Roslyn Harbor Weather in September

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

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

September is in the fall / autumn in Roslyn Harbor and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 14°C (58°F) is normal.

Roslyn Harbor weather averages (imperial / metric)
Daytime temperature 23.9°C 74.9°F
Nightly temperature 14.4°C 57.8°F
Average temperature 19.1°C 66.4°F
Daily sunshine 7.9 hrs
Avg rainfall 89 mm 3.5 ins
Rainy days 8 days
Sea temperature 20.6°C 69.1°F
Humidity 72%
Windspeed 17.3kph 11 mph

On average September is the 4th driest month of the year in Roslyn Harbor with around 89mm 3.5 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 Roslyn Harbor

Roslyn Harbor average temperature in September

September rainfall

Roslyn Harbor average rain in September

September hourly sunshine

Roslyn 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 Roslyn Harbor 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

Roslyn Harbor weather stats

Roslyn Harbor weather statistics
Hottest month: July 28.1°C 82.6°F
Driest month: February 81mm 3.2ins
Sunniest month: August 9.2hrs
Coldest month: January 3°C 37.4°F
Wettest month: April 105mm 4.1ins
Map showing location of Roslyn Harbor (40.81649, -73.63707) Roslyn Harbor map pin © Google

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