South Padre Island
Texas, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
South Padre Island, TX

  • Average sea temperature in September: 29.2°C

The best month for swimming (with the highest average sea temperature) is August (29.5°C).
The coldest month (with the lowest average sea temperature) is February (19.3°C).

  • Average daylight in September: 13.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 11.4h).