Fairfield Weather in September

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

The climate in Fairfield during September can be summarized as warm and a little damp.

September is in the fall / autumn in Fairfield and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 13°C (55°F) is normal.

Fairfield weather averages (imperial / metric)
Daytime temperature 23.5°C 74.2°F
Nightly temperature 12.7°C 54.8°F
Average temperature 18.1°C 64.5°F
Daily sunshine 7.9 hrs
Avg rainfall 94 mm 3.7 ins
Rainy days 8 days
Sea temperature 20°C 68°F
Humidity 74%
Windspeed 16.4kph 10 mph

On average September is the 4th driest month of the year in Fairfield with around 94mm 3.7 inches of rain making it a a little 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 Fairfield

Fairfield average temperature in September

September rainfall

Fairfield average rain in September

September hourly sunshine

Fairfield 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 Fairfield in September 2024.