Crete Weather in September

What's the weather like in Crete (Illinois) in September 2025?

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

September is in the fall / autumn in Crete and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 12°C (53°F) is normal.

Crete weather averages (imperial / metric)
Daytime temperature 24.1°C 75.4°F
Nightly temperature 11.7°C 53.1°F
Average temperature 17.9°C 64.2°F
Daily sunshine 8.3 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 9 days
Sea temperature 19.7°C 67.5°F
Humidity 72%
Windspeed 14.8kph 9 mph

On average September is the 6th wettest month of the year in Crete with around 91mm 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 8.3 hours of sunshine per day.

September temperatures in Crete

Crete average temperature in September

September rainfall

Crete average rain in September

September hourly sunshine

Crete 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 Crete 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

Crete weather stats

Crete weather statistics
Hottest month: July 28.7°C 83.7°F
Driest month: February 37mm 1.5ins
Sunniest month: July 11hrs
Coldest month: January -1.4°C 29.5°F
Wettest month: June 103mm 4.1ins
Map showing location of Crete (41.44448, -87.63143) Crete map pin © Google

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