Hewlett Harbor Weather in September

What's the weather like in Hewlett Harbor (New York) in September 2024?

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

September is in the fall / autumn in Hewlett Harbor and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 16°C (60°F) is normal.

Hewlett Harbor weather averages (imperial / metric)
Daytime temperature 23.9°C 75°F
Nightly temperature 15.5°C 59.9°F
Average temperature 19.7°C 67.5°F
Daily sunshine 7.9 hrs
Avg rainfall 85 mm 3.4 ins
Rainy days 8 days
Sea temperature 20.6°C 69.1°F
Humidity 71%
Windspeed 17.3kph 11 mph

On average September is the 4th driest month of the year in Hewlett Harbor with around 85mm 3.4 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 Hewlett Harbor

Hewlett Harbor average temperature in September

September rainfall

Hewlett Harbor average rain in September

September hourly sunshine

Hewlett Harbor 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 Hewlett Harbor in September 2024.