The temperatures in New York City in September are comfortable with low of 17°C and and high up to 24°C.
You can expect about 3 to 8 days of rain in New York City during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in New York City in September 2025.
If you’re planning to visit New York City in the near future, we highly recommend that you review the 14 day weather forecast for New York City before you arrive.
Temperatures
24° / 17°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
128
mm
Sun Hours
10.3
Hrs
