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September weather forecast in Busan

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

	749 mmHg		76%
	5.5 m/s		+26

31 August, Sunday. day, 27°; night, 22°; overcast

1 September, mon

	750 mmHg		78%
	5.3 m/s		+26

1 September, Monday. day, 27°; night, 22°; rain

2 September, tue

	749 mmHg		79%
	5.2 m/s		+25

2 September, Tuesday. day, 27°; night, 22°; rain

3 September, wed

	750 mmHg		78%
	4.8 m/s		+25

3 September, Wednesday. day, 27°; night, 21°; rain

4 September, thu

	750 mmHg		76%
	4.69 m/s		+26

4 September, Thursday. day, 27°; night, 21°; partly cloudy

5 September, fri

	749 mmHg		78%
	5.4 m/s		+25

5 September, Friday. day, 27°; night, 21°; rain

6 September, sat

	748 mmHg		79%
	5.5 m/s		+25

6 September, Saturday. day, 26°; night, 21°; rain

7 September, sun

	749 mmHg		76%
	5.3 m/s		+25

7 September, Sunday. day, 27°; night, 20°; rain

8 September, mon

	751 mmHg		76%
	4.4 m/s		+25

8 September, Monday. day, 27°; night, 21°; partly cloudy

9 September, tue

	751 mmHg		78%
	4.19 m/s		+25

9 September, Tuesday. day, 26°; night, 20°; clear

10 September, wed

	751 mmHg		77%
	4.4 m/s		+25

10 September, Wednesday. day, 26°; night, 21°; overcast

11 September, thu

	751 mmHg		78%
	4.69 m/s		+25

11 September, Thursday. day, 26°; night, 21°; rain

12 September, fri

	752 mmHg		77%
	5.1 m/s		+25

12 September, Friday. day, 26°; night, 21°; overcast

13 September, sat

	752 mmHg		77%
	4.9 m/s		+25

13 September, Saturday. day, 26°; night, 20°; partly cloudy

14 September, sun

	752 mmHg		76%
	4.9 m/s		+25

14 September, Sunday. day, 26°; night, 20°; overcast

15 September, mon

	751 mmHg		76%
	5.7 m/s		+25

15 September, Monday. day, 26°; night, 20°; partly cloudy

16 September, tue

	750 mmHg		78%
	5.7 m/s		+25

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

17 September, wed

	750 mmHg		77%
	5.7 m/s		+25

17 September, Wednesday. day, 26°; night, 20°; rain

18 September, thu

	751 mmHg		75%
	5.3 m/s		+25

18 September, Thursday. day, 26°; night, 19°; clear

19 September, fri

	752 mmHg		73%
	4.8 m/s		+25

19 September, Friday. day, 26°; night, 19°; clear

20 September, sat

	752 mmHg		72%
	5.6 m/s		+25

20 September, Saturday. day, 25°; night, 19°; partly cloudy

21 September, sun

	752 mmHg		74%
	5.5 m/s		+24

21 September, Sunday. day, 24°; night, 18°; rain

22 September, mon

	753 mmHg		73%
	5.6 m/s		+24

22 September, Monday. day, 24°; night, 18°; clear

23 September, tue

	753 mmHg		73%
	4.9 m/s		+24

23 September, Tuesday. day, 24°; night, 18°; clear

24 September, wed

	753 mmHg		72%
	4.8 m/s		+24

24 September, Wednesday. day, 24°; night, 18°; clear

25 September, thu

	754 mmHg		72%
	4.6 m/s		+24

25 September, Thursday. day, 25°; night, 18°; partly cloudy

26 September, fri

	754 mmHg		71%
	4.6 m/s		+24

26 September, Friday. day, 24°; night, 18°; clear

27 September, sat

	754 mmHg		73%
	4.6 m/s		+24

27 September, Saturday. day, 24°; night, 18°; clear

28 September, sun

	754 mmHg		73%
	4.6 m/s		+24

28 September, Sunday. day, 24°; night, 18°; overcast

29 September, mon

	753 mmHg		74%
	4.69 m/s		+24

29 September, Monday. day, 23°; night, 18°; rain

30 September, tue

	753 mmHg		74%
	4.69 m/s		+24

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

1 October, wed

	752 mmHg		73%
	5 m/s		+24

1 October, Wednesday. day, 24°; night, 17°; rain

2 October, thu

	753 mmHg		69%
	4.6 m/s		+23

2 October, Thursday. day, 24°; night, 16°; partly cloudy

3 October, fri

	754 mmHg		71%
	4.69 m/s		+23

3 October, Friday. day, 24°; night, 16°; partly cloudy

4 October, sat

	754 mmHg		67%
	5.1 m/s		+23

4 October, Saturday. day, 23°; night, 16°; overcast

Average data for 10 years

Busan September

8

sunny days

11

days with precipitation

9

cloudy days

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

76

%

air humidity

3.4

m/s

WindSE

172

mm of precipitation

(13% of annual average)

+25

°C

Water temperature

air humidity 76%; 172 millimeters of precipitation (13% of annual average); Wind south-easterly 3.4 Meters per second; Water temperature +25°

Weather graphs for September

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

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SE

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SE

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SE

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SE

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SE

E

E

E

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SE

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SE

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SE

SE

E

E

E

SE

SE

SE

1

Average data for 10 years

2

3

4

5

6

7

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9

10

11

12

13

14

15

16

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20

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30

Daytime temperature

Night-time temperature

Cities near you

Seoul
Jeju
Fukuoka
Incheon
Hiroshima
Geoje
Ansan
Ulsan
Mokpo

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 Busan is typically warm. Average daily high temperature in September is about 26 degrees above zero. On average, Busan has 11 rainy, 8 sunny, 7 partly cloudy, and 4 cloudy days in September. The rains are usually heavy.

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