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Round Rock weather in September (Texas, United States of America)

What kind of weather does September bring to Round Rock? Here's what you need to know about the weather for the month.

Temperatures

The month of September in Round Rock typically brings very high temperatures and moderate rainfall. The daytime often sees temperatures reaching 33°C, but nighttime brings a cool-down to 20°C. These are average temperatures, but occasional heat spikes are possible. Stay comfortable by wearing light clothing and drinking water.

Precipitation

Round Rock in September usually receives moderate rainfall, averaging around 100 mm for the month. Historically, the month has about 8 days of rain.

Average sunshine

With approximately 234 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

If you prefer dry days with pleasant temperatures, March, April and November typically offer the best circumstances. While August 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.

 

Round Rock, monthly averages in September

Min TemperatureMin Temperature 20°C  
Max TemperatureMax Temperature 33°C  
Chance of RainChance of Rain 26%  
PrecipitationPrecipitation 100 mm  
Rainy daysRainy days 8 days  
HumidityHumidity 68% *  
WindspeedWindspeed 3 m/s *  
SunshineSunshine 234 hours *  
Percentage SunshinePercentage Sunshine 63% *  
Data from: Austin, the United States of America (23 KM, 14 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
9/10
Cycling
7/10
Walking
7/10
Camping
8/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Round Rock.

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.