New York Weather in September
United States · September climate averages and travel tips
Avg high23°C (73°F)
Avg low18°C (64°F)
Rainfall102 mm (4.0 in)
RatingExcellent 8.6/10
In September, New York has average highs of 23°C (73°F) and lows of 18°C (64°F). September is autumn (fall) in United States. The month is moderately rainy, with about 102 mm (4.0 in) of rain spread over 10 days. You get roughly 12.3 hours of daylight and a mix of sun and cloud.
Is September a good time to visit New York?
Yes — September is one of the best months to visit New York. The weather rates excellent (8.6/10) on our comfort score.
September weather at a glance
| Average high | 23°C (73°F) |
|---|---|
| Average low | 18°C (64°F) |
| Daily mean | 20°C (69°F) |
| Rainfall | 102 mm (4.0 in) |
| Rainy days (1 mm+) | 10 |
| Humidity | 77% |
| Cloud cover | 51% |
| Daylight | 12.3 hours |
| Est. sunshine | 6.6 hours/day |
| Wind | 13.6 km/h |
| vs August | 3°C cooler than August, with 13 mm less rain. |
What to pack for New York in September
- T-shirts plus a light layer for the evening
- an umbrella or rain jacket
New York weather in other months
Jan4°C / -1°C114 mmPoorFeb4°C / -1°C99 mmPoorMar7°C / 1°C120 mmPoorApr12°C / 6°C116 mmFairMay17°C / 11°C101 mmGoodJun22°C / 17°C103 mmGoodJul26°C / 21°C129 mmFairAug26°C / 21°C115 mmFairSep23°C / 18°C102 mmExcellentOct18°C / 12°C128 mmGoodNov12°C / 6°C99 mmFairDec7°C / 2°C142 mmPoor
← AugustBest time to visit New YorkOctober →
Better weather in September nearby
- San Francisco, California24°C · 4 mm · Excellent
- Seattle, Washington21°C · 62 mm · Excellent
- Denver, Colorado29°C · 35 mm · Excellent
- Calgary20°C · 49 mm · Excellent
Nearby in September
- Manhattan, New York25°C · 104 mm
- Brooklyn, New York23°C · 102 mm
- Queens, New York23°C · 102 mm
- The Bronx, New York25°C · 104 mm
- Philadelphia, Pennsylvania26°C · 101 mm
- Boston, Massachusetts24°C · 97 mm
Where else is good in September? See where to go in September.