South Padre Island (TX)
September
Weather in South Padre Island, Texas for September 2026
Your guide to South Padre Island weather in September - trends and predictions
So far, September 2026 in South Padre Island is slightly warmer than the historical average by 0.8 °F.
The forecast for the next days in South Padre Island predicts a temperature of 30.1 °F, which is cooler than the historical average.
In general, the average temperature in South Padre Island at the beginning of September is 28.9 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 31.9 °F by the end of September.
The climate of South Padre Island in September is notably wet, with an average of 14 rainy days, and a total of 221.5 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
14
Rainy days
0
Snow days
29°/27°
Temperatures
23 km/h
Avg max wind
78 %
Avg humidity
South Padre Island Weather September
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Temperatures trend during September in South Padre Island
See the weather trend as well as the moving average line
September weather in South Padre Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Thundery outbreaks possible | 29° /27° | 0 mm | 11 | |
| Sept. 2 |  Cloudy | 29° /27° | 0 mm | 13 | |
| Sept. 3 | Cloudy | 29° /27° | 0 mm | 12 | |
| Sept. 4 |  Overcast | 28° /26° | 0 mm | 9 | |
| Sept. 5 | Cloudy | 29° /27° | 0 mm | 12 | |
| Sept. 6 |  Partly cloudy | 29° /27° | 0 mm | 12 | |
| Sept. 7 |  Moderate or heavy rain shower | 29° /27° | 3 mm | 10 | |
| Sept. 8 | Moderate or heavy rain shower | 29° /28° | 11.4 mm | 11 | |
| Sept. 9 |  Light rain shower | 30° /27° | 11.1 mm | 11 | |
| Sept. 10 | Partly cloudy | 31° /28° | 0.2 mm | 10 | |
| Sept. 11 | Moderate or heavy rain shower | 31° /28° | 9.5 mm | 11 | |
| Sept. 12 | Moderate rain at times | 30° /27° | 2.2 mm | 12 | |
| Sept. 13 |  Patchy light rain with thunder | 31° /27° | 3.8 mm | 10 | |
| Sept. 14 | Overcast | 31° /26° | 1.1 mm | 11 | |
| Sept. 15 | Moderate or heavy rain shower | 31° /27° | 4.4 mm | 10 | |
| Sept. 16 | Light rain shower | 31° /27° | 7.8 mm | 7 | |
| Sept. 17 | Moderate or heavy rain shower | 30° /27° | 37.2 mm | 5 | |
| Sept. 18 | Light rain shower | 30° /26° | 7.6 mm | 5 | |
| Sept. 19 | Moderate or heavy rain shower | 30° /27° | 5.4 mm | 11 | |
| Sept. 20 | Moderate or heavy rain shower | 31° /26° | 6.9 mm | 9 | |
| Sept. 21 | Light rain shower | 31° /27° | 3.5 mm | 10 | |
| Sept. 22 | Patchy rain possible | 31° /27° | 0.2 mm | 10 | |
| Sept. 23 | Partly cloudy | 31° /28° | 0.3 mm | 9 | |
| Sept. 24 |  Sunny | 31° /27° | 0.8 mm | 7 | |
| Sept. 25 | Overcast | 31° /27° | 2.5 mm | 5 | |
| Sept. 26 | Patchy rain possible | 32° /28° | 0.7 mm | 9 | |
| Sept. 27 | Overcast | 32° /27° | 0 mm | 9.5 | |
| Sept. 28 | Patchy rain possible | 32° /27° | 0.3 mm | 9.5 | |
| Sept. 29 | Patchy rain possible | 32° /28° | 0.5 mm | 9.1 | |
| Sept. 30 | Patchy rain possible | 33° /28° | 0.7 mm | 9.5 | |
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Important Notice
Our weather forecast for South Padre Island 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 South Padre Island forecast closer to your planned date for the most up-to-date weather information.
Change Month
South Padre Island in September - FAQ
What are the expected maximum and minimum temperatures in South Padre Island during September?
During September, expect a variety of temperatures with highs around 29° and lows near 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in South Padre Island during September?
Significant rainfall exceeding 221.5 mm is expected in South Padre Island during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in South Padre Island during September?
The average wind speed in South Padre Island during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in South Padre Island
Explore the daily rainfall trends and prepare for South Padre Islands September weather 💧
Typically, South Padre Island has 14 rainy days in September with a total of 221.5 mm of rainfall.
UV exposure in South Padre Island during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is South Padre Island?Get accurate weather forecasts for South Padre Island, located at latitude 26.104 and longitude -97.165. Stay updated with localized weather information tailored for South Padre Island.
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