Fort Walton Beach (FL)
September
Weather in Fort Walton Beach, Florida for September 2025
Your guide to Fort Walton Beach weather in September - trends and predictions
So far, September 2025 in Fort Walton Beach is slightly warmer than the historical average by 1.5 °F.
The forecast for the upcoming days in Fort Walton Beach predicts a temperature of 31.4 °F, which is slightly above the historical average.
In general, the average temperature in Fort Walton Beach at the beginning of September is 30 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 30.4 °F by the end of September.
The climate of Fort Walton Beach in September is notably wet, with an average of 15 rainy days, and a total of 271.3 mm of precipitation.
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Temperatures
Rain 🌧️
More
15
Dry days
15
Rainy days
0
Snow days
29°/23°
Temperatures
19 km/h
Avg max wind
79 %
Avg humidity
Fort Walton Beach Weather September
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Temperatures trend during September in Fort Walton Beach
See the weather trend as well as the moving average line
September weather in Fort Walton Beach day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 30° /23° | 0.3 mm | 7 | |
| Sept. 2 | Patchy rain possible | 31° /23° | 0.4 mm | 7 | |
| Sept. 3 | Patchy rain possible | 32° /24° | 1 mm | 8 | |
| Sept. 4 | Patchy rain possible | 32° /23° | 0.1 mm | 8 | |
| Sept. 5 | Light rain shower | 29° /23° | 4.2 mm | 7 | |
| Sept. 6 |  Moderate or heavy rain shower | 28° /24° | 35.8 mm | 6 | |
| Sept. 7 | Light rain shower | 28° /23° | 18.5 mm | 6 | |
| Sept. 8 | Light rain shower | 29° /20° | 5.7 mm | 7 | |
| Sept. 9 | Light rain shower | 28° /23° | 6.2 mm | 6 | |
| Sept. 10 | Light rain shower | 30° /22° | 1.7 mm | 7 | |
| Sept. 11 | Moderate or heavy rain shower | 28° /22° | 20.6 mm | 7 | |
| Sept. 12 | Moderate or heavy rain shower | 30° /23° | 15.8 mm | 7 | |
| Sept. 13 | Light rain shower | 31° /24° | 2.4 mm | 7 | |
| Sept. 14 |  Sunny | 31° /22° | 0 mm | 8 | |
| Sept. 15 | Sunny | 33° /21° | 0 mm | 1.8 | |
| Sept. 16 | Sunny | 33° /22° | 0 mm | 2 | |
| Sept. 17 | Sunny | 33° /22° | 0 mm | 1.9 | |
| Sept. 18 | Sunny | 30° /23° | 0 mm | 1.9 | |
| Sept. 19 | Sunny | 33° /23° | 0 mm | 0 | |
| Sept. 20 | Sunny | 31° /24° | 0 mm | 7 | |
| Sept. 21 | Sunny | 31° /24° | 0 mm | 7 | |
| Sept. 22 | Patchy rain possible | 30° /22° | 0.6 mm | 6 | |
| Sept. 23 | Patchy rain possible | 29° /23° | 2.5 mm | 6 | |
| Sept. 24 | Patchy rain possible | 30° /25° | 0.5 mm | 6 | |
| Sept. 25 | Patchy rain possible | 30° /25° | 1.6 mm | 6 | |
| Sept. 26 | Patchy rain possible | 32° /22° | 0.1 mm | 6 | |
| Sept. 27 | Sunny | 31° /21° | 0 mm | 7 | |
| Sept. 28 | Sunny | 33° /23° | 0 mm | 7 | |
| Sept. 29 |  Cloudy | 29° /26° | 0 mm | 6 | |
| Sept. 30 |  Overcast | 28° /25° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Fort Walton Beach 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 Fort Walton Beach forecast closer to your planned date for the most up-to-date weather information.
Change Month
Fort Walton Beach in September - FAQ
What are the expected maximum and minimum temperatures in Fort Walton Beach during September?
During September, expect a variety of temperatures with highs around 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fort Walton Beach during September?
Significant rainfall exceeding 271.3 mm is expected in Fort Walton Beach during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Fort Walton Beach during September?
The average wind speed in Fort Walton Beach during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Fort Walton Beach
Explore the daily rainfall trends and prepare for Fort Walton Beachs September weather 💧
UV exposure in Fort Walton Beach during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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