San Antonio Weather in September

What's the weather like in San Antonio (Central) in September 2024?

The climate in San Antonio during September can be summarized as warm and a little damp.

September is in the spring in San Antonio and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 16°C (61°F) is normal.

San Antonio weather averages (imperial / metric)
Daytime temperature 26.5°C 79.7°F
Nightly temperature 16.3°C 61.3°F
Average temperature 21.4°C 70.5°F
Daily sunshine 7.1 hrs
Avg rainfall 82 mm 3.2 ins
Rainy days 6 days
Sea temperature 17.9°C 64.1°F
Humidity 65%
Windspeed 13kph 8 mph

On average September is the 4th driest month of the year in San Antonio with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.1 hours of sunshine per day.

September temperatures in San Antonio

San Antonio average temperature in September

September rainfall

San Antonio average rain in September

September hourly sunshine

San Antonio average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Antonio in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

San Antonio weather stats

San Antonio weather statistics
Hottest month: January 33.3°C 91.9°F
Driest month: July 54mm 2.1ins
Sunniest month: December 9.9hrs
Coldest month: June 22.4°C 72.3°F
Wettest month: November 161mm 6.3ins
Map showing location of San Antonio (-25.42126, -57.54725) San Antonio map pin © Google

Locations nearby

Top Paraguay locations