Jacksonville
September
Weather in Jacksonville for September 2025
Your guide to Jacksonville weather in September - trends and predictions
In general, the average temperature in Jacksonville at the beginning of September is 31.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.6 °F by the end of September.
Expect significant rainfall in Jacksonville during September, with an average of 17 rainy days.
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13
Dry days
17
Rainy days
0
Snow days
32°/23°
Temperatures
15 km/h
Avg max wind
67 %
Avg humidity
Jacksonville in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  32° | 3 31° | 4  31° | 5  32° | 6 34° | 7 32° |
| 8  31° | 9 30° | 10 31° | 11 30° | 12 32° | 13 32° | 14  31° |
| 15 29° | 16 31° | 17 32° | 18  32° | 19 29° | 20 30° | 21 29° |
| 22  31° | 23  33° | 24 34° | 25 33° | 26  29° | 27 29° | 28 29° |
| 29 30° | 30 30° |
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Temperatures trend during September in Jacksonville
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Moderate or heavy rain shower | 31° /25° | 4.1 mm | 7 | |
| Sept. 2 | Cloudy | 32° /24° | 0.1 mm | 7 | |
| Sept. 3 | Cloudy | 31° /23° | 2.5 mm | 7 | |
| Sept. 4 | Partly cloudy | 31° /23° | 4.1 mm | 7 | |
| Sept. 5 | Overcast | 32° /23° | 9.5 mm | 7 | |
| Sept. 6 | Partly cloudy | 34° /23° | 23.4 mm | 8 | |
| Sept. 7 | Cloudy | 32° /23° | 2.7 mm | 7 | |
| Sept. 8 | Thundery outbreaks possible | 31° /21° | 2.9 mm | 7 | |
| Sept. 9 | Thundery outbreaks possible | 30° /22° | 6.5 mm | 7 | |
| Sept. 10 | Overcast | 31° /23° | 7.8 mm | 7 | |
| Sept. 11 | Thundery outbreaks possible | 30° /23° | 39 mm | 7 | |
| Sept. 12 | Thundery outbreaks possible | 32° /23° | 1 mm | 7 | |
| Sept. 13 | Moderate or heavy rain shower | 32° /23° | 9.2 mm | 7 | |
| Sept. 14 | Light rain shower | 31° /24° | 4.5 mm | 7 | |
| Sept. 15 | Moderate or heavy rain shower | 29° /23° | 12.3 mm | 7 | |
| Sept. 16 | Moderate or heavy rain shower | 31° /23° | 10.3 mm | 7 | |
| Sept. 17 | Light rain shower | 32° /23° | 7.5 mm | 7 | |
| Sept. 18 | Fog | 32° /23° | 3.3 mm | 7 | |
| Sept. 19 | Cloudy | 29° /22° | 3 mm | 7 | |
| Sept. 20 | Light rain shower | 30° /22° | 3.8 mm | 7 | |
| Sept. 21 | Moderate or heavy rain shower | 29° /22° | 10.7 mm | 6 | |
| Sept. 22 | Light rain | 31° /21° | 3.4 mm | 7 | |
| Sept. 23 | Sunny | 33° /20° | 0 mm | 8 | |
| Sept. 24 | Partly cloudy | 34° /21° | 0 mm | 8 | |
| Sept. 25 | Overcast | 33° /23° | 0 mm | 8 | |
| Sept. 26 | Torrential rain shower | 29° /23° | 48.3 mm | 6 | |
| Sept. 27 | Moderate or heavy rain shower | 29° /25° | 14.6 mm | 7 | |
| Sept. 28 | Torrential rain shower | 29° /22° | 53.5 mm | 6 | |
| Sept. 29 | Moderate or heavy rain shower | 30° /23° | 9.4 mm | 7 | |
| Sept. 30 | Mist | 30° /23° | 10.6 mm | 7 | |
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Important Notice
Our weather forecast for Jacksonville 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 Jacksonville forecast closer to your planned date for the most up-to-date weather information.
Jacksonville in September - FAQ
What are the expected maximum and minimum temperatures in Jacksonville during September?
During September, expect a variety of temperatures with highs around 32° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jacksonville during September?
Significant rainfall exceeding 332.9 mm is expected in Jacksonville during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jacksonville during September?
The average wind speed in Jacksonville during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Jacksonville
Explore the daily rainfall trends and prepare for Jacksonvilles September weather 💧
UV exposure in Jacksonville during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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