Norwalk Weather in September

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

The climate in Norwalk during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Norwalk and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 11°C (52°F) is normal.

Norwalk weather averages (imperial / metric)
Daytime temperature 23.6°C 74.5°F
Nightly temperature 11.2°C 52.2°F
Average temperature 17.4°C 63.3°F
Daily sunshine 7.5 hrs
Avg rainfall 80 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 Norwalk with around 80mm 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 7.5 hours of sunshine per day.

September temperatures in Norwalk

Norwalk average temperature in September

September rainfall

Norwalk average rain in September

September hourly sunshine

Norwalk 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 Norwalk 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

Norwalk weather stats

Norwalk weather statistics
Hottest month: July 27.9°C 82.2°F
Driest month: February 46mm 1.8ins
Sunniest month: July 9.9hrs
Coldest month: January -0.4°C 31.3°F
Wettest month: July 106mm 4.2ins
Map showing location of Norwalk (41.24255, -82.61573) Norwalk map pin © Google

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