Little Rock Weather in September

What's the weather like in Little Rock (Arkansas) in September 2025?

The climate in Little Rock during September can be summarized as hot, humid and damp.

September is in the fall / autumn in Little Rock and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (85°F), whilst at night 18°C (64°F) is normal.

Little Rock weather averages (imperial / metric)
Daytime temperature 29.3°C 84.7°F
Nightly temperature 17.5°C 63.5°F
Average temperature 23.4°C 74.1°F
Daily sunshine 9.6 hrs
Avg rainfall 100 mm 3.9 ins
Rainy days 8 days
Sea temperature 24.1°C 75.3°F
Humidity 73%
Windspeed 11.9kph 7 mph

On average September is the 6th wettest month of the year in Little Rock with around 100mm 3.9 inches of rain making it a 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 9.6 hours of sunshine per day.

September temperatures in Little Rock

Little Rock average temperature in September

September rainfall

Little Rock average rain in September

September hourly sunshine

Little Rock 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 Little Rock 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

Little Rock weather stats

Little Rock weather statistics
Hottest month: July 33.4°C 92.1°F
Driest month: August 80mm 3.1ins
Sunniest month: June 12.2hrs
Coldest month: January 9.2°C 48.6°F
Wettest month: May 135mm 5.3ins
Map showing location of Little Rock (34.74648, -92.28959) Little Rock map pin © Google

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