Palm Beach County (Boca Raton)
September
Weather in Palm Beach County, Florida for September 2026
Your guide to Palm Beach County weather in September - trends and predictions
Until now, September 2026 in Palm Beach County has been nearly identical to the historical average, with a temperature of 30 °F (showing only a slight deviation of 0.2 °F).
The forecast for the next days in Palm Beach County predicts temperatures to be around 29 °F, close to the historical average.
In general, the average temperature in Palm Beach County at the beginning of September is 30.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.3 °F by the end of September.
Palm Beach County experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 432.6 mm.
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Temperatures
Rain 🌧️
More
2
Dry days
28
Rainy days
0
Snow days
30°/26°
Temperatures
20 km/h
Avg max wind
79 %
Avg humidity
Palm Beach County Weather September
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Temperatures trend during September in Palm Beach County
See the weather trend as well as the moving average line
September weather in Palm Beach County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 30° /26° | 6.2 mm | 6 | |
| Sept. 2 | Light rain shower | 30° /26° | 30 mm | 7 | |
| Sept. 3 | Patchy rain possible | 32° /26° | 64.9 mm | 7 | |
| Sept. 4 | Patchy rain possible | 30° /27° | 13.9 mm | 7 | |
| Sept. 5 | Patchy rain possible | 31° /26° | 20.2 mm | 7 | |
| Sept. 6 | Patchy rain possible | 31° /25° | 1.4 mm | 8 | |
| Sept. 7 | Patchy rain possible | 31° /26° | 130.8 mm | 8 | |
| Sept. 8 | Patchy rain possible | 30° /26° | 5 mm | 6 | |
| Sept. 9 | Patchy rain possible | 31° /27° | 10.2 mm | 7 | |
| Sept. 10 | Light rain shower | 31° /26° | 35 mm | 6 | |
| Sept. 11 | Light rain shower | 30° /26° | 13.9 mm | 6 | |
| Sept. 12 |  Moderate or heavy rain shower | 30° /26° | 15.9 mm | 5 | |
| Sept. 13 | Moderate or heavy rain shower | 29° /26° | 23.6 mm | 5 | |
| Sept. 14 | Moderate or heavy rain shower | 31° /25° | 4.9 mm | 8 | |
| Sept. 15 | Light rain shower | 30° /26° | 10.9 mm | 6 | |
| Sept. 16 |  Patchy light rain with thunder | 30° /27° | 3.4 mm | 6 | |
| Sept. 17 | Moderate or heavy rain shower | 29° /26° | 10.9 mm | 5 | |
| Sept. 18 | Moderate or heavy rain shower | 29° /26° | 25.8 mm | 5 | |
| Sept. 19 | Moderate or heavy rain shower | 29° /25° | 6.4 mm | 6 | |
| Sept. 20 | Moderate or heavy rain shower | 30° /25° | 20.3 mm | 6 | |
| Sept. 21 | Light rain shower | 30° /25° | 10.8 mm | 6 | |
| Sept. 22 |  Partly cloudy | 30° /26° | 5.4 mm | 5 | |
| Sept. 23 |  Thundery outbreaks possible | 30° /25° | 4.5 mm | 5 | |
| Sept. 24 | Thundery outbreaks possible | 30° /26° | 1.2 mm | 5 | |
| Sept. 25 | Light rain shower | 30° /27° | 20.6 mm | 7 | |
| Sept. 26 | Patchy rain possible | 29° /26° | 1.5 mm | 9.1 | |
| Sept. 27 |  Sunny | 28° /26° | 0.1 mm | 9.2 | |
| Sept. 28 | Patchy rain possible | 29° /27° | 0.8 mm | 8.6 | |
| Sept. 29 |  Overcast | 29° /26° | 11.8 mm | 6.3 | |
| Sept. 30 | Overcast | 30° /27° | 2.7 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Palm Beach County 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 Palm Beach County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Palm Beach County in September - FAQ
What are the expected maximum and minimum temperatures in Palm Beach County during September?
During September, expect a variety of temperatures with highs around 30° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Palm Beach County during September?
Significant rainfall exceeding 432.6 mm is expected in Palm Beach County during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Palm Beach County during September?
The average wind speed in Palm Beach County during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Palm Beach County
Explore the daily rainfall trends and prepare for Palm Beach Countys September weather 💧
Typically, Palm Beach County has 28 rainy days in September with a total of 432.6 mm of rainfall.
UV exposure in Palm Beach County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Palm Beach County?Get accurate weather forecasts for Palm Beach County, located at latitude 26.359 and longitude -80.083. Stay updated with localized weather information tailored for Palm Beach County.
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