets 14 hours, 22 minutes later, at 7:41 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 9 hours, 56 minutes later, at 5:24 PM. Daytime temperatures usually reach 37°C in Phoenix in September with very high heat and humidity, falling to 21°C at night. Chinle to Phoenix via PFNP becomes an all day drive. 109 °F on Sep 17 Tied Record High. Coolest Additional climate information can be found on our climate page. There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Phoenix. The climate in Phoenix during September can be summarized as very hot and dry. Amber Sullins. Phoenix Daily Records for September 2019. Phoenix Weather in September. The hottest periods will occur in mid-June and late August. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). From the start to the end of the month, the length of the day decreases by 59 minutes, implying an average daily decrease of 2 minutes, 2 seconds, and weekly decrease of 14 minutes, 16 seconds. The shaded overlays indicate night and civil twilight. For reference, the year's highest daily chance of a wet day is 19% on August 12, and its lowest chance is 1% on June 13. The clearest day of the month is September 25, with clear, mostly clear, or partly cloudy conditions 85% of the time. Daily low temperatures decrease by 10°F, from 81°F to 72°F, rarely falling below 65°F or exceeding 87°F. Free Long Range Weather Forecast for Phoenix, Arizona. Temperature for September 1988. The percentage of time spent in various temperature bands. In July, the warmest month, the average day time temperature rises to 104.2°F. The lowest chance of overcast or mostly cloudy conditions is 15% on September 25. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Yuma Daily Records for September 2019. National Oceanic and Atmospheric Administration Daytime maximum temperatures average around a warm 37°C (98°F), whilst at night 22°C (71°F) is normal. Based on weather reports collected during 1985–2015. The average daily incident shortwave solar energy in Phoenix is gradually decreasing during September, falling by 0.8 kWh, from 6.5 kWh to 5.7 kWh, over the course of the month. In September 1988 the average high temperature in Phoenix, AZ was 100.6°F, and this was 0.5°F cooler than the average of 101.1°F. 84 °F on Sep 22 Set Record High Low The average maximum temperature lies around 38.0°C (100.4°F). Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Arizona in September. Iris Hermosillo. 4%. 90.7 °F in 2015 How much does it rain in Phoenix in September? This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Keep your expectations low. Shortwave radiation includes visible light and ultraviolet radiation. Except for a few afternoon clouds, mainly sunny. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. 89 °F on Sep 6. The days at Phoenix begin to cool down quickly during September. The percentage of time spent at various humidity comfort levels, categorized by dew point. 68°. UV Index 3 of 10. Showing: All Year January February March April May June July August September October November December The average sliding 31-day rainfall during September in Phoenix is gradually decreasing, starting the month at 0.8 inches, when it rarely exceeds 1.6 inches or falls below 0.2 inches, and ending the month at 0.5 inches, when it rarely exceeds 1.3 inches. The detour through the park plus the time it takes to get back to Holbrook will add 3 hours plus any time you take for extended walks.. Book Holiday Inn or Best Western at Chinle. In this report, we use a base of 50°F and a cap of 86°F. It hardly rains with only 1 … For the purposes of this report, the geographical coordinates of Phoenix are 33.448 deg latitude, -112.074 deg longitude, and 1,083 ft elevation. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. The average accumulated growing degree days in Phoenix are very rapidly increasing during September, increasing by 954°F, from 5,792°F to 6,746°F, over the course of the month. The climate in Scottsdale during September can be summarized as very hot and dry. Arizona weather in September 2021. NWS Phoenix2727 E Washington StNWS PAB 1TAPhoenix, AZ 85034(602) 275-0073Comments? 112 °F on Sep 4. Within 50 miles contains very significant variations in elevation (6,909 feet). The average minimum temperature (usually the minimum temperature is noted during the night) in Phoenix in September is 25.0°C (77°F). 89 °F on Sep 6 Tied Record High Low. Get the Most Accurate Forecast for Phoenix, Arizona and across the Valley from ABC15 Arizona. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Lower dew points feel drier and higher dew points feel more humid. The thin dotted lines are the corresponding average perceived temperatures. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. Calendar overview of Months Weather Forecast. 88 °F on Sep 5. The average hourly temperature, color coded into bands. Tied Record High Low. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. 62.2 °F in 1941, El Centro Daily Records for September 2020. The muggier period of the year lasts for 2.8 months, from June 29 to September 23, during which time the comfort level is muggy, oppressive, or miserable at least 6% of the time. Phoenix Daily Records for September 2020 114 °F on Sep 4 Set Record High. You'll have to wait until November for summer to give up its hold on the city, as September temperatures have reached as high as 116 degrees Fahrenheit (47 degrees Celsius) in … The muggiest day of the year is August 13, with muggy conditions 24% of the time. Daily high temperatures decrease by 7°F, from 102°F to 95°F, rarely falling below 87°F or exceeding 108°F. US Dept of Commerce What is the average humidity in September in Phoenix? The topography within 2 miles of Phoenix is essentially flat, with a maximum elevation change of 56 feet and an average elevation above sea level of 1,082 feet. 55 F Phoenix Sky Harbor International Airport ... You are about to report this weather station for bad data. Phoenix, AZ Weather History star_ratehome. Does it … In most years, Phoenix averages a daily maximum temperature for September that's between 98 and 102 degrees Fahrenheit (37 to 39 degrees Celsius). The National Weather Service said Phoenix tied the daily high temperature for Sept. 4. Daily low temperatures decrease by 10°F, from 81°F to 72°F, rarely falling below 65°F or exceeding 87°F. The average monthly temperature is […] The weather in august in Phoenix (Arizona) is relatively dry (with 1.2in of rainfall over 5 days). Humidity 29%. Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead. Coolest The climate is very hot in this city in august. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. 106.4 °F in 1956 113 °F on Sep 6 Set Record High. Daylight saving time is not observed in Phoenix during 2020. September and October will be cooler than normal, with near- to slightly above-normal precipitation. support@__remove_this_part__weatherspark.com. Phoenix just needs 13 days to break the record, and the National Weather Service forecasts that this week will make 2020 have 135 days at or … Questions? From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. Arizona, United States. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. For each station, the records are corrected for the elevation difference between that station and Phoenix according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Answer 1 of 5: We would like to plan trip for next Sept. or Oct can you give us the high & lows? Average Weather during September in Phoenix (Arizona), United States of America. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. The earliest sunrise of the month in Phoenix is 6:02 AM on September 1 and the latest sunrise is 20 minutes later at 6:22 AM on September 30. Phoenix Weather for September 2020. 82 °F on Sep 19 Tied Record High Low. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Weather reports from September 2017 in Phoenix, Arizona, USA with highs and lows Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. The stations contributing to this reconstruction are: Phoenix Sky Harbor International Airport (74%, 7 kilometers, east); Phoenix-Deer Valley Airport (9%, 27 kilometers, north); Phoenix Goodyear Airport (9%, 29 kilometers, west); and Luke Air Force Base (8%, 29 kilometers, northwest). Daytime maximum temperatures average around a warm 36°C (97°F), whilst at night 20°C (68°F) is normal. Please Contact Us. The average relative humidity in September in Phoenix is 35.6%. Average High Average Low Record High Record Low Average Precipitation. Temperatures still reach a hot 100°F (38°C) and the sun shines for an average of 11 hours each day. 109 °F on Sep 16 Tied Record High. The average growing degree days accumulated over the course of September, with 25th to 75th and 10th to 90th percentile bands. S 4 mph. How sunny is it in Phoenix in September? The minimum temperature usually falls between 74 and 77 °F (23 to 25 °C). Over the course of September in Phoenix, the length of the day is decreasing. The latest sunset is 6:52 PM on September 1 and the earliest sunset is 40 minutes earlier at 6:13 PM on September 30. September is a dry month with an average of 16mm (0.6in) rain. 115 °F on Sep 5 Set Record High. For reference, on April 29, the windiest day of the year, the daily average wind speed is 7.5 miles per hour, while on August 15, the calmest day of the year, the daily average wind speed is 5.7 miles per hour. The solar day over the course of September. Typical temperatures at cities, towns, national parks and monuments in Arizona during the month of September are listed below. To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Please try another search. Weather data is prone to errors, outages, and other defects. Within 10 miles is essentially flat (1,722 feet). All NOAA, Warmest Phoenix's coldest month is January when the average temperature overnight is 43.4°F. National Oceanic and Atmospheric Administration. For reference, on July 4, the hottest day of the year, temperatures in Phoenix typically range from 84°F to 107°F, while on December 27, the coldest day of the year, they range from 45°F to 65°F. The figure below presents a compact representation of key lunar data for September 2020. Precipitation for September 1988. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. The area within 2 miles of Phoenix is covered by artificial surfaces (52%) and shrubs (48%), within 10 miles by artificial surfaces (51%) and shrubs (44%), and within 50 miles by shrubs (85%). Ouargla, Algeria (6,361 miles away) is the far-away foreign place with temperatures most similar to Phoenix (view comparison). Multiple locations were found. Although the long sustained periods of high humidity that occur principally in July and August may have ended, periods of high humidity do still occur in September. Winds light and variable. Please select the information that is incorrect. The month of September in Phoenix experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 20% to 16%. In Phoenix, the chance of a wet day over the course of September is rapidly decreasing, starting the month at 15% and ending it at 7%. The average high-temperature, in September, in Phoenix, Arizona, is 99.9°F (37.7°C), while the average low-temperature is 76.8°F (24.9°C). The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on September. You'll find separate tables for each region of the state: Southern Arizona, Western Arizona, Phoenix Area, Central Arizona, and Northern Arizona. The Old Farmer's Almanac Long Range Weather Forecast for the Desert Southwest Region. We assume no responsibility for any decisions made on the basis of the content presented on this site. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . The best months for good weather in Phoenix (Arizona) are January, February, March, April, May, June, September, October, November and December On average, the warmest months are June, July, August and September That's the first date since May 30 that … The wind direction in Phoenix during September is predominantly out of the west from September 1 to September 22 and the east from September 22 to September 30. Coolest Current conditions at Phoenix, Phoenix Sky Harbor International Airport (KPHX) Lat: 33.427799°NLon: 112.003465°WElev: 1115ft. Tied Record High. It was 112 degrees. Select a destination to see more weather parameters. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). National Weather Service The hottest day in September 1988 was 10 September when the temperature reached 108.0°F. Time zones for airports and weather stations are provided by AskGeo.com . The shortest day of the month is September 30, with 11 hours, 51 minutes of daylight and the longest day is September 1, with 12 hours, 50 minutes of daylight. 79.2 °F in 1941, Warmest This report illustrates the typical weather in Phoenix, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. 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