Average sea water temperature in September:
+72.9°F
| Minimum sea water temperature in September: | 80.2°F |
| Maximum sea water temperature in September: | 67.5°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 74.9°F. The highest and lowest sea temperatures during the month were 78.1°F and 73.6°F.
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| Yongpyong |
monthly
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| Yongpyong |
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| Yongpyong |
14 days
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| Yongpyong |
Monthly sea water temperature in Yongpyong, °F
Which South Korea resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Jeju | 79.1°F | 82.5°F |
| Busan | 78.9°F | 77.8°F |
| Incheon | 76.9°F | 78.3°F |
| Seoul | 75.8°F | 76.6°F |
| Yongpyong | 74.9°F | 76.5°F |
Best time for vacation in Yongpyong
Yongpyong on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Yongpyong
Local time: 02:02
October 27, tuesday
0300

52°F
NE
6 mph
6 mph
0600

48°F
E
6 mph
6 mph
0900

48°F
E
7 mph
7 mph
1200

52°F
E
13 mph
13 mph
1500

50°F
E
16 mph
16 mph
1800

41°F
E
12 mph
12 mph
2100

36°F
E
9 mph
9 mph
October 28, wednesday
0000

32°F
NE
7 mph
7 mph



























