Henderson Weather in September

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

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

September is in the fall / autumn in Henderson and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 31°C (87°F), whilst at night 18°C (65°F) is normal.

Henderson weather averages (imperial / metric)
Daytime temperature 30.8°C 87.4°F
Nightly temperature 18.1°C 64.5°F
Average temperature 24.4°C 75.9°F
Daily sunshine 8.7 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 8 days
Sea temperature 25.7°C 78.3°F
Humidity 74%
Windspeed 12.6kph 8 mph

On average September is the 4th driest month of the year in Henderson with around 91mm 3.6 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 8.7 hours of sunshine per day.

September temperatures in Henderson

Henderson average temperature in September

September rainfall

Henderson average rain in September

September hourly sunshine

Henderson 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 Henderson 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

Henderson weather stats

Henderson weather statistics
Hottest month: July 33.7°C 92.7°F
Driest month: August 63mm 2.5ins
Sunniest month: July 10.7hrs
Coldest month: January 12.5°C 54.5°F
Wettest month: May 127mm 5ins
Map showing location of Henderson (32.15322, -94.79938) Henderson map pin © Google

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