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September weather forecast in Wonsan

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

	719 mmHg		84%
	3.4 m/s		+23

31 August, Sunday. day, 25°; night, 18°; clear

1 September, mon

	720 mmHg		84%
	3.5 m/s		+23

1 September, Monday. day, 25°; night, 18°; rain

2 September, tue

	720 mmHg		86%
	3.6 m/s		+23

2 September, Tuesday. day, 25°; night, 17°; rain

3 September, wed

	720 mmHg		85%
	3.1 m/s		+23

3 September, Wednesday. day, 25°; night, 17°; overcast

4 September, thu

	720 mmHg		84%
	3.2 m/s		+23

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

5 September, fri

	720 mmHg		84%
	3.2 m/s		+23

5 September, Friday. day, 24°; night, 17°; rain

6 September, sat

	720 mmHg		83%
	3.7 m/s		+24

6 September, Saturday. day, 24°; night, 16°; rain

7 September, sun

	719 mmHg		83%
	3.5 m/s		+24

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

8 September, mon

	721 mmHg		80%
	3.4 m/s		+22

8 September, Monday. day, 25°; night, 17°; clear

9 September, tue

	721 mmHg		83%
	3.2 m/s		+23

9 September, Tuesday. day, 24°; night, 16°; rain

10 September, wed

	722 mmHg		82%
	3.3 m/s		+22

10 September, Wednesday. day, 24°; night, 16°; rain

11 September, thu

	722 mmHg		84%
	3.3 m/s		+22

11 September, Thursday. day, 23°; night, 16°; rain

12 September, fri

	722 mmHg		84%
	3.2 m/s		+22

12 September, Friday. day, 23°; night, 15°; rain

13 September, sat

	722 mmHg		85%
	3.1 m/s		+22

13 September, Saturday. day, 23°; night, 16°; rain

14 September, sun

	723 mmHg		85%
	3.2 m/s		+23

14 September, Sunday. day, 23°; night, 16°; rain

15 September, mon

	722 mmHg		84%
	3.4 m/s		+23

15 September, Monday. day, 23°; night, 15°; rain

16 September, tue

	721 mmHg		82%
	3.2 m/s		+22

16 September, Tuesday. day, 23°; night, 15°; partly cloudy

17 September, wed

	721 mmHg		82%
	3.6 m/s		+22

17 September, Wednesday. day, 23°; night, 15°; partly cloudy

18 September, thu

	722 mmHg		79%
	3.5 m/s		+22

18 September, Thursday. day, 24°; night, 14°; clear

19 September, fri

	722 mmHg		81%
	3.4 m/s		+21

19 September, Friday. day, 22°; night, 14°; partly cloudy

20 September, sat

	722 mmHg		82%
	3.5 m/s		+21

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

21 September, sun

	723 mmHg		84%
	3.3 m/s		+21

21 September, Sunday. day, 21°; night, 12°; partly cloudy

22 September, mon

	723 mmHg		81%
	3.4 m/s		+21

22 September, Monday. day, 21°; night, 12°; clear

23 September, tue

	723 mmHg		80%
	3.2 m/s		+21

23 September, Tuesday. day, 22°; night, 13°; clear

24 September, wed

	723 mmHg		83%
	3.2 m/s		+21

24 September, Wednesday. day, 22°; night, 13°; clear

25 September, thu

	724 mmHg		82%
	3.2 m/s		+21

25 September, Thursday. day, 22°; night, 13°; partly cloudy

26 September, fri

	724 mmHg		81%
	2.8 m/s		+20

26 September, Friday. day, 22°; night, 13°; partly cloudy

27 September, sat

	724 mmHg		81%
	3.1 m/s		+21

27 September, Saturday. day, 22°; night, 13°; partly cloudy

28 September, sun

	724 mmHg		80%
	3.4 m/s		+20

28 September, Sunday. day, 21°; night, 12°; partly cloudy

29 September, mon

	723 mmHg		80%
	3.4 m/s		+19

29 September, Monday. day, 21°; night, 12°; clear

30 September, tue

	723 mmHg		80%
	3.4 m/s		+20

30 September, Tuesday. day, 21°; night, 12°; clear

1 October, wed

	722 mmHg		80%
	3.6 m/s		+19

1 October, Wednesday. day, 20°; night, 12°; overcast

2 October, thu

	722 mmHg		74%
	4.1 m/s		+19

2 October, Thursday. day, 21°; night, 11°; rain

3 October, fri

	723 mmHg		75%
	3.5 m/s		+19

3 October, Friday. day, 20°; night, 10°; rain

4 October, sat

	724 mmHg		76%
	3.7 m/s		+19

4 October, Saturday. day, 20°; night, 10°; partly cloudy

Average data for 10 years

Wonsan September

8

sunny days

12

days with precipitation

10

cloudy days

8 sunny days; 12 days with precipitation; 10 cloudy days;

82

%

air humidity

2

m/s

WindSE

147

mm of precipitation

(12% of annual average)

+22

°C

Water temperature

air humidity 82%; 147 millimeters of precipitation (12% of annual average); Wind south-easterly 2 Meters per second; Water temperature +22°

Weather graphs for September

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

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SE

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1

Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Seoul
Pyongyang
Incheon
Daejeon
Chongjin
Ansan
Chuncheon
Jeonju
Cheongju

Cities with similar weather in September

Suhum
Burgas
Varna
Tivat
The Sunny Beach
Podgorica
The Golden Sands
Chicago
Porto

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

In September, the weather in Wonsan is typically warm. Average daily high temperature in September is about 23 degrees above zero. On average, Wonsan has 12 rainy, 8 sunny, 8 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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