Harrison Weather in September

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

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

September is in the fall / autumn in Harrison and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 15°C (59°F) is normal.

Harrison weather averages (imperial / metric)
Daytime temperature 26.9°C 80.3°F
Nightly temperature 15.2°C 59.3°F
Average temperature 21°C 69.8°F
Daily sunshine 8.6 hrs
Avg rainfall 112 mm 4.4 ins
Rainy days 9 days
Sea temperature 22.4°C 72.2°F
Humidity 73%
Windspeed 13.3kph 8 mph

On average September is the 3rd wettest month of the year in Harrison 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 8.6 hours of sunshine per day.

September temperatures in Harrison

Harrison average temperature in September

September rainfall

Harrison average rain in September

September hourly sunshine

Harrison 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 Harrison 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

Harrison weather stats

Harrison weather statistics
Hottest month: July 31.6°C 88.9°F
Driest month: January 65mm 2.6ins
Sunniest month: July 11.3hrs
Coldest month: January 6.9°C 44.4°F
Wettest month: May 141mm 5.6ins
Map showing location of Harrison (36.22979, -93.10768) Harrison map pin © Google

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