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 78.9°F. The highest and lowest sea temperatures during the month were 82.9°F and 76.3°F.
Monthly sea water temperature in Busan, °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 Busan
Busan on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Busan
Local time: 02:52
October 27, tuesday
0300

61°F
SE
7 mph
7 mph
0600

61°F
SE
11 mph
11 mph
0900

63°F
SE
16 mph
16 mph
1200

63°F
SE
21 mph
21 mph
1500

64°F
SE
17 mph
17 mph
1800

61°F
SE
14 mph
14 mph
2100

55°F
SE
19 mph
19 mph
October 28, wednesday
0000

50°F
SE
16 mph
16 mph



























