San Augustine Weather in September

What's the weather like in San Augustine (Texas) in September 2025?

The climate in San Augustine during September can be summarized as hot, humid and a little damp.

September is in the fall / autumn in San Augustine and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 31°C (87°F), whilst at night 19°C (66°F) is normal.

San Augustine weather averages (imperial / metric)
Daytime temperature 30.8°C 87.4°F
Nightly temperature 18.6°C 65.5°F
Average temperature 24.7°C 76.5°F
Daily sunshine 8.6 hrs
Avg rainfall 94 mm 3.7 ins
Rainy days 8 days
Sea temperature 27.1°C 80.7°F
Humidity 75%
Windspeed 12.2kph 8 mph

On average September is the 4th driest month of the year in San Augustine with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.6 hours of sunshine per day.

September temperatures in San Augustine

San Augustine average temperature in September

September rainfall

San Augustine average rain in September

September hourly sunshine

San Augustine 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 Augustine in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

San Augustine weather stats

San Augustine weather statistics
Hottest month: July 33.6°C 92.5°F
Driest month: August 73mm 2.9ins
Sunniest month: July 10.4hrs
Coldest month: January 13.3°C 55.9°F
Wettest month: May 128mm 5ins
Map showing location of San Augustine (31.5299, -94.10603) San Augustine map pin © Google

Locations nearby

Top United States locations