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September weather forecast in New York

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

31 August, sun

	758 mmHg		69%
	4 m/s		+25

31 August, Sunday. day, 27°; night, 20°; overcast

1 September, mon

	758 mmHg		68%
	3.9 m/s		+26

1 September, Monday. day, 26°; night, 19°; partly cloudy

2 September, tue

	758 mmHg		70%
	4.1 m/s		+25

2 September, Tuesday. day, 25°; night, 18°; rain

3 September, wed

	757 mmHg		72%
	3.9 m/s		+24

3 September, Wednesday. day, 26°; night, 19°; overcast

4 September, thu

	757 mmHg		70%
	3.9 m/s		+25

4 September, Thursday. day, 27°; night, 19°; clear

5 September, fri

	759 mmHg		68%
	4 m/s		+24

5 September, Friday. day, 26°; night, 19°; clear

6 September, sat

	759 mmHg		72%
	4.1 m/s		+24

6 September, Saturday. day, 25°; night, 18°; rain

7 September, sun

	758 mmHg		73%
	4.19 m/s		+24

7 September, Sunday. day, 26°; night, 18°; rain

8 September, mon

	757 mmHg		73%
	4.1 m/s		+23

8 September, Monday. day, 26°; night, 19°; clear

9 September, tue

	757 mmHg		73%
	4 m/s		+23

9 September, Tuesday. day, 25°; night, 18°; partly cloudy

10 September, wed

	759 mmHg		74%
	3.9 m/s		+24

10 September, Wednesday. day, 25°; night, 18°; partly cloudy

11 September, thu

	759 mmHg		72%
	4.3 m/s		+23

11 September, Thursday. day, 24°; night, 17°; rain

12 September, fri

	759 mmHg		72%
	3.8 m/s		+23

12 September, Friday. day, 24°; night, 17°; clear

13 September, sat

	758 mmHg		74%
	3.8 m/s		+24

13 September, Saturday. day, 25°; night, 17°; rain

14 September, sun

	758 mmHg		74%
	4.19 m/s		+24

14 September, Sunday. day, 25°; night, 17°; partly cloudy

15 September, mon

	759 mmHg		71%
	4.19 m/s		+23

15 September, Monday. day, 24°; night, 17°; clear

16 September, tue

	759 mmHg		73%
	4 m/s		+22

16 September, Tuesday. day, 23°; night, 16°; rain

17 September, wed

	759 mmHg		73%
	4 m/s		+22

17 September, Wednesday. day, 23°; night, 15°; clear

18 September, thu

	758 mmHg		74%
	4.3 m/s		+23

18 September, Thursday. day, 23°; night, 16°; partly cloudy

19 September, fri

	759 mmHg		70%
	4.1 m/s		+22

19 September, Friday. day, 23°; night, 15°; clear

20 September, sat

	759 mmHg		72%
	3.9 m/s		+22

20 September, Saturday. day, 23°; night, 16°; clear

21 September, sun

	759 mmHg		71%
	3.8 m/s		+23

21 September, Sunday. day, 24°; night, 16°; clear

22 September, mon

	758 mmHg		72%
	4.5 m/s		+22

22 September, Monday. day, 23°; night, 16°; partly cloudy

23 September, tue

	758 mmHg		70%
	4.5 m/s		+23

23 September, Tuesday. day, 23°; night, 16°; rain

24 September, wed

	759 mmHg		70%
	4.19 m/s		+22

24 September, Wednesday. day, 22°; night, 15°; clear

25 September, thu

	759 mmHg		71%
	4.1 m/s		+21

25 September, Thursday. day, 22°; night, 15°; partly cloudy

26 September, fri

	758 mmHg		75%
	4.19 m/s		+22

26 September, Friday. day, 22°; night, 15°; overcast

27 September, sat

	758 mmHg		77%
	4 m/s		+22

27 September, Saturday. day, 22°; night, 15°; overcast

28 September, sun

	757 mmHg		79%
	4.69 m/s		+21

28 September, Sunday. day, 22°; night, 16°; rain

29 September, mon

	757 mmHg		75%
	4.9 m/s		+21

29 September, Monday. day, 20°; night, 15°; rain

30 September, tue

	758 mmHg		73%
	4.4 m/s		+20

30 September, Tuesday. day, 19°; night, 14°; partly cloudy

1 October, wed

	758 mmHg		75%
	4.19 m/s		+20

1 October, Wednesday. day, 20°; night, 13°; partly cloudy

2 October, thu

	758 mmHg		73%
	4.4 m/s		+20

2 October, Thursday. day, 20°; night, 13°; clear

3 October, fri

	759 mmHg		74%
	4 m/s		+20

3 October, Friday. day, 20°; night, 13°; partly cloudy

4 October, sat

	759 mmHg		79%
	4.1 m/s		+20

4 October, Saturday. day, 20°; night, 13°; rain

Average data for 10 years

New York September

10

sunny days

9

days with precipitation

7

cloudy days

10 sunny days; 9 days with precipitation; 7 cloudy days;

72

%

air humidity

2.8

m/s

WindS

107

mm of precipitation

(9% of annual average)

+23

°C

Water temperature

air humidity 72%; 107 millimeters of precipitation (9% of annual average); Wind southerly 2.8 Meters per second; Water temperature +23°

Weather graphs for September

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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S

S

SW

S

S

S

S

S

S

S

S

S

SW

SW

S

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

6

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8

9

10

11

12

13

14

15

16

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18

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20

21

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29

30

Daytime temperature

Night-time temperature

Cities near you

Washington
Boston
Philadelphia
Islandia
Colchester
Jamaica
Brooklyn
Brookhaven
Lake George

Cities with similar weather in September

Gagra
Suhum
Istanbul
Pitsunda
Rimini
Tivat
The Sunny Beach
Aktau
Pomorie

The weather forecast for September 2025 is based on historical data from the past 10 years.

In September, the weather in New York is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, New York has 10 sunny, 9 rainy, 8 partly cloudy, and 3 cloudy days in September. The rains are usually heavy.

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