Port Saint Lucie (FL)
September
Weather in Port Saint Lucie, Florida for September 2027
Your guide to Port Saint Lucie weather in September - trends and predictions
In general, the average temperature in Port Saint Lucie at the beginning of September is 30.5 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.9 °C by the end of September.
Port Saint Lucie experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 701.9 mm.
Is September a good time to visit Port Saint Lucie? check out the best time to travel to Port Saint Lucie page.
✨ Is September a good time to visit Port Saint Lucie? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
30°/24°
Temperatures
18 km/h
Avg max wind
79 %
Avg humidity
Port Saint Lucie Weather September
Move between months or click on a day
Temperatures trend during September in Port Saint Lucie
See the weather trend as well as the moving average line
September weather in Port Saint Lucie day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Heavy rain | 31° /25° | 235.8 mm | 7 | |
| Sept. 2 | Heavy rain | 29° /25° | 26.9 mm | 6 | |
| Sept. 3 |  Light rain | 30° /25° | 8 mm | 6 | |
| Sept. 4 |  Moderate rain | 31° /25° | 20.4 mm | 8 | |
| Sept. 5 | Heavy rain | 30° /25° | 33.7 mm | 8 | |
| Sept. 6 | Heavy rain | 32° /24° | 26.4 mm | 8 | |
| Sept. 7 |  Thundery outbreaks possible | 31° /24° | 59.8 mm | 8 | |
| Sept. 8 | Light rain | 31° /24° | 3.1 mm | 7 | |
| Sept. 9 | Moderate rain | 31° /25° | 15.8 mm | 7 | |
| Sept. 10 |  Moderate or heavy rain shower | 31° /25° | 8.4 mm | 6 | |
| Sept. 11 | Moderate rain | 31° /24° | 16.6 mm | 7 | |
| Sept. 12 | Heavy rain | 30° /25° | 30.5 mm | 6 | |
| Sept. 13 | Moderate rain | 30° /25° | 21.3 mm | 6 | |
| Sept. 14 | Light rain | 31° /24° | 4.8 mm | 8 | |
| Sept. 15 | Light rain | 31° /25° | 4.1 mm | 7 | |
| Sept. 16 | Moderate rain | 30° /25° | 10.9 mm | 6 | |
| Sept. 17 | Light rain | 30° /25° | 6.1 mm | 6 | |
| Sept. 18 | Moderate rain | 31° /24° | 17.2 mm | 6 | |
| Sept. 19 | Light rain | 29° /24° | 7.9 mm | 7 | |
| Sept. 20 |  Patchy light rain with thunder | 30° /23° | 11.8 mm | 7 | |
| Sept. 21 | Moderate rain | 29° /24° | 19.5 mm | 6 | |
| Sept. 22 | Moderate rain | 30° /24° | 16.6 mm | 6 | |
| Sept. 23 |  Patchy rain possible | 30° /24° | 2.1 mm | 5 | |
| Sept. 24 | Light rain | 30° /25° | 4.6 mm | 6 | |
| Sept. 25 | Patchy light rain with thunder | 30° /25° | 6.5 mm | 6 | |
| Sept. 26 |  Moderate or heavy rain with thunder | 30° /23° | 27.9 mm | 7 | |
| Sept. 27 | Moderate rain | 30° /24° | 10.1 mm | 8 | |
| Sept. 28 | Moderate or heavy rain with thunder | 30° /23° | 25.2 mm | 6 | |
| Sept. 29 | Moderate rain | 29° /24° | 14 mm | 5 | |
| Sept. 30 | Moderate or heavy rain shower | 31° /24° | 5.9 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Port Saint Lucie 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 Port Saint Lucie forecast closer to your planned date for the most up-to-date weather information.
Change Month
Port Saint Lucie in September - FAQ
What are the expected maximum and minimum temperatures in Port Saint Lucie during September?
During September, expect a variety of temperatures with highs around 30° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Port Saint Lucie during September?
Significant rainfall exceeding 701.9 mm is expected in Port Saint Lucie during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Port Saint Lucie during September?
The average wind speed in Port Saint Lucie during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Port Saint Lucie
Explore the daily rainfall trends and prepare for Port Saint Lucies September weather 💧
Typically, Port Saint Lucie has 22 rainy days in September with a total of 701.9 mm of rainfall.
UV exposure in Port Saint Lucie during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Port Saint Lucie weather pages
You are here
Where is Port Saint Lucie?Get accurate weather forecasts for Port Saint Lucie, located at latitude 27.294 and longitude -80.35. Stay updated with localized weather information tailored for Port Saint Lucie.
Found a mistake?
We appreciate your attention to details. Tell us here.