New York weather in September 2025
Expect daytime maximum temperatures of 24°C in New York, USA in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 92 mm of rainfall in the month.
- 24°C max day temperature
24
- 7 hours of sunshine per day
- 8 days with some rainfall
8
- 16°C min night temperature
16
- 12 hours of daylight per day
12
- No heat & humidity
0
- 92 mm of monthly rainfall
92
- 6 (High) UV index
6
- 21°C sea temperature
21
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