Bastrop Weather in September

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

The climate in Bastrop during September can be summarized as hot, humid and damp.

September is in the fall / autumn in Bastrop and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (90°F), whilst at night 20°C (68°F) is normal.

Bastrop weather averages (imperial / metric)
Daytime temperature 32.5°C 90.4°F
Nightly temperature 20.2°C 68.3°F
Average temperature 26.3°C 79.3°F
Daily sunshine 8.4 hrs
Avg rainfall 108 mm 4.3 ins
Rainy days 8 days
Sea temperature 28.1°C 82.6°F
Humidity 71%
Windspeed 14kph 9 mph

On average September is the 2nd wettest month of the year in Bastrop with around 108mm 4.3 inches of rain making it a 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 8.4 hours of sunshine per day.

September temperatures in Bastrop

Bastrop average temperature in September

September rainfall

Bastrop average rain in September

September hourly sunshine

Bastrop 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 Bastrop 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

Bastrop weather stats

Bastrop weather statistics
Hottest month: August 35.4°C 95.7°F
Driest month: July 39mm 1.5ins
Sunniest month: July 10.8hrs
Coldest month: January 15.2°C 59.4°F
Wettest month: May 115mm 4.5ins
Map showing location of Bastrop (30.11049, -97.31527) Bastrop map pin © Google

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