The temperatures in Brooklyn in September are comfortable with low of 14°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Brooklyn 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 Brooklyn in September 2025.
If you’re planning to visit Brooklyn in the near future, we highly recommend that you review the 14 day weather forecast for Brooklyn before you arrive.
Temperatures
25° / 14°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
112
mm
Sun Hours
10.3
Hrs
