Flint (MI)
September
Weather in Flint, Michigan for September 2026
Your guide to Flint weather in September - trends and predictions
In general, the average temperature in Flint at the beginning of September is 21.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 22.1 °C by the end of September.
Flint experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 92.3 mm.
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Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
24°/13°
Temperatures
18 km/h
Avg max wind
72 %
Avg humidity
Flint Weather September
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Temperatures trend during September in Flint
See the weather trend as well as the moving average line
September weather in Flint day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 25° /12° | 0.1 mm | 6 | |
| Sept. 2 |  Sunny | 22° /10° | 0 mm | 6 | |
| Sept. 3 | Sunny | 24° /11° | 1.9 mm | 6 | |
| Sept. 4 | Sunny | 22° /10° | 21.2 mm | 6 | |
| Sept. 5 | Patchy rain possible | 24° /10° | 0 mm | 6 | |
| Sept. 6 | Light rain shower | 18° /9° | 7 mm | 4 | |
| Sept. 7 |  Overcast | 18° /8° | 0 mm | 4 | |
| Sept. 8 | Sunny | 21° /5° | 0 mm | 6 | |
| Sept. 9 |  Partly cloudy | 25° /11° | 0 mm | 7 | |
| Sept. 10 | Sunny | 24° /12° | 0 mm | 6 | |
| Sept. 11 | Partly cloudy | 28° /14° | 0 mm | 8 | |
| Sept. 12 | Sunny | 29° /13° | 0 mm | 7 | |
| Sept. 13 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 14 | Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 15 | Sunny | 28° /14° | 0 mm | 7 | |
| Sept. 16 | Sunny | 27° /13° | 0 mm | 7 | |
| Sept. 17 | Sunny | 27° /14° | 0 mm | 7 | |
| Sept. 18 |  Mist | 27° /14° | 0 mm | 6 | |
| Sept. 19 | Fog | 22° /12° | 0 mm | 5 | |
| Sept. 20 |  Moderate rain at times | 24° /12° | 1.9 mm | 5 | |
| Sept. 21 | Fog | 24° /15° | 42.5 mm | 6 | |
| Sept. 22 | Overcast | 24° /17° | 8.8 mm | 5 | |
| Sept. 23 | Overcast | 22° /16° | 0 mm | 5 | |
| Sept. 24 | Overcast | 20° /15° | 4.8 mm | 5 | |
| Sept. 25 | Mist | 23° /15° | 4 mm | 6 | |
| Sept. 26 | Mist | 23° /10° | 0 mm | 6 | |
| Sept. 27 | Mist | 24° /11° | 0 mm | 6 | |
| Sept. 28 | Overcast | 22° /15° | 0 mm | 5 | |
| Sept. 29 | Fog | 21° /13° | 0 mm | 5 | |
| Sept. 30 | Overcast | 22° /13° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Flint 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 Flint forecast closer to your planned date for the most up-to-date weather information.
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Flint in September - FAQ
What are the expected maximum and minimum temperatures in Flint during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Flint during September?
Moderate rainfall is anticipated in Flint during September, with a total of 92.3 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Flint during September?
The average wind speed in Flint during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Flint
Explore the daily rainfall trends and prepare for Flints September weather 💧
Typically, Flint has 8 rainy days in September with a total of 92.3 mm of rainfall.
UV exposure in Flint during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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