Port Clinton Weather in September

What's the weather like in Port Clinton (Ohio) in September 2025?

The climate in Port Clinton during September can be summarized as warm and reasonably dry.

September is in the fall / autumn in Port Clinton and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 13°C (55°F) is normal.

Port Clinton weather averages (imperial / metric)
Daytime temperature 23.3°C 73.9°F
Nightly temperature 13°C 55.3°F
Average temperature 18.1°C 64.6°F
Daily sunshine 7.3 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 8 days
Sea temperature 21.2°C 70.2°F
Humidity 74%
Windspeed 13.3kph 8 mph

On average September is the 6th wettest month of the year in Port Clinton with around 78mm 3.1 inches of rain making it a reasonably dry 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 7.3 hours of sunshine per day.

September temperatures in Port Clinton

Port Clinton average temperature in September

September rainfall

Port Clinton average rain in September

September hourly sunshine

Port Clinton 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 Port Clinton 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

Port Clinton weather stats

Port Clinton weather statistics
Hottest month: July 27.7°C 81.9°F
Driest month: February 45mm 1.8ins
Sunniest month: July 10hrs
Coldest month: January -1.3°C 29.7°F
Wettest month: June 92mm 3.6ins
Map showing location of Port Clinton (41.512, -82.93769) Port Clinton map pin © Google

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