Fort Myers (FL)
September
Weather in Fort Myers, Florida for September 2026
Your guide to Fort Myers weather in September - trends and predictions
Until now, September 2026 in Fort Myers has been nearly identical to the historical average, with a temperature of 31.8 °F (showing only a slight deviation of 0 °F).
The forecast for the upcoming days in Fort Myers predicts a temperature of 30.9 °F, which is slightly above the historical average.
In general, the average temperature in Fort Myers at the beginning of September is 31.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 31 °F by the end of September.
Fort Myers experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 406.9 mm.
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Temperatures
Rain 🌧️
More
6
Dry days
24
Rainy days
0
Snow days
31°/24°
Temperatures
18 km/h
Avg max wind
76 %
Avg humidity
Fort Myers Weather September
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Temperatures trend during September in Fort Myers
See the weather trend as well as the moving average line
September weather in Fort Myers day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 32° /24° | 13.5 mm | 7 | |
| Sept. 2 | Light rain shower | 30° /24° | 10.3 mm | 6 | |
| Sept. 3 | Light rain shower | 32° /24° | 149.8 mm | 6 | |
| Sept. 4 |  Moderate or heavy rain shower | 33° /25° | 17.2 mm | 8 | |
| Sept. 5 | Light rain shower | 31° /25° | 27.3 mm | 8 | |
| Sept. 6 | Patchy rain possible | 32° /24° | 24.5 mm | 8 | |
| Sept. 7 | Light rain shower | 32° /25° | 17.1 mm | 7 | |
| Sept. 8 | Light rain shower | 32° /24° | 8.1 mm | 6 | |
| Sept. 9 | Moderate or heavy rain shower | 31° /24° | 23.5 mm | 5 | |
| Sept. 10 | Moderate or heavy rain shower | 31° /24° | 26.7 mm | 6 | |
| Sept. 11 | Light rain shower | 32° /24° | 15 mm | 7 | |
| Sept. 12 | Patchy rain possible | 31° /24° | 18.6 mm | 6 | |
| Sept. 13 | Moderate or heavy rain shower | 31° /24° | 11.2 mm | 5 | |
| Sept. 14 | Patchy rain possible | 33° /24° | 1.9 mm | 6 | |
| Sept. 15 |  Patchy light drizzle | 32° /24° | 2.2 mm | 8 | |
| Sept. 16 |  Patchy light rain with thunder | 32° /24° | 51.2 mm | 7 | |
| Sept. 17 |  Overcast | 31° /24° | 0.4 mm | 7 | |
| Sept. 18 |  Thundery outbreaks possible | 32° /24° | 1.9 mm | 8 | |
| Sept. 19 | Light rain shower | 32° /23° | 6 mm | 8 | |
| Sept. 20 |  Mist | 32° /23° | 2.4 mm | 8 | |
| Sept. 21 | Fog | 32° /22° | 5.6 mm | 7 | |
| Sept. 22 | Moderate or heavy rain shower | 32° /23° | 7.4 mm | 6 | |
| Sept. 23 | Mist | 32° /23° | 5.4 mm | 5 | |
| Sept. 24 | Mist | 34° /23° | 13.7 mm | 6 | |
| Sept. 25 | Moderate or heavy rain shower | 32° /25° | 57.2 mm | 7 | |
| Sept. 26 |  Sunny | 30° /21° | 0 mm | 9 | |
| Sept. 27 | Overcast | 30° /21° | 0 mm | 8.6 | |
| Sept. 28 | Overcast | 30° /23° | 0 mm | 8.8 | |
| Sept. 29 | Overcast | 29° /23° | 2.2 mm | 5.4 | |
| Sept. 30 | Sunny | 32° /22° | 0.1 mm | 8 | |
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Important Notice
Our weather forecast for Fort Myers 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 Myers forecast closer to your planned date for the most up-to-date weather information.
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Fort Myers in September - FAQ
What are the expected maximum and minimum temperatures in Fort Myers during September?
During September, expect a variety of temperatures with highs around 31° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fort Myers during September?
Significant rainfall exceeding 406.9 mm is expected in Fort Myers during September, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Fort Myers during September?
The average wind speed in Fort Myers during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Fort Myers
Explore the daily rainfall trends and prepare for Fort Myerss September weather 💧
Typically, Fort Myers has 24 rainy days in September with a total of 406.9 mm of rainfall.
UV exposure in Fort Myers during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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