Detroit
September
Weather in Detroit for September 2025
Your guide to Detroit weather in September - trends and predictions
In general, the average temperature in Detroit at the beginning of September is 27.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.7 °F by the end of September.
The climate of Detroit in September is notably wet, with an average of 15 rainy days, and a total of 53.8 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
24°/16°
Temperatures
16 km/h
Avg max wind
63 %
Avg humidity
Detroit in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  27° | 3 29° | 4  28° | 5 29° | 6 27° | 7 26° |
| 8 24° | 9 26° | 10 26° | 11 27° | 12 26° | 13  24° | 14 27° |
| 15 26° | 16 27° | 17 27° | 18 26° | 19  25° | 20 26° | 21  28° |
| 22 23° | 23 19° | 24 22° | 25  21° | 26 22° | 27 20° | 28 18° |
| 29 21° | 30 21° |
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Temperatures trend during September in Detroit
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 | 27° /15° | 0.2 mm | 6 | |
| Sept. 2 | Sunny | 27° /16° | 0 mm | 7 | |
| Sept. 3 | Sunny | 29° /18° | 0 mm | 7 | |
| Sept. 4 | Overcast | 28° /18° | 2.1 mm | 7 | |
| Sept. 5 | Overcast | 29° /19° | 1.7 mm | 6 | |
| Sept. 6 | Sunny | 27° /17° | 2.4 mm | 6 | |
| Sept. 7 | Partly cloudy | 26° /15° | 2.1 mm | 6 | |
| Sept. 8 | Sunny | 24° /14° | 0.6 mm | 6 | |
| Sept. 9 | Partly cloudy | 26° /15° | 0.1 mm | 6 | |
| Sept. 10 | Sunny | 26° /16° | 0 mm | 6 | |
| Sept. 11 | Sunny | 27° /16° | 1.2 mm | 6 | |
| Sept. 12 | Partly cloudy | 26° /17° | 3.1 mm | 7 | |
| Sept. 13 | Patchy rain possible | 24° /15° | 0.9 mm | 6 | |
| Sept. 14 | Partly cloudy | 27° /16° | 1.1 mm | 7 | |
| Sept. 15 | Sunny | 26° /16° | 0.1 mm | 6 | |
| Sept. 16 | Sunny | 27° /15° | 0.1 mm | 7 | |
| Sept. 17 | Patchy rain possible | 27° /17° | 0.5 mm | 6 | |
| Sept. 18 | Partly cloudy | 26° /17° | 0.3 mm | 6 | |
| Sept. 19 | Mist | 25° /17° | 1.2 mm | 6 | |
| Sept. 20 | Patchy rain possible | 26° /17° | 1.1 mm | 6 | |
| Sept. 21 | Moderate or heavy rain shower | 28° /19° | 7.1 mm | 6 | |
| Sept. 22 | Moderate or heavy rain shower | 23° /14° | 13.9 mm | 6 | |
| Sept. 23 | Patchy rain possible | 19° /12° | 4.7 mm | 5 | |
| Sept. 24 | Partly cloudy | 22° /13° | 0.4 mm | 5 | |
| Sept. 25 | Heavy rain at times | 21° /15° | 2.9 mm | 5 | |
| Sept. 26 | Partly cloudy | 22° /13° | 0.7 mm | 6 | |
| Sept. 27 | Partly cloudy | 20° /13° | 0.8 mm | 5 | |
| Sept. 28 | Sunny | 18° /14° | 4.3 mm | 5 | |
| Sept. 29 | Sunny | 21° /13° | 0.1 mm | 5 | |
| Sept. 30 | Sunny | 21° /14° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Detroit 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 Detroit forecast closer to your planned date for the most up-to-date weather information.
Detroit in September - FAQ
What are the expected maximum and minimum temperatures in Detroit during September?
During September, expect a variety of temperatures with highs around 24° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Detroit during September?
Moderate rainfall is anticipated in Detroit during September, with a total of 53.8 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Detroit during September?
The average wind speed in Detroit during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Detroit
Explore the daily rainfall trends and prepare for Detroits September weather 💧
UV exposure in Detroit during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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