San Antonio weather in September (Texas, United States of America)
Curious about the climate in San Antonio this September? See what weather conditions to anticipate this month with our guide.
Temperatures
In September, San Antonio usually has very high temperatures and high rainfall. Daytime temperatures hover around 33°C, while nights can cool down to about 21°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.
Precipitation
San Antonio in September usually receives high rainfall, averaging around 102 mm for the month. Looking at the last 30 years, the data shows about 9 days with rain.Average sunshine
The days are predominantly sunny, with an estimated total of around 235 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.In case you lean more towards enjoying temperate temperatures and rain-free days February, March, April, October and November typically offer the most optimal weather. In contrast, August tends to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized San Antonio climate page with graphs.
San Antonio, monthly averages in September
Min Temperature
21°C
Max Temperature
33°C
Chance of Rain
29%
Precipitation
102 mm
Rainy days
9 days
Humidity
68%
Sunshine
235 hours
Percentage Sunshine
63%
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.
perfect weather
pleasant
tolerable
unpleasant
poor
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.
Interested in more climate information?
This site provides you with all the information you need about the climate in San Antonio.
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.
