New Madrid Weather in September

What's the weather like in New Madrid (Missouri) in September 2025?

The climate in New Madrid during September can be summarized as warm, humid and a little damp.

September is in the fall / autumn in New Madrid and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 16°C (60°F) is normal.

New Madrid weather averages (imperial / metric)
Daytime temperature 28°C 82.3°F
Nightly temperature 15.7°C 60.2°F
Average temperature 21.8°C 71.2°F
Daily sunshine 8.7 hrs
Avg rainfall 90 mm 3.5 ins
Rainy days 8 days
Sea temperature 23°C 73.4°F
Humidity 72%
Windspeed 12.2kph 8 mph

On average September is the 4th driest month of the year in New Madrid with around 90mm 3.5 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 New Madrid

New Madrid average temperature in September

September rainfall

New Madrid average rain in September

September hourly sunshine

New Madrid 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 New Madrid 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

New Madrid weather stats

New Madrid weather statistics
Hottest month: July 32.5°C 90.5°F
Driest month: October 75mm 3ins
Sunniest month: July 11hrs
Coldest month: January 5.8°C 42.4°F
Wettest month: May 126mm 5ins
Map showing location of New Madrid (36.58645, -89.52785) New Madrid map pin © Google

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