Average Weather during September in San Antonio (Texas), United States of America

The average minimum temperature (usually the minimum temperature is noted during the night) in San Antonio in September is 20.7°C (69.26°F). The amount of rain in September is normal with an average of 78mm (3.1in). The average maximum temperature lies around 32.5°C (90.5°F). If you enjoy looking at a blue sky and like sunbathing than this month is a great period to visit San Antonio. It has 235 hours of sun.

So what to wear in September? Visitors traveling to San Antonio should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts and or a skirt because it can be very warm or even hot.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go here.

For other monthly weather averages and what to do in September look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 20 °C
Max Temperature 32 °C
Chance of Rain 22%
Precipitation 78mm
Rainy Days 7
Sunshine Hours 235

What To Do

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

Outdoor sports

More Climate Information For San Antonio

Weather and Climate offers all the information you need to know about the climate in San Antonio.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in United States of America and climate and forecast data for all other countries in the world.