New York City Weather in September

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

The climate in New York City during September can be summarized as warm and a little damp.

September is in the fall / autumn in New York City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 15°C (59°F) is normal.

New York City weather averages (imperial / metric)
Daytime temperature 24.5°C 76.1°F
Nightly temperature 14.9°C 58.8°F
Average temperature 19.7°C 67.5°F
Daily sunshine 7.8 hrs
Avg rainfall 96 mm 3.8 ins
Rainy days 8 days
Sea temperature 21°C 69.8°F
Humidity 69%
Windspeed 16.6kph 10 mph

On average September is the 6th driest month of the year in New York City with around 96mm 3.8 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 7.8 hours of sunshine per day.

September temperatures in New York City

New York City average temperature in September

September rainfall

New York City average rain in September

September hourly sunshine

New York City 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 New York City in September 2024.