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Port Isabel weather in September (Texas, United States of America)

Will it be rainy or sunny in Port Isabel this September? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

Typically, September in Port Isabel includes very high temperatures and heavy rainfall. You can expect daytime temperatures to reach around 32°C, while the nights will see a decline to about 25°C. These are average temperatures, but occasional heat spikes are possible. Stay comfortable by wearing light clothing and drinking water.

Precipitation

Port Isabel in September usually receives heavy rainfall, averaging around 171 mm for the month. During this month, the rain comes down heavily. A poncho is essential for staying dry. Climate statistics over the past 30 years suggest around 14 days of rain.

Average sunshine

Expect a lot of sunshine this month, with about 246 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Port Isabel. January, February, March, April, August, October, November and December generally stand out with the best circumstances. While September tends to showcase less optimal conditions.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

 

Port Isabel, monthly averages in September

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 32°C  
Chance of RainChance of Rain 47%  
PrecipitationPrecipitation 171 mm  
Rainy daysRainy days 14 days  
HumidityHumidity 76% *  
SunshineSunshine 246 hours *  
Percentage SunshinePercentage Sunshine 67% *  
Data from: Brownsville, the United States of America (29 KM, 18 Miles).

Where to go 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.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Port Isabel.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.