Bentonville Weather in September

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

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

September is in the fall / autumn in Bentonville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 15°C (59°F) is normal.

Bentonville weather averages (imperial / metric)
Daytime temperature 27.7°C 81.9°F
Nightly temperature 14.7°C 58.5°F
Average temperature 21.2°C 70.2°F
Daily sunshine 8.3 hrs
Avg rainfall 112 mm 4.4 ins
Rainy days 9 days
Sea temperature 22.2°C 71.9°F
Humidity 72%
Windspeed 13.7kph 9 mph

On average September is the 3rd wettest month of the year in Bentonville with around 112mm 4.4 inches of rain making it a 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 8.3 hours of sunshine per day.

September temperatures in Bentonville

Bentonville average temperature in September

September rainfall

Bentonville average rain in September

September hourly sunshine

Bentonville 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 Bentonville 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

Bentonville weather stats

Bentonville weather statistics
Hottest month: July 32.2°C 90°F
Driest month: January 50mm 2ins
Sunniest month: July 11.2hrs
Coldest month: January 7.1°C 44.8°F
Wettest month: May 133mm 5.2ins
Map showing location of Bentonville (36.37285, -94.20882) Bentonville map pin © Google

Locations nearby

Top United States locations