Fort Walton Beach (FL)
September
Weather in Fort Walton Beach, Florida for September 2026
Your guide to Fort Walton Beach weather in September - trends and predictions
So far, September 2026 in Fort Walton Beach is slightly warmer than the historical average by 1 °F.
Expect cooler weather in the next days in Fort Walton Beach with the forecast suggesting a temperature of 29.3 °F, lower than the historical average.
In general, the average temperature in Fort Walton Beach at the beginning of September is 31 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 30.7 °F by the end of September.
Fort Walton Beach in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 172.7 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
12
Dry days
18
Rainy days
0
Snow days
30°/23°
Temperatures
18 km/h
Avg max wind
73 %
Avg humidity
Fort Walton Beach Weather September
Move between months or click on a day
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
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 31° /23° | 0.2 mm | 8 | |
| Sept. 2 | Patchy rain possible | 32° /23° | 0.3 mm | 8 | |
| Sept. 3 | Patchy rain possible | 32° /24° | 0.7 mm | 8 | |
| Sept. 4 | Patchy rain possible | 32° /24° | 0.6 mm | 7 | |
| Sept. 5 | Light rain shower | 30° /23° | 3 mm | 7 | |
| Sept. 6 |  Moderate or heavy rain shower | 30° /24° | 26.4 mm | 8 | |
| Sept. 7 | Light rain shower | 30° /23° | 13 mm | 8 | |
| Sept. 8 | Light rain shower | 30° /21° | 5.7 mm | 8 | |
| Sept. 9 | Light rain shower | 30° /23° | 4.2 mm | 7 | |
| Sept. 10 | Light rain shower | 30° /23° | 44.1 mm | 5 | |
| Sept. 11 | Moderate or heavy rain shower | 28° /22° | 419.4 mm | 5 | |
| Sept. 12 | Moderate or heavy rain shower | 30° /23° | 141.4 mm | 6 | |
| Sept. 13 | Light rain shower | 32° /24° | 2.8 mm | 7 | |
| Sept. 14 |  Sunny | 32° /23° | 1 mm | 7 | |
| Sept. 15 | Light rain shower | 32° /23° | 3.6 mm | 8 | |
| Sept. 16 | Light rain shower | 31° /22° | 8.1 mm | 7 | |
| Sept. 17 | Moderate or heavy rain shower | 31° /22° | 8.3 mm | 8 | |
| Sept. 18 |  Partly cloudy | 33° /22° | 0 mm | 8 | |
| Sept. 19 |  Fog | 33° /23° | 2.2 mm | 8 | |
| Sept. 20 | Mist | 32° /23° | 2.4 mm | 7 | |
| Sept. 21 | Partly cloudy | 32° /24° | 2.6 mm | 7 | |
| Sept. 22 | Mist | 31° /22° | 1.2 mm | 5 | |
| Sept. 23 | Mist | 32° /23° | 0.8 mm | 8 | |
| Sept. 24 | Sunny | 31° /23° | 0.6 mm | 7 | |
| Sept. 25 | Moderate or heavy rain shower | 30° /25° | 9.2 mm | 7 | |
| Sept. 26 |  Overcast | 30° /19° | 0 mm | 8.2 | |
| Sept. 27 | Sunny | 31° /21° | 0 mm | 7.7 | |
| Sept. 28 | Sunny | 31° /19° | 0 mm | 7.8 | |
| Sept. 29 | Sunny | 32° /20° | 0 mm | 7.9 | |
| Sept. 30 | Sunny | 30° /23° | 0 mm | 8 | |
| Next | |||||
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 30° 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 172.7 mm is expected in Fort Walton Beach during September, occurring over more than 18 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 18 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 💧
Typically, Fort Walton Beach has 18 rainy days in September with a total of 172.7 mm of rainfall.
UV exposure in Fort Walton Beach during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Fort Walton Beach weather pages
You are here
Where is Fort Walton Beach?Get accurate weather forecasts for Fort Walton Beach, located at latitude 30.421 and longitude -86.617. Stay updated with localized weather information tailored for Fort Walton Beach.
Found a mistake?
We appreciate your attention to details. Tell us here.