Michigan (Detroit)
September
Weather in Michigan for September 2025
Your guide to Michigan weather in September - trends and predictions
In general, the average temperature in Michigan 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 Michigan 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
Michigan 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 Michigan
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 Michigan 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 Michigan forecast closer to your planned date for the most up-to-date weather information.
Michigan in September - FAQ
What are the expected maximum and minimum temperatures in Michigan 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 Michigan during September?
Moderate rainfall is anticipated in Michigan 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 Michigan during September?
The average wind speed in Michigan during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Michigan
Explore the daily rainfall trends and prepare for Michigans September weather 💧
UV exposure in Michigan during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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