Sioux Falls
September
Weather in Sioux Falls for September 2024
Your guide to Sioux Falls weather in September - trends and predictions
Until now, September 2024 in Sioux Falls is slightly cooler than the historical average by -0.8 °F.
The forecast for the next days in Sioux Falls predicts temperatures to be around 26 °F, close to the historical average.
In general, the average temperature in Sioux Falls at the beginning of September is 32.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.9 °F by the end of September.
Sioux Falls sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
30°/12°
Temperatures
23 km/h
Avg max wind
57 %
Avg humidity
Sioux Falls in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | ||||||
| 2  37° | 3  37° | 4  39° | 5  30° | 6  26° | 7 28° | 8 32° |
| 9 32° | 10 30° | 11 31° | 12 31° | 13 32° | 14 31° | 15 30° |
| 16 29° | 17 28° | 18 29° | 19 29° | 20 30° | 21 29° | 22  16° |
| 23 15° | 24 25° | 25 27° | 26 32° | 27 23° | 28 28° | 29 25° |
| 30 28° |
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Temperatures trend during September in Sioux Falls
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Partly cloudy | 33° /13° | 0 mm | 8 | |
| Sept. 2 | Mist | 37° /12° | 0 mm | 8 | |
| Sept. 3 | Thundery outbreaks possible | 37° /15° | 0 mm | 9 | |
| Sept. 4 | Sunny | 39° /17° | 0.4 mm | 10 | |
| Sept. 5 | Patchy rain possible | 30° /16° | 0.2 mm | 7 | |
| Sept. 6 | Cloudy | 26° /11° | 0 mm | 6 | |
| Sept. 7 | Sunny | 28° /5° | 0.1 mm | 8 | |
| Sept. 8 | Sunny | 32° /10° | 0 mm | 8 | |
| Sept. 9 | Thundery outbreaks possible | 32° /15° | 2 mm | 8 | |
| Sept. 10 | Fog | 30° /16° | 0.4 mm | 7 | |
| Sept. 11 | Mist | 31° /10° | 0 mm | 8 | |
| Sept. 12 | Thundery outbreaks possible | 31° /11° | 0 mm | 7 | |
| Sept. 13 | Partly cloudy | 32° /13° | 0 mm | 8 | |
| Sept. 14 | Partly cloudy | 31° /11° | 0.1 mm | 8 | |
| Sept. 15 | Fog | 30° /15° | 1.8 mm | 7 | |
| Sept. 16 | Partly cloudy | 29° /13° | 0.2 mm | 7 | |
| Sept. 17 | Sunny | 28° /11° | 0 mm | 7 | |
| Sept. 18 | Thundery outbreaks possible | 29° /19° | 0 mm | 5 | |
| Sept. 19 | Partly cloudy | 29° /19° | 0 mm | 5 | |
| Sept. 20 | Sunny | 30° /12° | 0 mm | 6 | |
| Sept. 21 | Patchy rain possible | 29° /16° | 0.4 mm | 5 | |
| Sept. 22 | Moderate rain | 16° /13° | 6.9 mm | 3 | |
| Sept. 23 | Patchy rain possible | 15° /13° | 0.5 mm | 3 | |
| Sept. 24 | Cloudy | 25° /11° | 0 mm | 4 | |
| Sept. 25 | Sunny | 27° /13° | 0 mm | 5 | |
| Sept. 26 | Sunny | 32° /15° | 0 mm | 6 | |
| Sept. 27 | Sunny | 23° /10° | 0 mm | 5 | |
| Sept. 28 | Sunny | 28° /11° | 0 mm | 5 | |
| Sept. 29 | Sunny | 25° /15° | 0 mm | 5 | |
| Sept. 30 | Sunny | 28° /11° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Sioux Falls in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sioux Falls forecast closer to your planned date for the most up-to-date weather information.
Sioux Falls in September - FAQ
What are the expected maximum and minimum temperatures in Sioux Falls during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 12° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Sioux Falls during September?
Moderate rainfall is anticipated in Sioux Falls during September, with a total of 58.9 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Sioux Falls during September?
The average wind speed in Sioux Falls during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
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