BusanSouth Korea · East Asia · September

September climate

CityBeachFood

September in Busan

South Korea · East Asia

Warm days and some sun. Typhoon risk near peak is the main drawback.

Some tradeoffs

Daytime high

80°F

Lows around 69°F

Rain

Several rainy days

Sun

8.5 h/day

Air feel

Humid

Sea temp

76°F

Warm sea

When to visit

Month-by-month fit

Best

Switch month

Temperature

Warm by day, mild at night.

80°Ftypical September high

Typical range

Precipitation

Several rainy days. About 11 wet days, more than in most months.

37%wet-day frequency

AmountWet-day chance

Sunshine

Cloudier spells limit sunshine.

8.5 hSeptember sunshine

Heat & humidity by month

Warm days, with humid periods.

52%September Heat feel

Easy airWarm airHot airHumid airVery humid air

Hourly temperature pattern

In September, afternoons feel about 80° and nights feel near 71°.

FreezingVery coldColdCoolComfortableWarmHotNight hours

Clear sky

Mostly cloudy skies this month.

38%September Clear sky

Clear skyCloud

Wind pattern

Calm winds are typical in September.

8 mphSeptember Light breeze

Sea temperature

76°FSeptember sea temp

More detailIncludes daypart comfort

Typical September day

September late afternoons are around 79°F, easing to about 74°F in early evening.

Avg temp Typical range

Morning75°F

Rain20%

Cloud62%

Humid airModerate

Sun intensityModerate

Midday79°F

Rain22%

Cloud67%

Humid airModerate

Sun intensityStrong

Late afternoon79°F

Rain19%

Cloud64%

Humid airHigh

Sun intensityModerate

Early evening74°F

Rain14%

Cloud58%

Humid airHigh

Sun intensityMinimal

Best window

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	31	1.2	4	7.8	50	58
Feb	50	34	1.7	5	8.7	51	55
Mar	58	42	3.1	8	8.8	55	55
Apr	67	50	4.4	8	9.7	61	58
May	74	58	4.7	8	9.9	67	62
Jun	79	67	6.7	10	9.2	77	69
Jul	84	74	9.1	14	8.7	83	75
Aug	87	76	8.1	14	9.4	80	80
Sep	80	69	6.7	11	8.5	76	76
Oct	72	57	3.1	6	8.8	67	72
Nov	62	45	2.0	4	8.0	60	67
Dec	50	34	1.1	3	7.9	53	62

Similar climates

Want a side-by-side climate view? Compare Busan with Valencia.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Sunshine: source type is not yet identified at metric level.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 1, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Sea°F

Jan

1.2

7.8

Feb

1.7

8.7

Mar

3.1

8.8

Apr

4.4

9.7

May

4.7

9.9

Jun

6.7

9.2

Jul

9.1

8.7

Aug

8.1

9.4

Sep

6.7

8.5

Oct

3.1

8.8

Nov

2.0

8.0

Dec

1.1

7.9

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	31	1.2	4	7.8	50	58
Feb	50	34	1.7	5	8.7	51	55
Mar	58	42	3.1	8	8.8	55	55
Apr	67	50	4.4	8	9.7	61	58
May	74	58	4.7	8	9.9	67	62
Jun	79	67	6.7	10	9.2	77	69
Jul	84	74	9.1	14	8.7	83	75
Aug	87	76	8.1	14	9.4	80	80
Sep	80	69	6.7	11	8.5	76	76
Oct	72	57	3.1	6	8.8	67	72
Nov	62	45	2.0	4	8.0	60	67
Dec	50	34	1.1	3	7.9	53	62

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	31	1.2	4	7.8	50	58
Feb	50	34	1.7	5	8.7	51	55
Mar	58	42	3.1	8	8.8	55	55
Apr	67	50	4.4	8	9.7	61	58
May	74	58	4.7	8	9.9	67	62
Jun	79	67	6.7	10	9.2	77	69
Jul	84	74	9.1	14	8.7	83	75
Aug	87	76	8.1	14	9.4	80	80
Sep	80	69	6.7	11	8.5	76	76
Oct	72	57	3.1	6	8.8	67	72
Nov	62	45	2.0	4	8.0	60	67
Dec	50	34	1.1	3	7.9	53	62

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	31	1.2	4	7.8	50	58
Feb	50	34	1.7	5	8.7	51	55
Mar	58	42	3.1	8	8.8	55	55
Apr	67	50	4.4	8	9.7	61	58
May	74	58	4.7	8	9.9	67	62
Jun	79	67	6.7	10	9.2	77	69
Jul	84	74	9.1	14	8.7	83	75
Aug	87	76	8.1	14	9.4	80	80
Sep	80	69	6.7	11	8.5	76	76
Oct	72	57	3.1	6	8.8	67	72
Nov	62	45	2.0	4	8.0	60	67
Dec	50	34	1.1	3	7.9	53	62

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	31	1.2	4	7.8	50	58
Feb	50	34	1.7	5	8.7	51	55
Mar	58	42	3.1	8	8.8	55	55
Apr	67	50	4.4	8	9.7	61	58
May	74	58	4.7	8	9.9	67	62
Jun	79	67	6.7	10	9.2	77	69
Jul	84	74	9.1	14	8.7	83	75
Aug	87	76	8.1	14	9.4	80	80
Sep	80	69	6.7	11	8.5	76	76
Oct	72	57	3.1	6	8.8	67	72
Nov	62	45	2.0	4	8.0	60	67
Dec	50	34	1.1	3	7.9	53	62

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	31	1.2	4	7.8	50	58
Feb	50	34	1.7	5	8.7	51	55
Mar	58	42	3.1	8	8.8	55	55
Apr	67	50	4.4	8	9.7	61	58
May	74	58	4.7	8	9.9	67	62
Jun	79	67	6.7	10	9.2	77	69
Jul	84	74	9.1	14	8.7	83	75
Aug	87	76	8.1	14	9.4	80	80
Sep	80	69	6.7	11	8.5	76	76
Oct	72	57	3.1	6	8.8	67	72
Nov	62	45	2.0	4	8.0	60	67
Dec	50	34	1.1	3	7.9	53	62

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	31	1.2	4	7.8	50	58
Feb	50	34	1.7	5	8.7	51	55
Mar	58	42	3.1	8	8.8	55	55
Apr	67	50	4.4	8	9.7	61	58
May	74	58	4.7	8	9.9	67	62
Jun	79	67	6.7	10	9.2	77	69
Jul	84	74	9.1	14	8.7	83	75
Aug	87	76	8.1	14	9.4	80	80
Sep	80	69	6.7	11	8.5	76	76
Oct	72	57	3.1	6	8.8	67	72
Nov	62	45	2.0	4	8.0	60	67
Dec	50	34	1.1	3	7.9	53	62