Russellville Weather in September

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

The climate in Russellville during September can be summarized as warm, humid and damp.

September is in the fall / autumn in Russellville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 17°C (62°F) is normal.

Russellville weather averages (imperial / metric)
Daytime temperature 29.1°C 84.4°F
Nightly temperature 16.5°C 61.7°F
Average temperature 22.8°C 73°F
Daily sunshine 9.1 hrs
Avg rainfall 103 mm 4.1 ins
Rainy days 8 days
Sea temperature 23.1°C 73.5°F
Humidity 73%
Windspeed 12.2kph 8 mph

On average September is the 6th wettest month of the year in Russellville with around 103mm 4.1 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 9.1 hours of sunshine per day.

September temperatures in Russellville

Russellville average temperature in September

September rainfall

Russellville average rain in September

September hourly sunshine

Russellville 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 Russellville 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

Russellville weather stats

Russellville weather statistics
Hottest month: July 33.5°C 92.3°F
Driest month: January 69mm 2.7ins
Sunniest month: July 11.7hrs
Coldest month: January 9.2°C 48.6°F
Wettest month: May 137mm 5.4ins
Map showing location of Russellville (35.27842, -93.13379) Russellville map pin © Google

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