Normal weather in San Antonio in September
The weather in San Antonio in September has an average temperature of around 34°C during the day. On average, September sees 130 mm of rain in San Antonio. The wind speed is 4 Beaufort and mainly comes from Southeast.
After August, September in San Antonio starts with a temperature of 35°C and ends around October at 33°C.
The hurricane season in San Antonio lasts from early June to late November.
September averages for San Antonio
![]() | 34°C |
![]() | 35°C |
![]() | 33°C |
![]() | 130 mm |
![]() | 15 days |
Temperature per day in September in San Antonio
This graph shows the average daily maximum temperatures in September in San Antonio, indicated in degrees Celsius.
Rainfall per day in September in San Antonio
This graph shows the average daily rainfall in September in San Antonio, indicated in millimeters.
UV index per day in September in San Antonio
This graph shows the average daily UV index in September in San Antonio.
Yearly temperature in September in San Antonio
This graph shows the average yearly temperature in September in San Antonio, measured in degrees Celsius, over the past years.
Yearly total rainfall in September in San Antonio
This graph shows the average yearly rainfall in millimeters in September in San Antonio, over the past years.
Average daily weather in September
Click on a day to get more information about the average weather on that day.
Experiences with the weather in September in San Antonio
Write your own reviewHave you ever been to San Antonio in September?
Share your experiences with the weather in September in San Antonio.
Average weather in San Antonio per month
Click on a month below to see in detail how the weather typically is in San Antonio and what to expect. Based on the historical weather data of San Antonio, you can view the average temperature, rainfall, wind, and UV index for each day of the month.