South Padre Island
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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.

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).

South Padre Island Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in South Padre Island - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

South Padre Island 3-Day Forecast

More climate data for South Padre Island

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.