South Padre Island Weather in September

September in South Padre Island averages 30°C (86°F) during the day and 24°C (75°F) at night. It is the wettest month of the year, with 156 mm (6.1 in) of rainfall on average, so waterproof gear is a must.

Rainfall in South Padre Island in September

Known for its heavy rain, this month often brings intense downpours. Carrying a poncho is recommended to keep dry. Records from the past 30 years suggest around 14 days of rain, with 156 mm (6.1 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in South Padre Island in September

If you're visiting South Padre Island in September, expect highs of 30°C (86°F) and overnight lows around 24°C (75°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.

Sunshine in South Padre Island in September

Expect sunny days throughout the month, with an estimated 246 hours of sunshine. This makes it a pleasant time to visit South Padre Island.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. February, March, April, May, June, July, October, November and December typically offer the best weather for South Padre Island.

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For a detailed overview over the year and the best time to visit the United States of America, check out our South Padre Island's climate page.

South Padre Island Temperature in September

Min Temperature 24°C (75°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 46%  

Precipitation 156 mm (6.1 in)  

Rainy days 14 days  

Humidity 76% *  

Sunshine 246 hours *  

Percentage Sunshine 67% *  

* Data from: Brownsville, the United States of America (35 KM, 21 Miles).

What to Wear in South Padre Island in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in South Padre Island in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our South Padre Island's climate page.

More climate data for South Padre Island

Temperature Rainfall Sunshine Humidity

See the full South Padre Island climate overview or explore weather in the United States of America.