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Climate · New York

New York in September

Warm and mostly dry, as the days shorten.

Typical weather, averaged over 30 years

September in New York is warm: highs near 80°F, lows near 62°F. Rain falls on about two days a week, and the days shorten by 58 minutes from the first week to the last.September in New York is warm: highs near 27°C, lows near 17°C. Rain falls on about two days a week, and the days shorten by 58 minutes from the first week to the last.

High
80°F27°Caverage
Low
62°F17°Caverage
Wet days
2a week · 28% of days
Daylight
12h 23mon average

Is September a good time to visit New York?

Yes. September is one of New York's best months (May, or September to October).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 80°F in September, against 43°F to 87°F through the year.Highs near 27°C in September, against 6°C to 31°C through the year.

Chance of a wet day

28% of days in September, against 27% to 41% through the year.

Cloud cover

40% cover in September, against 40% to 56% through the year.

Daylight

12h 23m in September, against 9h 18m to 15h 02m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August86°30°low 68°low 20°3 wet days a weekRain on about three days a week.
  2. September80°27°low 62°low 17°2 wet days a weekRain on about two days a week.
  3. October69°21°low 53°low 12°2 wet days a weekRain on about two days a week.

Where New York sits, in September

America/New York
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
6:35 AMsets 7:07 PM
Above the sea
10 mlow-lying
Latitude
40.7°Nnorthern hemisphere
Nearest of ours
Gardiner108 km north

The land around New York, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in September

high · low · wet days
See September on the planning mapThe whole year in New York

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest New York. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.