Aberdeen (SD)
September
Weather in Aberdeen, South Dakota for September 2026
Your guide to Aberdeen weather in September - trends and predictions
In general, the average temperature in Aberdeen at the beginning of September is 19.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 26.3 °F by the end of September.
With an average of 3 rainy days, Aberdeen experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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27
Dry days
3
Rainy days
0
Snow days
24°/13°
Temperatures
22 km/h
Avg max wind
74 %
Avg humidity
Aberdeen Weather September
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Temperatures trend during September in Aberdeen
See the weather trend as well as the moving average line
September weather in Aberdeen day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Fog | 22° /16° | 0 mm | 4 | |
| Sept. 2 |  Thundery outbreaks possible | 29° /16° | 0 mm | 7 | |
| Sept. 3 |  Overcast | 18° /10° | 0 mm | 5 | |
| Sept. 4 | Overcast | 17° /5° | 0 mm | 5 | |
| Sept. 5 | Overcast | 14° /9° | 0 mm | 6 | |
| Sept. 6 | Overcast | 15° /6° | 0 mm | 6 | |
| Sept. 7 |  Sunny | 21° /6° | 0 mm | 6 | |
| Sept. 8 | Thundery outbreaks possible | 28° /12° | 0 mm | 6 | |
| Sept. 9 | Fog | 27° /16° | 0 mm | 6 | |
| Sept. 10 | Fog | 29° /14° | 0 mm | 6 | |
| Sept. 11 | Overcast | 27° /16° | 0 mm | 6 | |
| Sept. 12 |  Patchy light rain with thunder | 28° /18° | 20.8 mm | 3 | |
| Sept. 13 | Fog | 26° /20° | 0 mm | 3 | |
| Sept. 14 | Fog | 30° /19° | 0 mm | 3 | |
| Sept. 15 | Fog | 30° /15° | 0 mm | 6 | |
| Sept. 16 | Fog | 30° /15° | 0 mm | 5 | |
| Sept. 17 |  Moderate or heavy rain shower | 19° /16° | 23 mm | 1 | |
| Sept. 18 | Fog | 21° /16° | 6.8 mm | 1 | |
| Sept. 19 | Mist | 17° /15° | 0 mm | 1 | |
| Sept. 20 | Fog | 18° /15° | 0 mm | 2 | |
| Sept. 21 | Fog | 23° /13° | 0 mm | 4 | |
| Sept. 22 | Thundery outbreaks possible | 26° /12° | 0 mm | 5 | |
| Sept. 23 |  Partly cloudy | 26° /14° | 0 mm | 4 | |
| Sept. 24 | Fog | 24° /13° | 0 mm | 4 | |
| Sept. 25 | Mist | 28° /11° | 0 mm | 4 | |
| Sept. 26 | Mist | 28° /10° | 0 mm | 4 | |
| Sept. 27 | Sunny | 22° /9° | 0 mm | 4 | |
| Sept. 28 | Sunny | 25° /8° | 0 mm | 4 | |
| Sept. 29 | Overcast | 30° /16° | 0 mm | 4 | |
| Sept. 30 | Overcast | 27° /16° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Aberdeen 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 Aberdeen forecast closer to your planned date for the most up-to-date weather information.
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Aberdeen in September - FAQ
What are the expected maximum and minimum temperatures in Aberdeen during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Aberdeen during September?
Moderate rainfall is anticipated in Aberdeen during September, with a total of 50.6 mm spread over approximately 3 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Aberdeen during September?
The average wind speed in Aberdeen during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Aberdeen
Explore the daily rainfall trends and prepare for Aberdeens September weather 💧
Typically, Aberdeen has 3 rainy days in September with a total of 50.6 mm of rainfall.
UV exposure in Aberdeen during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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