Pinellas County (St. Petersburg)
September
Weather in Pinellas County, Florida for September 2026
Your guide to Pinellas County weather in September - trends and predictions
Until now, September 2026 in Pinellas County has been nearly identical to the historical average, with a temperature of 31.1 °F (showing only a slight deviation of 0.3 °F).
The forecast for the upcoming days in Pinellas County predicts a temperature of 28.5 °F, which is slightly above the historical average.
In general, the average temperature in Pinellas County at the beginning of September is 31 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.7 °F by the end of September.
Pinellas County experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 259 mm.
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Temperatures
Rain 🌧️
More
4
Dry days
26
Rainy days
0
Snow days
30°/25°
Temperatures
24 km/h
Avg max wind
75 %
Avg humidity
Pinellas County Weather September
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Temperatures trend during September in Pinellas County
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September weather in Pinellas County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate or heavy rain shower | 31° /25° | 9.2 mm | 8 | |
| Sept. 2 |  Overcast | 31° /25° | 45 mm | 7 | |
| Sept. 3 |  Partly cloudy | 31° /25° | 3 mm | 6 | |
| Sept. 4 | Partly cloudy | 31° /25° | 58.1 mm | 7 | |
| Sept. 5 | Overcast | 31° /26° | 6 mm | 8 | |
| Sept. 6 | Overcast | 31° /26° | 8.4 mm | 8 | |
| Sept. 7 | Partly cloudy | 31° /26° | 41.7 mm | 8 | |
| Sept. 8 |  Thundery outbreaks possible | 30° /26° | 6.3 mm | 6 | |
| Sept. 9 |  Patchy rain possible | 30° /25° | 17 mm | 6 | |
| Sept. 10 | Moderate or heavy rain shower | 31° /25° | 15 mm | 6 | |
| Sept. 11 | Thundery outbreaks possible | 31° /25° | 7.1 mm | 8 | |
| Sept. 12 |  Fog | 31° /25° | 1.3 mm | 6 | |
| Sept. 13 | Partly cloudy | 30° /25° | 5.3 mm | 7 | |
| Sept. 14 | Partly cloudy | 31° /26° | 2.7 mm | 7 | |
| Sept. 15 | Mist | 31° /25° | 1.4 mm | 7 | |
| Sept. 16 | Moderate or heavy rain shower | 30° /25° | 6.9 mm | 6 | |
| Sept. 17 | Overcast | 30° /25° | 1.3 mm | 7 | |
| Sept. 18 | Moderate or heavy rain shower | 31° /25° | 2.6 mm | 8 | |
| Sept. 19 | Light rain shower | 31° /25° | 2.1 mm | 7 | |
| Sept. 20 | Partly cloudy | 30° /24° | 4.8 mm | 8 | |
| Sept. 21 | Partly cloudy | 31° /23° | 13.3 mm | 8 | |
| Sept. 22 | Patchy rain possible | 31° /23° | 6.9 mm | 8 | |
| Sept. 23 |  Cloudy | 32° /24° | 1.9 mm | 7 | |
| Sept. 24 | Moderate or heavy rain shower | 32° /24° | 4.3 mm | 8 | |
| Sept. 25 | Thundery outbreaks possible | 30° /24° | 12.6 mm | 7 | |
| Sept. 26 |  Sunny | 27° /23° | 0 mm | 8.6 | |
| Sept. 27 | Overcast | 27° /23° | 0 mm | 8.2 | |
| Sept. 28 | Sunny | 28° /26° | 0 mm | 8.4 | |
| Sept. 29 | Sunny | 28° /27° | 0 mm | 8.3 | |
| Sept. 30 | Sunny | 29° /25° | 0.2 mm | 7 | |
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Important Notice
Our weather forecast for Pinellas 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 Pinellas County forecast closer to your planned date for the most up-to-date weather information.
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Pinellas County in September - FAQ
What are the expected maximum and minimum temperatures in Pinellas County during September?
During September, expect a variety of temperatures with highs around 30° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Pinellas County during September?
Significant rainfall exceeding 259 mm is expected in Pinellas County during September, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Pinellas County during September?
The average wind speed in Pinellas County during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Pinellas County
Explore the daily rainfall trends and prepare for Pinellas Countys September weather 💧
Typically, Pinellas County has 26 rainy days in September with a total of 259 mm of rainfall.
UV exposure in Pinellas County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Pinellas County?Get accurate weather forecasts for Pinellas County, located at latitude 27.771 and longitude -82.679. Stay updated with localized weather information tailored for Pinellas County.
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