Michigan (Detroit)
September
Weather in Michigan for September 2026
Your guide to Michigan weather in September - trends and predictions
Until now, September 2026 in Michigan is slightly cooler than the historical average by 0.6 °F.
Expect cooler weather in the next days in Michigan with the forecast suggesting a temperature of 19.7 °F, lower than the historical average.
In general, the average temperature in Michigan at the beginning of September is 27.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.6 °F by the end of September.
Michigan experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 69.1 mm.
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Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
24°/16°
Temperatures
16 km/h
Avg max wind
65 %
Avg humidity
Michigan Weather September
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What’s the Weather Like in Michigan This September?
Discover the average temperatures and weather trends across Michigan’s cities this September.
Temperatures trend during September in Michigan
See the weather trend as well as the moving average line
September weather in Michigan day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 28° /16° | 0.1 mm | 6 | |
| Sept. 2 | Sunny | 29° /16° | 2.5 mm | 7 | |
| Sept. 3 | Sunny | 30° /18° | 33.9 mm | 7 | |
| Sept. 4 |  Overcast | 27° /17° | 18 mm | 6 | |
| Sept. 5 | Sunny | 27° /17° | 1.1 mm | 6 | |
| Sept. 6 | Sunny | 25° /15° | 1.6 mm | 6 | |
| Sept. 7 |  Cloudy | 25° /14° | 1.4 mm | 6 | |
| Sept. 8 | Sunny | 25° /13° | 0.4 mm | 6 | |
| Sept. 9 | Sunny | 25° /15° | 5 mm | 5 | |
| Sept. 10 | Overcast | 26° /16° | 0 mm | 6 | |
| Sept. 11 | Sunny | 27° /16° | 0.8 mm | 6 | |
| Sept. 12 |  Partly cloudy | 26° /17° | 2.5 mm | 6 | |
| Sept. 13 |  Patchy rain possible | 25° /15° | 0.6 mm | 6 | |
| Sept. 14 | Cloudy | 27° /15° | 0.8 mm | 6 | |
| Sept. 15 | Patchy rain possible | 26° /16° | 0.1 mm | 5 | |
| Sept. 16 | Patchy rain possible | 27° /15° | 0.4 mm | 6 | |
| Sept. 17 | Patchy rain possible | 27° /16° | 1.5 mm | 6 | |
| Sept. 18 | Partly cloudy | 26° /16° | 0.2 mm | 6 | |
| Sept. 19 |  Mist | 23° /16° | 1.9 mm | 5 | |
| Sept. 20 | Partly cloudy | 25° /16° | 2.1 mm | 6 | |
| Sept. 21 |  Moderate or heavy rain shower | 26° /17° | 13.4 mm | 5 | |
| Sept. 22 | Moderate or heavy rain shower | 23° /14° | 11.7 mm | 5 | |
| Sept. 23 | Overcast | 20° /13° | 3.5 mm | 4 | |
| Sept. 24 | Sunny | 20° /14° | 0 mm | 5.1 | |
| Sept. 25 | Overcast | 20° /13° | 0 mm | 4.8 | |
| Sept. 26 | Sunny | 22° /13° | 0 mm | 5 | |
| Sept. 27 | Sunny | 23° /14° | 0 mm | 5.2 | |
| Sept. 28 | Sunny | 24° /14° | 0 mm | 6 | |
| Sept. 29 | Sunny | 23° /15° | 0 mm | 6 | |
| Sept. 30 | Patchy rain possible | 19° /12° | 13.6 mm | 4 | |
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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.
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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 69.1 mm spread over approximately 8 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 💧
Typically, Michigan has 8 rainy days in September with a total of 69.1 mm of rainfall.
UV exposure in Michigan during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Counties in Michigan
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Top locations in Michigan
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