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September weather forecast in Atlantic City

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

	762 mmHg		73%
	5.3 m/s		+25

31 August, Sunday. day, 27°; night, 21°; partly cloudy

1 September, mon

	762 mmHg		71%
	5.3 m/s		+25

1 September, Monday. day, 27°; night, 21°; rain

2 September, tue

	762 mmHg		73%
	5.3 m/s		+25

2 September, Tuesday. day, 26°; night, 20°; partly cloudy

3 September, wed

	762 mmHg		74%
	4.69 m/s		+25

3 September, Wednesday. day, 26°; night, 20°; overcast

4 September, thu

	761 mmHg		72%
	4.69 m/s		+25

4 September, Thursday. day, 27°; night, 20°; clear

5 September, fri

	763 mmHg		71%
	5.3 m/s		+25

5 September, Friday. day, 26°; night, 20°; clear

6 September, sat

	763 mmHg		74%
	5.6 m/s		+24

6 September, Saturday. day, 26°; night, 20°; clear

7 September, sun

	762 mmHg		75%
	5.2 m/s		+25

7 September, Sunday. day, 26°; night, 19°; clear

8 September, mon

	761 mmHg		75%
	5.1 m/s		+24

8 September, Monday. day, 26°; night, 20°; clear

9 September, tue

	762 mmHg		75%
	5.3 m/s		+24

9 September, Tuesday. day, 25°; night, 19°; partly cloudy

10 September, wed

	763 mmHg		75%
	5.1 m/s		+24

10 September, Wednesday. day, 25°; night, 19°; rain

11 September, thu

	763 mmHg		74%
	5.2 m/s		+23

11 September, Thursday. day, 25°; night, 19°; rain

12 September, fri

	763 mmHg		72%
	4.69 m/s		+23

12 September, Friday. day, 25°; night, 18°; rain

13 September, sat

	762 mmHg		75%
	4.8 m/s		+24

13 September, Saturday. day, 26°; night, 19°; clear

14 September, sun

	762 mmHg		74%
	5 m/s		+24

14 September, Sunday. day, 25°; night, 19°; clear

15 September, mon

	763 mmHg		71%
	5.2 m/s		+24

15 September, Monday. day, 25°; night, 19°; rain

16 September, tue

	763 mmHg		72%
	4.9 m/s		+23

16 September, Tuesday. day, 24°; night, 17°; partly cloudy

17 September, wed

	763 mmHg		74%
	5.2 m/s		+23

17 September, Wednesday. day, 24°; night, 17°; partly cloudy

18 September, thu

	762 mmHg		76%
	5.5 m/s		+23

18 September, Thursday. day, 24°; night, 18°; rain

19 September, fri

	763 mmHg		73%
	5.5 m/s		+22

19 September, Friday. day, 23°; night, 17°; clear

20 September, sat

	763 mmHg		73%
	4.69 m/s		+22

20 September, Saturday. day, 24°; night, 17°; clear

21 September, sun

	764 mmHg		73%
	4.69 m/s		+23

21 September, Sunday. day, 24°; night, 17°; clear

22 September, mon

	762 mmHg		74%
	5.3 m/s		+23

22 September, Monday. day, 24°; night, 18°; partly cloudy

23 September, tue

	762 mmHg		71%
	5.8 m/s		+23

23 September, Tuesday. day, 23°; night, 18°; clear

24 September, wed

	763 mmHg		71%
	5.5 m/s		+22

24 September, Wednesday. day, 23°; night, 16°; overcast

25 September, thu

	763 mmHg		73%
	5.4 m/s		+21

25 September, Thursday. day, 23°; night, 17°; rain

26 September, fri

	762 mmHg		76%
	5.5 m/s		+22

26 September, Friday. day, 23°; night, 17°; overcast

27 September, sat

	762 mmHg		77%
	5.2 m/s		+22

27 September, Saturday. day, 23°; night, 18°; overcast

28 September, sun

	761 mmHg		78%
	5.7 m/s		+22

28 September, Sunday. day, 23°; night, 18°; rain

29 September, mon

	761 mmHg		74%
	6.1 m/s		+22

29 September, Monday. day, 22°; night, 17°; rain

30 September, tue

	762 mmHg		72%
	5.6 m/s		+21

30 September, Tuesday. day, 21°; night, 15°; partly cloudy

1 October, wed

	762 mmHg		74%
	5.3 m/s		+21

1 October, Wednesday. day, 21°; night, 15°; partly cloudy

2 October, thu

	763 mmHg		72%
	5.4 m/s		+21

2 October, Thursday. day, 21°; night, 14°; clear

3 October, fri

	763 mmHg		75%
	5.2 m/s		+20

3 October, Friday. day, 22°; night, 15°; rain

4 October, sat

	763 mmHg		78%
	5.4 m/s		+20

4 October, Saturday. day, 22°; night, 15°; overcast

Average data for 10 years

Atlantic City September

11

sunny days

9

days with precipitation

7

cloudy days

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

74

%

air humidity

3.6

m/s

WindS

96

mm of precipitation

(9% of annual average)

+23

°C

Water temperature

air humidity 74%; 96 millimeters of precipitation (9% of annual average); Wind southerly 3.6 Meters per second; Water temperature +23°

Weather graphs for September

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

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S

S

S

S

SE

S

S

S

S

S

S

S

S

S

S

SE

S

SE

S

S

S

S

S

S

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

6

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8

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10

11

12

13

14

15

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18

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30

Daytime temperature

Night-time temperature

Cities near you

New York
Washington
Philadelphia
Islandia
Jamaica
Brooklyn
Brookhaven
Richmond
Port Murray

Cities with similar weather in September

Gagra
Istanbul
Baku
Pitsunda
Budva
Rimini
Venice
New Athos
Nice

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

In September, the weather in Atlantic City is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, Atlantic City has 11 sunny, 9 rainy, 6 partly cloudy, and 4 cloudy days in September. The rains are usually heavy.

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