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Weather in Genesee County, Michigan for September 2025

Your guide to Genesee County weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Genesee County is slightly cooler than the historical average by -0.8 °F.

  • The forecast for the upcoming days in Genesee County predicts a temperature of 27.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Genesee County at the beginning of September is 21.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.7 °F by the end of September.

  • Rain 🌧️

  • With an average of 3 rainy days, Genesee County experiences minimal rainfall in September.

  • More

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Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/13°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Genesee County Weather September

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Temperatures trend during September in Genesee County

See the weather trend as well as the moving average line

September weather in Genesee County day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Patchy rain possible
Patchy rain possible
25° /12° 0.1 mm 6
Sept. 2 Sunny
Sunny
22° /10° 0 mm 6
Sept. 3 Sunny
Sunny
24° /11° 1.9 mm 6
Sept. 4 Sunny
Sunny
22° /10° 21.2 mm 6
Sept. 5 Patchy rain possible
Patchy rain possible
24° /10° 0 mm 6
Sept. 6 Light rain shower
Light rain shower
18° /9° 7 mm 4
Sept. 7 Overcast
Overcast
18° /8° 0 mm 4
Sept. 8 Sunny
Sunny
21° /5° 0 mm 6
Sept. 9 Partly cloudy
Partly cloudy
25° /11° 0 mm 7
Sept. 10 Sunny
Sunny
24° /12° 0 mm 6
Sept. 11 Partly cloudy
Partly cloudy
28° /14° 0 mm 8
Sept. 12 Sunny
Sunny
29° /13° 0 mm 7
Sept. 13 Sunny
Sunny
27° /15° 0 mm 7
Sept. 14 Sunny
Sunny
28° /15° 0 mm 7
Sept. 15 Sunny
Sunny
30° /17° 0 mm 8
Sept. 16 Mist
Mist
28° /14° 0 mm 1.4
Sept. 17 Sunny
Sunny
28° /16° 0 mm 1.4
Sept. 18 Sunny
Sunny
31° /16° 0 mm 1.4
Sept. 19 Sunny
Sunny
29° /14° 0 mm 1.4
Sept. 20 Partly cloudy
Partly cloudy
28° /12° 0 mm 0
Sept. 21 Patchy rain possible
Patchy rain possible
25° /17° 0.6 mm 5
Sept. 22 Partly cloudy
Partly cloudy
33° /19° 0.1 mm 7
Sept. 23 Patchy rain possible
Patchy rain possible
23° /17° 1.3 mm 5
Sept. 24 Sunny
Sunny
30° /15° 0 mm 6
Sept. 25 Sunny
Sunny
25° /11° 0 mm 5
Sept. 26 Sunny
Sunny
21° /8° 0 mm 4
Sept. 27 Sunny
Sunny
24° /7° 0 mm 4
Sept. 28 Sunny
Sunny
29° /11° 0 mm 5
Sept. 29 Sunny
Sunny
32° /14° 0 mm 6
Sept. 30 Overcast
Overcast
19° /16° 0 mm 4
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Important Notice
Our weather forecast for Genesee County 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 Genesee County forecast closer to your planned date for the most up-to-date weather information.

Genesee County in September - FAQ

What are the expected maximum and minimum temperatures in Genesee County 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 Genesee County during September?
In September, Genesee County can expect light to moderate rainfall, totaling 23.5 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Genesee County during September?
The average wind speed in Genesee County during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Genesee County

Explore the daily rainfall trends and prepare for Genesee Countys September weather 💧

UV exposure in Genesee County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates 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.

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