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September weather forecast in Isle of Palms

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		84%
	3.8 m/s		+28

31 August, Sunday. day, 30°; night, 23°; overcast

1 September, mon

	761 mmHg		83%
	3.7 m/s		+28

1 September, Monday. day, 30°; night, 23°; rain

2 September, tue

	761 mmHg		83%
	4 m/s		+28

2 September, Tuesday. day, 29°; night, 22°; rain

3 September, wed

	761 mmHg		80%
	4.1 m/s		+28

3 September, Wednesday. day, 30°; night, 22°; clear

4 September, thu

	761 mmHg		79%
	4.1 m/s		+29

4 September, Thursday. day, 30°; night, 22°; clear

5 September, fri

	761 mmHg		81%
	4.4 m/s		+28

5 September, Friday. day, 29°; night, 22°; rain

6 September, sat

	761 mmHg		81%
	4.8 m/s		+28

6 September, Saturday. day, 29°; night, 22°; rain

7 September, sun

	761 mmHg		81%
	4 m/s		+29

7 September, Sunday. day, 29°; night, 22°; partly cloudy

8 September, mon

	760 mmHg		82%
	3.8 m/s		+29

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

9 September, tue

	761 mmHg		82%
	3.8 m/s		+28

9 September, Tuesday. day, 29°; night, 21°; partly cloudy

10 September, wed

	762 mmHg		80%
	3.5 m/s		+28

10 September, Wednesday. day, 29°; night, 21°; clear

11 September, thu

	762 mmHg		80%
	3.9 m/s		+28

11 September, Thursday. day, 29°; night, 21°; rain

12 September, fri

	762 mmHg		80%
	3.9 m/s		+28

12 September, Friday. day, 29°; night, 21°; rain

13 September, sat

	761 mmHg		81%
	3.6 m/s		+28

13 September, Saturday. day, 29°; night, 21°; partly cloudy

14 September, sun

	761 mmHg		81%
	4 m/s		+28

14 September, Sunday. day, 29°; night, 21°; rain

15 September, mon

	761 mmHg		81%
	4.5 m/s		+28

15 September, Monday. day, 29°; night, 21°; partly cloudy

16 September, tue

	761 mmHg		80%
	4.4 m/s		+28

16 September, Tuesday. day, 28°; night, 21°; rain

17 September, wed

	761 mmHg		80%
	4 m/s		+28

17 September, Wednesday. day, 28°; night, 20°; overcast

18 September, thu

	761 mmHg		80%
	4 m/s		+27

18 September, Thursday. day, 28°; night, 21°; rain

19 September, fri

	762 mmHg		79%
	3.9 m/s		+28

19 September, Friday. day, 28°; night, 20°; clear

20 September, sat

	762 mmHg		80%
	3.6 m/s		+27

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

21 September, sun

	762 mmHg		81%
	3.5 m/s		+27

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

22 September, mon

	762 mmHg		81%
	3.7 m/s		+27

22 September, Monday. day, 28°; night, 21°; rain

23 September, tue

	762 mmHg		80%
	3.9 m/s		+27

23 September, Tuesday. day, 28°; night, 20°; partly cloudy

24 September, wed

	762 mmHg		81%
	3.8 m/s		+27

24 September, Wednesday. day, 27°; night, 19°; clear

25 September, thu

	761 mmHg		82%
	3.9 m/s		+27

25 September, Thursday. day, 28°; night, 19°; partly cloudy

26 September, fri

	761 mmHg		84%
	3.9 m/s		+27

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

27 September, sat

	760 mmHg		82%
	4.19 m/s		+27

27 September, Saturday. day, 28°; night, 20°; overcast

28 September, sun

	760 mmHg		80%
	4 m/s		+27

28 September, Sunday. day, 28°; night, 20°; partly cloudy

29 September, mon

	760 mmHg		78%
	3.9 m/s		+27

29 September, Monday. day, 27°; night, 20°; clear

30 September, tue

	761 mmHg		79%
	4.4 m/s		+26

30 September, Tuesday. day, 26°; night, 19°; rain

1 October, wed

	761 mmHg		78%
	3.9 m/s		+26

1 October, Wednesday. day, 26°; night, 18°; clear

2 October, thu

	762 mmHg		77%
	3.9 m/s		+26

2 October, Thursday. day, 26°; night, 17°; clear

3 October, fri

	763 mmHg		79%
	3.7 m/s		+26

3 October, Friday. day, 27°; night, 17°; partly cloudy

4 October, sat

	763 mmHg		80%
	3.7 m/s		+26

4 October, Saturday. day, 26°; night, 18°; rain

Average data for 10 years

Isle of Palms September

7

sunny days

14

days with precipitation

8

cloudy days

7 sunny days; 14 days with precipitation; 8 cloudy days;

81

%

air humidity

2.7

m/s

WindSE

139

mm of precipitation

(11% of annual average)

+28

°C

Water temperature

air humidity 81%; 139 millimeters of precipitation (11% of annual average); Wind south-easterly 2.7 Meters per second; Water temperature +28°

Weather graphs for September

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

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SE

1

Average data for 10 years

2

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10

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30

Daytime temperature

Night-time temperature

Cities near you

Charlotte
Columbia
Raleigh
Atlantic Beach
Jacksonville
Greenville
Charleston
Cary
Savannah

Cities with similar weather in September

Antalya
Alanya
Side
Belek
Marmaris
Larnaca
Tel Aviv
Paphos
Jerba

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

In September, the weather in Isle of Palms is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Isle of Palms has 14 rainy, 7 sunny, 7 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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