Average sea water temperature in September:
+76.7°F
| Minimum sea water temperature in September: | 84.4°F |
| Maximum sea water temperature in September: | 70.9°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 80.5°F. The highest and lowest sea temperatures during the month were 82.9°F and 78.4°F.
Monthly sea water temperature in Busan, °F
Which South Korea resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Jeju | 80.8°F | 82.5°F |
| Busan | 80.5°F | 77.8°F |
| Incheon | 78.7°F | 78.3°F |
| Seoul | 77.5°F | 76.6°F |
| Yongpyong | 75.6°F | 76.5°F |
Best time for vacation in Busan
Busan on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Busan
Local time: 13:31
September 16, wednesday
1500

77°F
SW
23 mph
23 mph
1800

75°F
SW
22 mph
22 mph
2100

75°F
SW
21 mph
21 mph
September 17, thursday
0000

73°F
SW
19 mph
19 mph
0300

72°F
SW
18 mph
18 mph
0600

73°F
SW
21 mph
21 mph
0900

75°F
SW
25 mph
25 mph
1200

75°F
SW
26 mph
26 mph


























