San Antonio Weather in September

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

The climate in San Antonio during September can be summarized as very hot, humid and wet.

September is in the fall / autumn in San Antonio and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 23°C (73°F) is normal.

San Antonio weather averages (imperial / metric)
Daytime temperature 33.1°C 91.5°F
Nightly temperature 23°C 73.3°F
Average temperature 28°C 82.4°F
Daily sunshine 6.9 hrs
Avg rainfall 194 mm 7.6 ins
Rainy days 15 days
Sea temperature 29.3°C 84.7°F
Humidity 81%
Windspeed 7.9kph 5 mph

On average September is the 4th wettest month of the year in San Antonio with around 194mm 7.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.9 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: May 35.4°C 95.7°F
Driest month: February 35mm 1.4ins
Sunniest month: April 9.4hrs
Coldest month: January 28.5°C 83.3°F
Wettest month: November 338mm 13.3ins
Map showing location of San Antonio (17.27323, 121.79264) San Antonio map pin © Google

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