Norwalk Weather in September

What's the weather like in Norwalk (Connecticut) in September 2024?

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

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 12°C (53°F) is normal.

Norwalk weather averages (imperial / metric)
Daytime temperature 23.8°C 74.8°F
Nightly temperature 11.8°C 53.2°F
Average temperature 17.8°C 64°F
Daily sunshine 7.9 hrs
Avg rainfall 101 mm 4 ins
Rainy days 8 days
Sea temperature 20°C 68°F
Humidity 73%
Windspeed 16.6kph 10 mph

On average September is the 5th driest month of the year in Norwalk with around 101mm 4 inches of rain making it a damp 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 7.9 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 2024.

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 28.4°C 83.1°F
Driest month: February 87mm 3.4ins
Sunniest month: August 9.1hrs
Coldest month: January 2.4°C 36.3°F
Wettest month: May 120mm 4.7ins
Map showing location of Norwalk (41.1176, -73.4079) Norwalk map pin © Google

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