Natchez Weather in September

What's the weather like in Natchez (Mississippi) in September 2025?

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

September is in the fall / autumn in Natchez 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.

Natchez weather averages (imperial / metric)
Daytime temperature 30.8°C 87.4°F
Nightly temperature 18.8°C 65.8°F
Average temperature 24.8°C 76.6°F
Daily sunshine 8.5 hrs
Avg rainfall 89 mm 3.5 ins
Rainy days 9 days
Sea temperature 27.2°C 81°F
Humidity 77%
Windspeed 11.5kph 7 mph

On average September is the driest month of the year in Natchez with around 89mm 3.5 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 8.5 hours of sunshine per day.

September temperatures in Natchez

Natchez average temperature in September

September rainfall

Natchez average rain in September

September hourly sunshine

Natchez 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 Natchez 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

Natchez weather stats

Natchez weather statistics
Hottest month: July 32.9°C 91.2°F
Driest month: September 89mm 3.5ins
Sunniest month: June 10.5hrs
Coldest month: January 14.2°C 57.6°F
Wettest month: December 165mm 6.5ins
Map showing location of Natchez (31.56044, -91.40317) Natchez map pin © Google

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