Huntsville Weather in September

What's the weather like in Huntsville (Tennessee) in September 2025?

The climate in Huntsville during September can be summarized as warm and a little damp.

September is in the fall / autumn in Huntsville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (79°F), whilst at night 13°C (56°F) is normal.

Huntsville weather averages (imperial / metric)
Daytime temperature 26.4°C 79.4°F
Nightly temperature 13.1°C 55.5°F
Average temperature 19.7°C 67.5°F
Daily sunshine 7.9 hrs
Avg rainfall 99 mm 3.9 ins
Rainy days 9 days
Sea temperature 24.1°C 75.4°F
Humidity 76%
Windspeed 10.1kph 6 mph

On average September is the 2nd driest month of the year in Huntsville with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

September temperatures in Huntsville

Huntsville average temperature in September

September rainfall

Huntsville average rain in September

September hourly sunshine

Huntsville 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 Huntsville 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

Huntsville weather stats

Huntsville weather statistics
Hottest month: July 29.6°C 85.3°F
Driest month: October 80mm 3.1ins
Sunniest month: June 9.7hrs
Coldest month: January 6.2°C 43.2°F
Wettest month: March 140mm 5.5ins
Map showing location of Huntsville (36.4098, -84.49049) Huntsville map pin © Google

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