North Dakota (Fargo)
September
Weather in North Dakota for September 2026
Your guide to North Dakota weather in September - trends and predictions
Until now, September 2026 in North Dakota has been nearly identical to the historical average, with a temperature of 26.1 °F (showing only a slight deviation of 0 °F).
The forecast for the next days in North Dakota predicts temperatures to be around 20 °F, close to the historical average.
In general, the average temperature in North Dakota at the beginning of September is 24.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °F by the end of September.
North Dakota experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 79.9 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
25°/14°
Temperatures
23 km/h
Avg max wind
64 %
Avg humidity
North Dakota Weather September
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What’s the Weather Like in North Dakota This September?
Discover the average temperatures and weather trends across North Dakota’s cities this September.
Temperatures trend during September in North Dakota
See the weather trend as well as the moving average line
September weather in North Dakota day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 26° /11° | 0 mm | 5 | |
| Sept. 2 |  Sunny | 26° /13° | 4.2 mm | 6 | |
| Sept. 3 | Sunny | 27° /14° | 11.8 mm | 5 | |
| Sept. 4 |  Moderate rain at times | 23° /12° | 7.5 mm | 5 | |
| Sept. 5 |  Partly cloudy | 23° /13° | 0.1 mm | 5 | |
| Sept. 6 |  Patchy rain possible | 24° /11° | 0.2 mm | 5 | |
| Sept. 7 | Sunny | 24° /11° | 5.1 mm | 4 | |
| Sept. 8 | Sunny | 28° /13° | 0 mm | 6 | |
| Sept. 9 | Sunny | 28° /15° | 0.4 mm | 7 | |
| Sept. 10 | Partly cloudy | 31° /14° | 0 mm | 6 | |
| Sept. 11 | Overcast | 27° /15° | 0 mm | 5 | |
| Sept. 12 | Sunny | 25° /15° | 4.2 mm | 6 | |
| Sept. 13 | Partly cloudy | 25° /16° | 2.2 mm | 6 | |
| Sept. 14 | Sunny | 26° /17° | 7.7 mm | 5 | |
| Sept. 15 |  Cloudy | 28° /16° | 0 mm | 7 | |
| Sept. 16 | Moderate or heavy rain shower | 27° /14° | 5.8 mm | 5 | |
| Sept. 17 | Overcast | 26° /15° | 6.1 mm | 5 | |
| Sept. 18 | Moderate or heavy rain shower | 24° /17° | 19.3 mm | 4 | |
| Sept. 19 | Overcast | 21° /13° | 0 mm | 3.5 | |
| Sept. 20 | Overcast | 21° /12° | 0 mm | 3.1 | |
| Sept. 21 | Overcast | 19° /9° | 0 mm | 3.5 | |
| Sept. 22 | Overcast | 19° /9° | 0 mm | 5 | |
| Sept. 23 | Overcast | 21° /10° | 0.2 mm | 6 | |
| Sept. 24 | Sunny | 25° /14° | 0 mm | 6 | |
| Sept. 25 | Sunny | 26° /16° | 0 mm | 7 | |
| Sept. 26 | Overcast | 20° /15° | 0.6 mm | 5 | |
| Sept. 27 | Overcast | 17° /9° | 21.2 mm | 3 | |
| Sept. 28 | Sunny | 18° /9° | 0.5 mm | 5 | |
| Sept. 29 | Sunny | 19° /9° | 0 mm | 5 | |
| Sept. 30 | Sunny | 19° /8° | 0 mm | 5 | |
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Important Notice
Our weather forecast for North Dakota 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 North Dakota forecast closer to your planned date for the most up-to-date weather information.
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North Dakota in September - FAQ
What are the expected maximum and minimum temperatures in North Dakota during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in North Dakota during September?
Moderate rainfall is anticipated in North Dakota during September, with a total of 79.9 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in North Dakota during September?
The average wind speed in North Dakota during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in North Dakota
Explore the daily rainfall trends and prepare for North Dakotas September weather 💧
Typically, North Dakota has 9 rainy days in September with a total of 79.9 mm of rainfall.
UV exposure in North Dakota during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Counties in North Dakota
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Top locations in North Dakota
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