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September weather forecast in Ronkonkoma

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

	761 mmHg		67%
	6 m/s		+27

31 August, Sunday. day, 25°; night, 23°; clear

1 September, mon

	761 mmHg		73%
	5.3 m/s		+26

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

2 September, tue

	759 mmHg		72%
	6 m/s		+26

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

3 September, wed

	760 mmHg		69%
	6.3 m/s		+24

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

4 September, thu

	761 mmHg		69%
	6.4 m/s		+25

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

5 September, fri

	762 mmHg		73%
	7 m/s		+24

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

6 September, sat

	761 mmHg		75%
	7.4 m/s		+24

6 September, Saturday. day, 22°; night, 20°; partly cloudy

7 September, sun

	760 mmHg		69%
	7.1 m/s		+26

7 September, Sunday. day, 24°; night, 21°; partly cloudy

8 September, mon

	760 mmHg		72%
	6.9 m/s		+24

8 September, Monday. day, 23°; night, 21°; partly cloudy

9 September, tue

	761 mmHg		73%
	6.1 m/s		+25

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

10 September, wed

	761 mmHg		70%
	7.5 m/s		+24

10 September, Wednesday. day, 23°; night, 20°; partly cloudy

11 September, thu

	761 mmHg		70%
	6 m/s		+25

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

12 September, fri

	760 mmHg		73%
	6.1 m/s		+24

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

13 September, sat

	761 mmHg		68%
	6 m/s		+24

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

14 September, sun

	762 mmHg		68%
	6 m/s		+25

14 September, Sunday. day, 23°; night, 20°; clear

15 September, mon

	763 mmHg		67%
	6.3 m/s		+23

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

16 September, tue

	765 mmHg		63%
	5.5 m/s		+23

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

17 September, wed

	764 mmHg		67%
	5 m/s		+23

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

18 September, thu

	763 mmHg		70%
	7.5 m/s		+23

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

19 September, fri

	763 mmHg		68%
	6.9 m/s		+22

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

20 September, sat

	763 mmHg		73%
	6 m/s		+23

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

21 September, sun

	762 mmHg		69%
	5.5 m/s		+23

21 September, Sunday. day, 22°; night, 20°; partly cloudy

22 September, mon

	764 mmHg		72%
	5.9 m/s		+22

22 September, Monday. day, 21°; night, 19°; clear

23 September, tue

	764 mmHg		69%
	5.6 m/s		+23

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

24 September, wed

	764 mmHg		67%
	6.1 m/s		+22

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

25 September, thu

	764 mmHg		68%
	6.4 m/s		+21

25 September, Thursday. day, 20°; night, 18°; clear

26 September, fri

	762 mmHg		79%
	6.6 m/s		+22

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

27 September, sat

	759 mmHg		76%
	6.3 m/s		+23

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

28 September, sun

	759 mmHg		75%
	6 m/s		+22

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

29 September, mon

	759 mmHg		81%
	7.3 m/s		+21

29 September, Monday. day, 19°; night, 18°; rain

30 September, tue

	759 mmHg		77%
	6.8 m/s		+21

30 September, Tuesday. day, 18°; night, 16°; rain

1 October, wed

	761 mmHg		70%
	7 m/s		+20

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

2 October, thu

	762 mmHg		75%
	6.6 m/s		+20

2 October, Thursday. day, 17°; night, 16°; rain

3 October, fri

	761 mmHg		80%
	7 m/s		+20

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

4 October, sat

	762 mmHg		72%
	6.9 m/s		+20

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

Average data for 10 years

Ronkonkoma September

15

sunny days

9

days with precipitation

6

cloudy days

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

72

%

air humidity

4.5

m/s

WindNE

65

mm of precipitation

(8% of annual average)

+23

°C

Water temperature

air humidity 72%; 65 millimeters of precipitation (8% of annual average); Wind north-easterly 4.5 Meters per second; Water temperature +23°

Weather graphs for September

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

S

S

SW

SW

E

SE

NW

NW

N

NE

SE

SW

W

SW

N

NE

SE

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

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