The South Korea resorts with the warmest sea water temperature in September are Jeju, Busan and Incheon.
Below you can see a list of all popular South Korea resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2024 | September 2023 | September 2022 |
|---|---|---|---|
| Jeju | 86.3°F | 83.6°F | 81.0°F |
| Busan | 85.1°F | 81.4°F | 79.1°F |
| Incheon | 83.4°F | 79.7°F | 77.1°F |
| Seoul | 81.4°F | 78.3°F | 76.6°F |
| Yongpyong | 79.0°F | 77.1°F | 74.8°F |
Please see following sea water temperature averages charts for the warmest South Korea resorts in September.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
63.8
68.5
74.7
80.1
84.5
79.2
70.3
63.3
59.7
57.6
58
60.3
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
61.3
66.6
73.3
79.4
83
76.9
69.8
62.6
58.3
55.9
55.6
57.4
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
45.8
57.9
69.1
78
82
77.1
69.4
58.7
48.6
40.1
35.5
38
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
