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September weather forecast in Yangsan

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

	722 mmHg		78%
	4.19 m/s		+26

31 August, Sunday. day, 26°; night, 20°; overcast

1 September, mon

	723 mmHg		80%
	4.19 m/s		+26

1 September, Monday. day, 27°; night, 20°; partly cloudy

2 September, tue

	723 mmHg		81%
	4 m/s		+25

2 September, Tuesday. day, 26°; night, 20°; rain

3 September, wed

	723 mmHg		81%
	3.8 m/s		+25

3 September, Wednesday. day, 26°; night, 19°; rain

4 September, thu

	723 mmHg		78%
	3.7 m/s		+26

4 September, Thursday. day, 27°; night, 19°; partly cloudy

5 September, fri

	722 mmHg		80%
	4.1 m/s		+25

5 September, Friday. day, 26°; night, 19°; rain

6 September, sat

	721 mmHg		82%
	4.19 m/s		+25

6 September, Saturday. day, 25°; night, 19°; rain

7 September, sun

	722 mmHg		79%
	4 m/s		+25

7 September, Sunday. day, 26°; night, 18°; rain

8 September, mon

	724 mmHg		78%
	3.5 m/s		+25

8 September, Monday. day, 26°; night, 19°; overcast

9 September, tue

	724 mmHg		79%
	3.2 m/s		+25

9 September, Tuesday. day, 26°; night, 18°; rain

10 September, wed

	724 mmHg		79%
	3.4 m/s		+25

10 September, Wednesday. day, 26°; night, 19°; rain

11 September, thu

	724 mmHg		80%
	3.5 m/s		+25

11 September, Thursday. day, 26°; night, 19°; rain

12 September, fri

	725 mmHg		80%
	3.9 m/s		+25

12 September, Friday. day, 26°; night, 19°; rain

13 September, sat

	725 mmHg		79%
	3.9 m/s		+25

13 September, Saturday. day, 25°; night, 18°; partly cloudy

14 September, sun

	725 mmHg		79%
	3.7 m/s		+25

14 September, Sunday. day, 25°; night, 18°; overcast

15 September, mon

	724 mmHg		79%
	4.3 m/s		+25

15 September, Monday. day, 25°; night, 18°; overcast

16 September, tue

	723 mmHg		80%
	4.3 m/s		+25

16 September, Tuesday. day, 25°; night, 18°; rain

17 September, wed

	723 mmHg		79%
	4.3 m/s		+25

17 September, Wednesday. day, 25°; night, 17°; rain

18 September, thu

	724 mmHg		77%
	4.1 m/s		+25

18 September, Thursday. day, 26°; night, 17°; clear

19 September, fri

	725 mmHg		75%
	3.7 m/s		+25

19 September, Friday. day, 25°; night, 17°; partly cloudy

20 September, sat

	724 mmHg		75%
	4.1 m/s		+25

20 September, Saturday. day, 24°; night, 16°; partly cloudy

21 September, sun

	725 mmHg		78%
	4.19 m/s		+24

21 September, Sunday. day, 23°; night, 16°; partly cloudy

22 September, mon

	725 mmHg		77%
	4.4 m/s		+24

22 September, Monday. day, 23°; night, 15°; clear

23 September, tue

	726 mmHg		77%
	3.7 m/s		+24

23 September, Tuesday. day, 23°; night, 15°; clear

24 September, wed

	726 mmHg		75%
	3.7 m/s		+24

24 September, Wednesday. day, 24°; night, 15°; clear

25 September, thu

	726 mmHg		76%
	3.6 m/s		+24

25 September, Thursday. day, 24°; night, 15°; partly cloudy

26 September, fri

	726 mmHg		75%
	3.5 m/s		+24

26 September, Friday. day, 23°; night, 15°; clear

27 September, sat

	726 mmHg		77%
	3.6 m/s		+24

27 September, Saturday. day, 23°; night, 15°; clear

28 September, sun

	726 mmHg		77%
	3.5 m/s		+24

28 September, Sunday. day, 23°; night, 15°; overcast

29 September, mon

	726 mmHg		78%
	3.6 m/s		+24

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

30 September, tue

	725 mmHg		77%
	3.6 m/s		+24

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

1 October, wed

	725 mmHg		76%
	3.8 m/s		+24

1 October, Wednesday. day, 23°; night, 15°; rain

2 October, thu

	725 mmHg		72%
	3.6 m/s		+23

2 October, Thursday. day, 23°; night, 14°; rain

3 October, fri

	726 mmHg		73%
	3.6 m/s		+23

3 October, Friday. day, 23°; night, 13°; rain

4 October, sat

	727 mmHg		70%
	4 m/s		+23

4 October, Saturday. day, 23°; night, 13°; overcast

Average data for 10 years

Yangsan September

6

sunny days

12

days with precipitation

11

cloudy days

6 sunny days; 12 days with precipitation; 11 cloudy days;

78

%

air humidity

2.4

m/s

WindSE

189

mm of precipitation

(14% of annual average)

+25

°C

Water temperature

air humidity 78%; 189 millimeters of precipitation (14% of annual average); Wind south-easterly 2.4 Meters per second; Water temperature +25°

Weather graphs for September

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

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1

Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Seoul
Busan
Jeju
Fukuoka
Incheon
Hiroshima
Geoje
Ansan
Ulsan

Cities with similar weather in September

Istanbul
Baku
Batumi
Budva
Heraklion
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 Yangsan is typically warm. Average daily high temperature in September is about 25 degrees above zero. On average, Yangsan has 12 rainy, 8 partly cloudy, 6 sunny, and 4 cloudy days in September. The rains are usually heavy.

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