Weather in Genesee County, Michigan for September 2026
Until now, September 2026 in Genesee County has been nearly identical to the historical average, with a temperature of 24.3 °F (showing only a slight deviation of 0.3 °F).
Expect cooler weather in the next days in Genesee County with the forecast suggesting a temperature of 19.6 °F, lower than the historical average.
In general, the average temperature in Genesee County at the beginning of September is 24.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.4 °F by the end of September.
Genesee County experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 92.3 mm.
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Genesee County Weather September
Temperatures trend during September in Genesee County
September weather in Genesee County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 29° /15° | 0 mm | 6 | |
| Sept. 2 |  Sunny | 27° /14° | 0 mm | 5 | |
| Sept. 3 | Sunny | 27° /14° | 34.9 mm | 6 | |
| Sept. 4 | Sunny | 24° /12° | 22 mm | 5 | |
| Sept. 5 | Patchy rain possible | 25° /12° | 0 mm | 6 | |
| Sept. 6 | Light rain shower | 21° /10° | 4.7 mm | 5 | |
| Sept. 7 |  Overcast | 21° /9° | 0 mm | 5 | |
| Sept. 8 | Sunny | 23° /7° | 0 mm | 4 | |
| Sept. 9 |  Partly cloudy | 25° /13° | 3.3 mm | 5 | |
| Sept. 10 | Overcast | 25° /14° | 0 mm | 5 | |
| Sept. 11 | Partly cloudy | 27° /12° | 0 mm | 7 | |
| Sept. 12 | Sunny | 29° /13° | 0.1 mm | 7 | |
| Sept. 13 | Sunny | 26° /14° | 0.1 mm | 6 | |
| Sept. 14 | Sunny | 25° /13° | 0 mm | 7 | |
| Sept. 15 | Sunny | 26° /14° | 4 mm | 5 | |
| Sept. 16 | Sunny | 26° /13° | 0 mm | 5 | |
| Sept. 17 | Sunny | 25° /14° | 1.3 mm | 5 | |
| Sept. 18 |  Mist | 25° /13° | 0 mm | 5 | |
| Sept. 19 | Fog | 20° /12° | 3.2 mm | 4 | |
| Sept. 20 |  Moderate rain at times | 22° /12° | 3.1 mm | 4 | |
| Sept. 21 | Fog | 22° /13° | 28.3 mm | 4 | |
| Sept. 22 | Overcast | 22° /14° | 5.9 mm | 4 | |
| Sept. 23 | Overcast | 22° /16° | 0 mm | 5 | |
| Sept. 24 | Sunny | 21° /10° | 0 mm | 5 | |
| Sept. 25 | Overcast | 20° /9° | 0 mm | 4.2 | |
| Sept. 26 | Sunny | 22° /8° | 0 mm | 5 | |
| Sept. 27 | Sunny | 23° /10° | 0 mm | 5.2 | |
| Sept. 28 | Sunny | 23° /10° | 0 mm | 6 | |
| Sept. 29 | Sunny | 23° /12° | 0 mm | 6 | |
| Sept. 30 | Overcast | 18° /11° | 13 mm | 4 | |
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Genesee County in September - FAQ
What are the expected maximum and minimum temperatures in Genesee County during September?
How much rainfall should be expected in Genesee County during September?
What are the typical wind conditions in Genesee County during September?
September rainfall patterns in Genesee County
UV exposure in Genesee County during September
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Where is Genesee County?Get accurate weather forecasts for Genesee County, located at latitude 43.013 and longitude -83.687. Stay updated with localized weather information tailored for Genesee County.