New York in September:
comfortably warm, rain here and there

New York, United States · Records from 2006 to 2025. Not a forecast.

Mean high25°Hottest day 34° (2010)
Mean low17°Coldest night 8.1° (2013)
Rain days7 days2-13 by year
Rainfall102mmDaylight 13.1 → 11.8 h
New York's 12 months iBest: September
Trip types Sightseeing on foot Goodmild
Humidity74%4 muggy days
Clear days8 days9 overcast days
Mean wind10 km/hRarely windy
Sunrise / sunset (15th)06:36 / 19:06Daylight 13.1 → 11.8 h

New York in September

Humidity drops and skies get higher, making travel easier. Some days are still hot. Tourists thin out after Labor Day weekend. Hurricane season continues, so check the news before you fly.

Daytime highs averaged 25°C, with nights at 17°C. Comfortably warm without being punishing. Out of 30 days, about 7 brought rain; the rest stayed dry. The driest year, 2007, had 2 rain days; the wettest, 2023, had 13.

Highs passed 30°C on 2 days on average.

Hurricanes i

1 of the last 20 years had a tropical storm pass within 300 km this month.

  • Hanna (2008), 75 km away tropical storm
1 2 3 4 5 6 47 38 19 110 11 12

Date by date i

‹ August September 2027 October ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-4rain on 25% of days27° 19°
5-11rain on 30% of days26° 18°
12-18rain on 19% of days24° 17°
19-25rain on 17% of days24° 16°
26-30rain on 30% of days23° 16°

0-5/206-8/209-11/2012-20/20

1-4rain on 25% of days27° 19°
5-11rain on 30% of days26° 18°
12-18rain on 19% of days24° 17°
19-25rain on 17% of days24° 16°
26-30rain on 30% of days23° 16°
Tap another date to change

2006none
2007none
20089mm
2009none
201016mm
201110mm
201212mm
2013none
2014none
2015none
2016none
2017none
201830mm
2019none
2020none
20213mm
2022none
20237mm
202410mm
20251mm
Holidays in September (2027)
  • September 6 Labor Day

1 Local public holiday or break (busier, pricier)

Day by day temperature i

13°20°28°35° 1815222930

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
1 d 10 d
2007
1 d 2 d
2008
2 d 6 d
2009
2 d 5 d
2010
0 d 6 d
2011
4 d 10 d
2012
3 d 10 d
2013
0 d 6 d
2014
0 d 3 d
2015
2 d 7 d
2016
1 d 7 d
2017
2 d 7 d
2018
6 d 12 d
2019
2 d 4 d
2020
2 d 6 d
2021
1 d 6 d
2022
4 d 8 d
2023
4 d 13 d
2024
1 d 6 d
2025
4 d 9 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
5
7
6
2
4
7
7
4
5
8
7
7
5
2
3
3
4
3
4
1
2
2
5
4
6
2
6
9
6
7
Rain days on trip
11220430021262214414

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2007 had 2 rain days, 2023 had 13.

New York through the year

MonthHighLowRain daysRainfall
January 4°−2°9 days89mm
February 6°−1°8 days90mm
March 10°3°9 days106mm
April 17°8°9 days110mm
May 22°13°10 days105mm
June 27°18°9 days119mm
July 30°21°10 days126mm
August 29°21°8 days114mm
SeptemberGood 25°17°7 days102mm
October 18°11°8 days118mm
November 12°6°7 days87mm
December 7°1°10 days118mm

Common questions

Does it rain a lot in New York in September?

Over the past 20 years September averaged 7 rain days (1 mm or more) out of 30. Individual years ran from 2 in the driest to 13 in the wettest.

What should I wear in New York in September?

Days averaged 25°C and nights 17°C. Pack a compact umbrella, a light layer for the evenings, T-shirts, and sunscreen plus a hat.

Is September a good time to visit New York?

On warmth and rain days alone, New York's easiest month was September. September ranked first of 12.

How many clear days does New York get in September?

About 8 clear days (under 30% cloud on average) and 9 overcast days (80% or more).