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.
Jacksonville experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 308 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
4
Dry days
26
Rainy days
0
Snow days
31°/23°
Temperatures
16 km/h
Avg max wind
73 %
Avg humidity
Jacksonville in September average weather
Move between months or click on a day
| 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° |
You can click on date
Access Jacksonville weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Jacksonville
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| 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 | |
| Next | |||||
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 31° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jacksonville during September?
Significant rainfall exceeding 308 mm is expected in Jacksonville during September, occurring over more than 26 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 16 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 ☀️
Quick links
You are here
Where is Jacksonville?Get accurate weather forecasts for Jacksonville, located at latitude 30.332 and longitude -81.656. Stay updated with localized weather information tailored for Jacksonville.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.