Port Aransas Weather in September

September in Port Aransas averages 31°C (88°F) during the day and 25°C (77°F) at night. It is the wettest month of the year, with 153 mm (6 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Port Aransas in September

The heaviest rainfall of the year happens this month, with frequent showers. A poncho is your best bet to stay dry. Historically, September sees about 12 days of rain, with a monthly average of 153 mm (6 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Port Aransas in September

September in Port Aransas sees highs of 31°C (88°F) and lows of 25°C (77°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Port Aransas in September

The days are predominantly sunny, with an estimated total of around 246 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

September in Port Aransas has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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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 Port Aransas's climate page.

Port Aransas Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 40%  

Precipitation 153 mm (6 in)  

Rainy days 12 days  

Humidity 75% *  

Sunshine 246 hours *  

Percentage Sunshine 66% *  

* Data from: Corpus Christi, the United States of America (33 KM, 20 Miles).

What to Wear in Port Aransas in September

Warm but pleasant conditions in Port Aransas in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Port Aransas 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

7/10

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 Port Aransas's climate page.

More climate data for Port Aransas

Temperature Rainfall Sunshine Humidity

See the full Port Aransas climate overview or explore weather in the United States of America.