Palm Beach County (Boca Raton)
September
Weather in Palm Beach County for September 2025
Your guide to Palm Beach County weather in September - trends and predictions
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 slightly decrease, reaching an average of 30.6 °F by the end of September.
Palm Beach County experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 218.1 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
31°/27°
Temperatures
21 km/h
Avg max wind
75 %
Avg humidity
Palm Beach County in September average weather
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  30° | 2 30° | 3 31° | 4 31° | 5 31° | 6 31° | |
| 7 31° | 8 31° | 9 31° | 10 31° | 11 31° | 12 31° | 13 31° |
| 14  32° | 15 30° | 16  31° | 17 29° | 18 30° | 19 29° | 20 29° |
| 21 30° | 22  30° | 23  31° | 24 31° | 25 30° | 26 30° | 27 30° |
| 28 33° | 29  30° | 30 30° |
You can click on date
Access Palm Beach County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Palm Beach County
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 | Light rain shower | 30° /27° | 2.5 mm | 7 | |
| Sept. 2 | Light rain shower | 30° /27° | 4.8 mm | 7 | |
| Sept. 3 | Patchy rain possible | 31° /28° | 3.7 mm | 7 | |
| Sept. 4 | Patchy rain possible | 31° /28° | 1.6 mm | 7 | |
| Sept. 5 | Patchy rain possible | 31° /28° | 0.2 mm | 7 | |
| Sept. 6 | Patchy rain possible | 31° /28° | 0.1 mm | 7 | |
| Sept. 7 | Patchy rain possible | 31° /28° | 0.4 mm | 7 | |
| Sept. 8 | Patchy rain possible | 31° /28° | 1.1 mm | 7 | |
| Sept. 9 | Patchy rain possible | 31° /28° | 7.3 mm | 7 | |
| Sept. 10 | Light rain shower | 31° /28° | 3.3 mm | 7 | |
| Sept. 11 | Light rain shower | 31° /28° | 5.5 mm | 7 | |
| Sept. 12 | Light rain shower | 31° /28° | 5 mm | 7 | |
| Sept. 13 | Light rain shower | 31° /28° | 4.7 mm | 7 | |
| Sept. 14 | Moderate or heavy rain shower | 32° /28° | 11.2 mm | 7 | |
| Sept. 15 | Light rain shower | 30° /26° | 2.5 mm | 7 | |
| Sept. 16 | Patchy light rain with thunder | 31° /28° | 3 mm | 7 | |
| Sept. 17 | Light rain shower | 29° /26° | 5 mm | 6 | |
| Sept. 18 | Moderate or heavy rain shower | 30° /26° | 12.5 mm | 7 | |
| Sept. 19 | Moderate or heavy rain shower | 29° /25° | 15.7 mm | 6 | |
| Sept. 20 | Moderate or heavy rain shower | 29° /26° | 43.4 mm | 6 | |
| Sept. 21 | Light rain shower | 30° /26° | 4.8 mm | 7 | |
| Sept. 22 | Partly cloudy | 30° /26° | 0 mm | 8 | |
| Sept. 23 | Thundery outbreaks possible | 31° /26° | 0 mm | 7 | |
| Sept. 24 | Thundery outbreaks possible | 31° /27° | 0 mm | 7 | |
| Sept. 25 | Light rain shower | 30° /27° | 37.1 mm | 7 | |
| Sept. 26 | Moderate or heavy rain shower | 30° /27° | 28.7 mm | 7 | |
| Sept. 27 | Light rain shower | 30° /27° | 14.1 mm | 7 | |
| Sept. 28 | Partly cloudy | 33° /27° | 0 mm | 8 | |
| Sept. 29 | Fog | 30° /26° | 0 mm | 7 | |
| Sept. 30 | Mist | 30° /26° | 0 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.
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 31° and lows near 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in Palm Beach County during September?
Significant rainfall exceeding 218.1 mm is expected in Palm Beach County during September, occurring over more than 22 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 21 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 💧
UV exposure in Palm Beach County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Palm Beach County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.