Weather in Calhoun County, Michigan for September 2026
Until now, September 2026 in Calhoun County has been nearly identical to the historical average, with a temperature of 25.4 °F (showing only a slight deviation of 0.2 °F).
Expect cooler weather in the next days in Calhoun County with the forecast suggesting a temperature of 18.8 °F, lower than the historical average.
In general, the average temperature in Calhoun County at the beginning of September is 25.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °F by the end of September.
Calhoun County experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 118 mm.
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Calhoun County Weather September
Temperatures trend during September in Calhoun County
September weather in Calhoun County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 29° /15° | 0 mm | 6 | |
| Sept. 2 | Sunny | 27° /14° | 0 mm | 6 | |
| Sept. 3 | Sunny | 28° /15° | 6.1 mm | 6 | |
| Sept. 4 | Sunny | 25° /12° | 48.9 mm | 5 | |
| Sept. 5 |  Overcast | 24° /13° | 0.2 mm | 5 | |
| Sept. 6 |  Patchy rain possible | 21° /10° | 2.6 mm | 5 | |
| Sept. 7 |  Partly cloudy | 22° /9° | 0 mm | 5 | |
| Sept. 8 | Sunny | 23° /6° | 0 mm | 4 | |
| Sept. 9 | Sunny | 25° /12° | 11.2 mm | 4 | |
| Sept. 10 | Overcast | 26° /13° | 0.1 mm | 5 | |
| Sept. 11 | Sunny | 28° /12° | 0 mm | 7 | |
| Sept. 12 | Sunny | 30° /14° | 0.1 mm | 7 | |
| Sept. 13 | Partly cloudy | 26° /14° | 7.8 mm | 6 | |
| Sept. 14 | Sunny | 28° /13° | 0 mm | 7 | |
| Sept. 15 | Sunny | 29° /14° | 5.9 mm | 5 | |
| Sept. 16 | Sunny | 26° /15° | 0.6 mm | 5 | |
| Sept. 17 | Sunny | 26° /15° | 2.6 mm | 5 | |
| Sept. 18 | Overcast | 27° /14° | 0 mm | 6 | |
| Sept. 19 | Overcast | 25° /13° | 8.8 mm | 4 | |
| Sept. 20 |  Moderate or heavy rain shower | 24° /14° | 10.4 mm | 4 | |
| Sept. 21 | Overcast | 22° /13° | 22.5 mm | 4 | |
| Sept. 22 | Moderate or heavy rain shower | 22° /13° | 9.6 mm | 4 | |
| Sept. 23 | Overcast | 25° /15° | 0 mm | 6 | |
| Sept. 24 | Sunny | 20° /11° | 0 mm | 5 | |
| Sept. 25 | Overcast | 20° /10° | 0 mm | 4.1 | |
| Sept. 26 | Sunny | 21° /9° | 0 mm | 5.3 | |
| Sept. 27 | Sunny | 22° /11° | 0 mm | 5.1 | |
| Sept. 28 | Sunny | 22° /12° | 0 mm | 6 | |
| Sept. 29 | Overcast | 22° /13° | 0 mm | 6 | |
| Sept. 30 | Patchy rain possible | 17° /10° | 19.1 mm | 4 | |
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Calhoun County in September - FAQ
What are the expected maximum and minimum temperatures in Calhoun County during September?
How much rainfall should be expected in Calhoun County during September?
What are the typical wind conditions in Calhoun County during September?
September rainfall patterns in Calhoun County
UV exposure in Calhoun County during September
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Where is Calhoun County?Get accurate weather forecasts for Calhoun County, located at latitude 42.317 and longitude -85.178. Stay updated with localized weather information tailored for Calhoun County.