Allison Weather in September

What's the weather like in Allison (Iowa) in September 2024?

The climate in Allison during September can be summarized as mild and a little damp.

September is in the fall / autumn in Allison and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 10°C (50°F) is normal.

Allison weather averages (imperial / metric)
Daytime temperature 23.6°C 74.4°F
Nightly temperature 10.1°C 50.1°F
Average temperature 16.8°C 62.2°F
Daily sunshine 8.2 hrs
Avg rainfall 92 mm 3.6 ins
Rainy days 9 days
Sea temperature 18.2°C 64.8°F
Humidity 74%
Windspeed 16.6kph 10 mph

On average September is the 5th wettest month of the year in Allison with around 92mm 3.6 inches of rain making it a a little 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 8.2 hours of sunshine per day.

September temperatures in Allison

Allison average temperature in September

September rainfall

Allison average rain in September

September hourly sunshine

Allison 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 Allison in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Allison weather stats

Allison weather statistics
Hottest month: July 29.2°C 84.6°F
Driest month: January 21mm 0.8ins
Sunniest month: July 11.2hrs
Coldest month: January -4.2°C 24.4°F
Wettest month: June 116mm 4.6ins
Map showing location of Allison (42.75275, -92.79519) Allison map pin © Google

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