We are planning a visit the second week in September. Below are the averages during September for maximum and minimum humidity levels in South Dakota. Flooding of the James River at Columbia, South Dakota, was first triggered after a bomb cyclone hit the Plains in March 2019. Home | Privacy & Cookies | Contact | About. The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius. Want to visit Mt. In the Black Hills of South Dakota, 10 to 15 inches of snow was reported from this storm. High °C. Temperature In Spearfish, the average high-temperature in September decreases, from a moderately hot 84.7°F (29.3°C) in August, to a still warm 74.7°F (23.7°C). Months with the highest number of rainy days are May and June (12 days). High °F. SIOUX FALLS, S.D. The coldest month (with the lowest average low temperature) is January (-12°C). Average Weather in September in Rapid City South Dakota, United States Daily high temperatures decrease by 14°F , from 82°F to 68°F , rarely falling below 52°F or exceeding 93°F . Best time to visit South Dakota, United States. Climate of the World. Months with the highest UV index are June and July (UV index 9). World Data Center for Meteorology. The driest month (with the lowest rainfall) is January (9mm). At one place, Rapid City, humidity data are for 8 am and 5 pm. Average Weather in September at Black Hills Airport South Dakota, United States Daily high temperatures decrease by 14°F , from 79°F to 65°F , rarely falling below 49°F or exceeding 90°F . In September, the average high-temperature decreases, from 82.4°F (28°C) in August, to a still warm 73.4°F (23°C). Get the monthly weather forecast for Mount Rushmore Ut, SD, including daily high/low, historical averages, to help you plan ahead. The first month of the autumn, September, is still a warm month in Spearfish, South Dakota, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 74.7°F (23.7°C). The month with the highest average low temperature is July (13°C). Visitors make foliage pilgrimages to places like Spearfish Canyon and Sica Hollow State Park to take in the gorgeous transition. The majority of the state sees a substantial amount of snow, and mountains have deep snow packs. The warmest month (with the highest average high temperature) is July (29°C). Morning percentages are for 6 am and Afternoon measures are for 3 pm local standard time. Mitchell Sueker … Daytime temperatures usually reach 22°C in Deadwood in September, falling to 6°C at night. Wettest months (with the highest rainfall) are May and June (77mm). Average Weather in September in Sioux Falls South Dakota, United States. based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). By: Michelle Ewing, Cox Media Group National Content Desk Updated: September 11, 2019 - 2:33 PM SIOUX FALLS, S.D. Showing: All Year January February March April May June July August September October November December All Year Climate & Weather … The average humidity in September is listed below for places in South Dakota. Daily low temperatures decrease by 11°F , from 56°F to 44°F , rarely falling below 34°F or exceeding 65°F . How sunny is it in Deadwood in September? September temperatures: daily averages. Months with least sunshine are January, November and December (Average sunshine: 5). The month with the lowest average high temperature is January (1°C). Months with the lowest number of rainy days are October and November (6 days). I would like to go mid-late Sept. Can anyone tell me what the weather is usually like at that time, if there are any events / festivals? The best times to visit South Dakota for ideal weather are. Average Weather in September in Deadwood South Dakota, United States. Fall weather tends to be mild with an average daytime high of 57°F (14°C) and low of 44°F (7°C), although temperatures and precipitation can vary. The tables give daily averages along with highest and lowest relative humidity levels. Get the monthly weather forecast for Spearfish, SD, including daily high/low, historical averages, to help you plan ahead. Rushmore, Deadwood, Black Hills, Badlands, etc. The month with shortest days is December (Average daylight: 9h). In South Dakota, there are 3 comfortable months with high temperatures in the range of 70-85°. May 14th to September 30th. Months with the lowest UV index are January and December (UV index 1). | Resources, In Keystone, South Dakota, the average sunshine in, In Keystone, South Dakota, the average daily maximum UV index in. The September weather guide for Aberdeen, South Dakota shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & … Place. 43. Today’s and tonight’s Rapid City, SD weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com (AP) -- Filip Rebraca had a career-high 26 points as North Dakota edged past South Dakota 75-71 on Thursday night in a Summit League opener for both teams. Select a destination to see more weather … The variety of trees in South Dakota become color-changing canvases in the autumn. Daily low temperatures decrease by 11°F , from 55°F to 44°F , rarely falling below 33°F or exceeding 64°F . Low °C. Free Long Range Weather Forecast for Rapid City, South Dakota. All the numbers here are averages for the years 1961 to 1990. Plan to spend about 7 days in area. Based on weather reports collected during 1985–2015. July is the hottest month for South Dakota with an average high temperature of 85.2°, which ranks it as about average compared to other states. Tyree Ihenacho had 12 points and nine rebounds for North Dakota (1-3). Keystone, South Dakota, USA - September weather averages including high and low temperatures, humidity, rainfall, snowfall, daylight, sunshine, UV index, and sea temperature. Copyright © 2020 Current Results Publishing Ltd. Average September Temperatures in South Dakota, Precipitation Averages for South Dakota in September, Sunshine in South Dakota During September. Calendar overview of Months Weather Forecast. In Keystone, South Dakota, in September, the average low-temperature is 42.8°F (6°C). You can jump to a separate table for each region of the state: Eastern , Central and Western North Dakota. South Dakota Tourism South Dakota Hotels South Dakota Bed and Breakfast South Dakota Vacation Rentals South Dakota Packages Flights to South Dakota ... South Dakota Pet Friendly Motels; Post. Showing: All Year January February March April May June July August September October November December All Year Climate & Weather … The most pleasant months of the year for South Dakota are June, September and August. [2383776], Weather Atlas | © 2002-2020 | Yu Media Group d.o.o. South Dakota. The best time to visit the state South Dakota in the United States is from may until september, when you will have a pleasant or warm temperature and limited till little rainfall.The highest average temperature in South Dakota is 31°C in july and the lowest is -3°C in january. 70. Read below for more weather and travel details. The average low-temperature, in September, is 43.3°F (6.3°C). You can jump to a separate table for each region of the state: Eastern , Central and Western South Dakota. Answer 1 of 2: Hello All - BF and I are planning a trip to South Dakota in September. The average … Based on weather reports collected during 1985–2015. Answer 1 of 11: I have ordered a vacation planner from South Dakota visitors bureau. Average Temperatures for North Dakota in September Average temperatures for September at cities, towns, parks and lakes throughout North Dakota are listed below in degrees Fahrenheit and Celsius. In this table, the Daily number is the average of humidity readings taken every three hours throughout the day. Temperature In Custer, the average high-temperature in September slightly decreases, from a warm 78.8°F (26°C) in August, to an agreeable 70.2°F (21.2°C). The hours when this month's highest and lowest humidity readings usually occur are given in local standard time. 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