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September weather forecast in Holtsville

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

1 September, sun

	758 mmHg		74%
	5.5 m/s		+26

1 September, Sunday. day, 24°; night, 23°; clear

2 September, mon

	757 mmHg		72%
	6.1 m/s		+26

2 September, Monday. day, 24°; night, 22°; rain

3 September, tue

	758 mmHg		69%
	6.5 m/s		+24

3 September, Tuesday. day, 23°; night, 22°; clear

4 September, wed

	759 mmHg		70%
	6.9 m/s		+25

4 September, Wednesday. day, 24°; night, 22°; partly cloudy

5 September, thu

	760 mmHg		73%
	7.4 m/s		+24

5 September, Thursday. day, 22°; night, 22°; rain

6 September, fri

	758 mmHg		76%
	8 m/s		+24

6 September, Friday. day, 22°; night, 21°; partly cloudy

7 September, sat

	758 mmHg		70%
	7.5 m/s		+26

7 September, Saturday. day, 24°; night, 22°; partly cloudy

8 September, sun

	758 mmHg		72%
	7.3 m/s		+24

8 September, Sunday. day, 22°; night, 21°; partly cloudy

9 September, mon

	759 mmHg		74%
	6.8 m/s		+25

9 September, Monday. day, 23°; night, 21°; clear

10 September, tue

	759 mmHg		72%
	8.1 m/s		+24

10 September, Tuesday. day, 22°; night, 20°; clear

11 September, wed

	759 mmHg		70%
	6.3 m/s		+25

11 September, Wednesday. day, 22°; night, 20°; clear

12 September, thu

	758 mmHg		74%
	6.5 m/s		+24

12 September, Thursday. day, 22°; night, 20°; clear

13 September, fri

	759 mmHg		68%
	6.3 m/s		+24

13 September, Friday. day, 22°; night, 20°; clear

14 September, sat

	760 mmHg		68%
	6.1 m/s		+25

14 September, Saturday. day, 22°; night, 20°; clear

15 September, sun

	761 mmHg		67%
	6.6 m/s		+23

15 September, Sunday. day, 21°; night, 20°; rain

16 September, mon

	762 mmHg		64%
	6 m/s		+23

16 September, Monday. day, 20°; night, 18°; rain

17 September, tue

	762 mmHg		68%
	5.4 m/s		+23

17 September, Tuesday. day, 21°; night, 18°; clear

18 September, wed

	761 mmHg		70%
	7.9 m/s		+23

18 September, Wednesday. day, 21°; night, 19°; clear

19 September, thu

	761 mmHg		68%
	7.3 m/s		+22

19 September, Thursday. day, 20°; night, 19°; clear

20 September, fri

	761 mmHg		73%
	6.4 m/s		+23

20 September, Friday. day, 21°; night, 19°; clear

21 September, sat

	760 mmHg		70%
	6 m/s		+23

21 September, Saturday. day, 21°; night, 20°; partly cloudy

22 September, sun

	761 mmHg		73%
	6.4 m/s		+22

22 September, Sunday. day, 21°; night, 19°; partly cloudy

23 September, mon

	761 mmHg		70%
	6.1 m/s		+23

23 September, Monday. day, 22°; night, 19°; clear

24 September, tue

	762 mmHg		68%
	6.5 m/s		+22

24 September, Tuesday. day, 20°; night, 19°; clear

25 September, wed

	762 mmHg		68%
	6.9 m/s		+21

25 September, Wednesday. day, 19°; night, 18°; clear

26 September, thu

	760 mmHg		79%
	7.1 m/s		+22

26 September, Thursday. day, 21°; night, 18°; rain

27 September, fri

	757 mmHg		76%
	6.6 m/s		+23

27 September, Friday. day, 22°; night, 20°; rain

28 September, sat

	757 mmHg		76%
	6.5 m/s		+22

28 September, Saturday. day, 20°; night, 20°; rain

29 September, sun

	757 mmHg		81%
	7.8 m/s		+20

29 September, Sunday. day, 19°; night, 19°; rain

30 September, mon

	757 mmHg		77%
	7.3 m/s		+19

30 September, Monday. day, 18°; night, 17°; rain

1 October, tue

	758 mmHg		70%
	7.6 m/s		+19

1 October, Tuesday. day, 18°; night, 16°; rain

2 October, wed

	760 mmHg		75%
	7 m/s		+19

2 October, Wednesday. day, 17°; night, 17°; rain

3 October, thu

	759 mmHg		80%
	7.5 m/s		+20

3 October, Thursday. day, 19°; night, 16°; rain

4 October, fri

	760 mmHg		72%
	7.3 m/s		+19

4 October, Friday. day, 19°; night, 17°; clear

5 October, sat

	760 mmHg		68%
	5.9 m/s		+21

5 October, Saturday. day, 19°; night, 16°; clear

Average data for 10 years

Holtsville September

15

sunny days

9

days with precipitation

6

cloudy days

15 sunny days; 9 days with precipitation; 6 cloudy days;

72

%

air humidity

5

m/s

WindNE

66

mm of precipitation

(8% of annual average)

+23

°C

Water temperature

air humidity 72%; 66 millimeters of precipitation (8% of annual average); Wind north-easterly 5 Meters per second; Water temperature +23°

Weather graphs for September

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

S

SE

SW

SW

E

SE

W

N

N

NE

SE

SW

W

SW

N

NE

E

SE

N

E

W

NE

N

NE

NE

E

S

S

NE

N

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

New York
Boston
Islandia
Philadelphia
Brooklyn
Jamaica
Colchester
Baltimore
Ocean City

Cities with similar weather in September

Gagra
Suhum
Pitsunda
Burgas
Varna
Tivat
The Sunny Beach
The Golden Sands
Chicago

The weather forecast for September 2024 is based on historical data from the past 10 years.

In September, the weather in Holtsville is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Holtsville has 15 sunny, 9 rainy, and 6 partly cloudy days in September. The rains are usually moderate.

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