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 27.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22 °F by the end of September.
The climate of Michigan in September is notably wet, with an average of 12 rainy days.
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18
Dry days
12
Rainy days
0
Snow days
25°/16°
Temperatures
14 km/h
Avg max wind
68 %
Avg humidity
Michigan in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2 26° | 3  31° | 4  31° | 5  32° | 6  26° | 7 23° |
| 8 21° | 9 26° | 10 26° | 11 27° | 12  25° | 13  24° | 14 25° |
| 15 27° | 16 27° | 17 25° | 18 23° | 19 24° | 20 26° | 21 28° |
| 22 26° | 23 22° | 24 23° | 25  23° | 26 24° | 27 21° | 28  19° |
| 29 22° | 30 22° |
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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 | Mist | 25° /15° | 0.4 mm | 6 | |
| Sept. 2 | Mist | 26° /14° | 0 mm | 7 | |
| Sept. 3 | Overcast | 31° /17° | 0 mm | 7 | |
| Sept. 4 | Partly cloudy | 31° /18° | 0 mm | 8 | |
| Sept. 5 | Thundery outbreaks possible | 32° /20° | 0 mm | 7 | |
| Sept. 6 | Light rain shower | 26° /17° | 4.7 mm | 6 | |
| Sept. 7 | Light rain shower | 23° /15° | 2.1 mm | 5 | |
| Sept. 8 | Overcast | 21° /11° | 0 mm | 6 | |
| Sept. 9 | Partly cloudy | 26° /13° | 0 mm | 7 | |
| Sept. 10 | Overcast | 26° /16° | 0 mm | 7 | |
| Sept. 11 | Mist | 27° /15° | 0.7 mm | 6 | |
| Sept. 12 | Moderate or heavy rain shower | 25° /16° | 3.6 mm | 7 | |
| Sept. 13 | Cloudy | 24° /15° | 0 mm | 6 | |
| Sept. 14 | Cloudy | 25° /15° | 0 mm | 6 | |
| Sept. 15 | Cloudy | 27° /16° | 0 mm | 6 | |
| Sept. 16 | Mist | 27° /15° | 0.1 mm | 7 | |
| Sept. 17 | Overcast | 25° /15° | 0.9 mm | 6 | |
| Sept. 18 | Light rain shower | 23° /15° | 0.4 mm | 6 | |
| Sept. 19 | Mist | 24° /16° | 0 mm | 6 | |
| Sept. 20 | Thundery outbreaks possible | 26° /17° | 1.3 mm | 6 | |
| Sept. 21 | Cloudy | 28° /18° | 0 mm | 7 | |
| Sept. 22 | Thundery outbreaks possible | 26° /18° | 6.2 mm | 6 | |
| Sept. 23 | Mist | 22° /15° | 5.8 mm | 5 | |
| Sept. 24 | Cloudy | 23° /15° | 0 mm | 5 | |
| Sept. 25 | Light rain | 23° /17° | 1.3 mm | 5 | |
| Sept. 26 | Light rain shower | 24° /15° | 0.3 mm | 6 | |
| Sept. 27 | Light rain shower | 21° /14° | 1.2 mm | 5 | |
| Sept. 28 | Moderate or heavy rain with thunder | 19° /16° | 8.6 mm | 4 | |
| Sept. 29 | Fog | 22° /16° | 0.2 mm | 5 | |
| Sept. 30 | Mist | 22° /16° | 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 25° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Michigan during September?
In September, Michigan can expect light to moderate rainfall, totaling 43.4 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Michigan during September?
The average wind speed in Michigan during September is 14 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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