Weather in Gainesville, Florida for September 2025
Coastal Flood Advisory - See hour by hour.
Until now, September 2025 in Gainesville has been nearly identical to the historical average, with a temperature of 30.1 °F (showing only a slight deviation of 0.2 °F).
The forecast for the next days in Gainesville predicts temperatures to be around 31 °F, close to the historical average.
In general, the average temperature in Gainesville at the beginning of September is 31.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 28.4 °F by the end of September.
Gainesville experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 313.5 mm.
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Gainesville Weather September
Temperatures trend during September in Gainesville
September weather in Gainesville day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light drizzle | 31° /23° | 6.6 mm | 7 | |
| Sept. 2 |  Patchy rain possible | 31° /23° | 13.2 mm | 7 | |
| Sept. 3 |  Patchy light rain with thunder | 31° /23° | 4 mm | 7 | |
| Sept. 4 |  Moderate or heavy rain shower | 31° /23° | 8.2 mm | 7 | |
| Sept. 5 | Light rain shower | 34° /23° | 4 mm | 8 | |
| Sept. 6 | Light rain shower | 31° /22° | 10.1 mm | 7 | |
| Sept. 7 | Light rain shower | 32° /23° | 0.8 mm | 7 | |
| Sept. 8 | Light rain shower | 30° /23° | 19.2 mm | 7 | |
| Sept. 9 | Light rain shower | 25° /22° | 53.7 mm | 6 | |
| Sept. 10 | Light rain shower | 25° /21° | 44.8 mm | 6 | |
| Sept. 11 | Moderate or heavy rain shower | 30° /22° | 9.4 mm | 7 | |
| Sept. 12 | Light rain shower | 30° /21° | 1.5 mm | 7 | |
| Sept. 13 | Moderate or heavy rain shower | 27° /22° | 6.7 mm | 6 | |
| Sept. 14 | Light rain shower | 30° /22° | 3.9 mm | 7 | |
| Sept. 15 |  Sunny | 33° /18° | 0 mm | 2 | |
| Sept. 16 | Sunny | 33° /20° | 0 mm | 2 | |
| Sept. 17 |  Partly cloudy | 35° /21° | 0 mm | 1.8 | |
| Sept. 18 | Sunny | 36° /23° | 0 mm | 1.3 | |
| Sept. 19 | Sunny | 34° /21° | 0 mm | 0 | |
| Sept. 20 | Partly cloudy | 33° /21° | 0 mm | 7 | |
| Sept. 21 | Patchy rain possible | 30° /22° | 0.1 mm | 6 | |
| Sept. 22 | Patchy rain possible | 30° /22° | 2.4 mm | 6 | |
| Sept. 23 | Patchy rain possible | 27° /23° | 2.6 mm | 5 | |
| Sept. 24 | Partly cloudy | 32° /22° | 0 mm | 7 | |
| Sept. 25 | Patchy rain possible | 23° /22° | 4 mm | 5 | |
| Sept. 26 |  Moderate rain | 23° /22° | 16.1 mm | 5 | |
| Sept. 27 | Partly cloudy | 30° /21° | 0 mm | 6 | |
| Sept. 28 | Sunny | 31° /20° | 0 mm | 6 | |
| Sept. 29 | Moderate or heavy rain shower | 30° /25° | 59.3 mm | 7 | |
| Sept. 30 | Moderate or heavy rain shower | 30° /25° | 29.6 mm | 7 | |
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Gainesville in September - FAQ
September rainfall patterns in Gainesville
UV exposure in Gainesville during September
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Where is Gainesville?Get accurate weather forecasts for Gainesville, located at latitude 29.652 and longitude -82.325. Stay updated with localized weather information tailored for Gainesville.