San Antonio weather in September (Texas, United States of America)
How is the weather in San Antonio in September? Check out this comprehensive weather guide.
In September, San Antonio generally 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.
San Antonio in September usually receives high rainfall, averaging around 102 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 9 days of the month will see rainfall.
With around 235 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.
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 in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in San Antonio in September?
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 in September.
Interested in more climate information?
Weather and Climate 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 climate conditions. Find out where to go with our weather planner.
