Jourdanton Weather in September

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

The climate in Jourdanton during September can be summarized as hot and a little damp.

September is in the fall / autumn in Jourdanton and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 33°C (91°F), whilst at night 21°C (70°F) is normal.

Jourdanton weather averages (imperial / metric)
Daytime temperature 32.6°C 90.6°F
Nightly temperature 20.9°C 69.5°F
Average temperature 26.7°C 80.1°F
Daily sunshine 8.1 hrs
Avg rainfall 97 mm 3.8 ins
Rainy days 7 days
Sea temperature 28.9°C 83.9°F
Humidity 69%
Windspeed 15.1kph 9 mph

On average September is the wettest month of the year in Jourdanton with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.1 hours of sunshine per day.

September temperatures in Jourdanton

Jourdanton average temperature in September

September rainfall

Jourdanton average rain in September

September hourly sunshine

Jourdanton 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 Jourdanton 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

Jourdanton weather stats

Jourdanton weather statistics
Hottest month: July 35.4°C 95.7°F
Driest month: March 27mm 1.1ins
Sunniest month: July 10.3hrs
Coldest month: January 16.7°C 62.1°F
Wettest month: September 97mm 3.8ins
Map showing location of Jourdanton (28.91803, -98.54641) Jourdanton map pin © Google

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