Weather in Sumter County, Florida for September 2025
Flood Warning - See hour by hour.
Until now, September 2025 in Sumter County has been nearly identical to the historical average, with a temperature of 31.1 °F (showing only a slight deviation of -0.1 °F).
The forecast for the next days in Sumter County predicts temperatures to be around 30 °F, close to the historical average.
In general, the average temperature in Sumter County at the beginning of September is 31.3 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 31 °F by the end of September.
Sumter County experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 283.6 mm.
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Sumter County Weather September
Temperatures trend during September in Sumter County
September weather in Sumter County day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
Sept. 1 | Moderate rain at times | 30° /23° | 87 mm | 7 | |
Sept. 2 | Moderate or heavy rain shower | 30° /23° | 23.9 mm | 7 | |
Sept. 3 | Moderate or heavy rain shower | 32° /23° | 12.2 mm | 7 | |
Sept. 4 | Moderate or heavy rain shower | 32° /24° | 10.1 mm | 7 | |
Sept. 5 | Moderate or heavy rain shower | 32° /24° | 3.3 mm | 7 | |
Sept. 6 | Moderate or heavy rain shower | 32° /23° | 8.9 mm | 7 | |
Sept. 7 | Moderate or heavy rain shower | 31° /24° | 4.6 mm | 7 | |
Sept. 8 | Moderate or heavy rain shower | 30° /23° | 24.4 mm | 6 | |
Sept. 9 | Heavy rain | 28° /24° | 34.9 mm | 0.8 | |
Sept. 10 | Patchy rain possible | 30° /23° | 4.6 mm | 2 | |
Sept. 11 | Heavy rain | 27° /23° | 70.4 mm | 1.6 | |
Sept. 12 | Patchy rain possible | 31° /22° | 2.6 mm | 2 | |
Sept. 13 | Patchy rain possible | 31° /22° | 0.3 mm | 0 | |
Sept. 14 | Sunny | 32° /22° | 0 mm | 7 | |
Sept. 15 | Patchy rain possible | 31° /22° | 0.5 mm | 6 | |
Sept. 16 | Partly cloudy | 30° /22° | 0 mm | 7 | |
Sept. 17 | Sunny | 31° /23° | 0 mm | 7 | |
Sept. 18 | Patchy rain possible | 29° /25° | 0.6 mm | 6 | |
Sept. 19 | Moderate rain | 23° /22° | 8.5 mm | 5 | |
Sept. 20 | Patchy rain possible | 31° /23° | 3 mm | 6 | |
Sept. 21 | Patchy rain possible | 33° /24° | 1 mm | 6 | |
Sept. 22 | Patchy rain possible | 33° /25° | 1.4 mm | 6 | |
Sept. 23 | Overcast | 32° /20° | 0 mm | 7 | |
Sept. 24 | Overcast | 33° /21° | 0 mm | 7 | |
Sept. 25 | Moderate rain at times | 31° /23° | 5.7 mm | 7 | |
Sept. 26 | Moderate or heavy rain shower | 29° /24° | 36.5 mm | 6 | |
Sept. 27 | Moderate or heavy rain shower | 31° /26° | 10.6 mm | 7 | |
Sept. 28 | Moderate or heavy rain shower | 31° /24° | 9.2 mm | 7 | |
Sept. 29 | Moderate or heavy rain shower | 29° /25° | 10.5 mm | 6 | |
Sept. 30 | Mist | 33° /24° | 0 mm | 7 | |
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Sumter County in September - FAQ
September rainfall patterns in Sumter County
UV exposure in Sumter County during September
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Get accurate weather forecasts for Sumter County, located at latitude 28.934 and longitude -81.96. Stay updated with localized weather information tailored for Sumter County.