Current sea water temperature:
+75.0°F
| Minimum sea water temperature in September: | 81.0°F |
| Maximum sea water temperature in September: | 69.4°F |
| Average sea water temperature in September: | 75.0°F |
| more information | |
14 days
forecast
forecast
| Seoul |
monthly
weather
weather
| Seoul |
Sea water temperature for the last 10 days:
| September 15 | 75.0°F | September 10 | 77.0°F |
| September 14 | 75.6°F | September 9 | 76.8°F |
| September 13 | 75.2°F | September 8 | 77.4°F |
| September 12 | 75.9°F | September 7 | 78.1°F |
| September 11 | 76.1°F | September 6 | 78.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Seoul?
Based on the data about daily sea water temperature for the last three years the warmest sea in Seoul was noticed in August, September and July.
Monthly Sea Temperatures in Seoul, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 81.1°F. The highest and lowest sea temperatures during the month were 85.1°F and 79.3°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 77.5°F. The highest and lowest sea temperatures during the month were 79.7°F and 75.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.8°F. The highest and lowest sea temperatures during the month were 79.9°F and 74.1°F.
current
weather
weather
| Seoul |
weather in
September
September
| Seoul |
Best time for vacation in Seoul
Seoul on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Seoul
Local time: 12:33
September 16, wednesday
1500
82°F
W
4 mph
4 mph
1800
79°F
N
2 mph
2 mph
2100
73°F
S
1 mph
1 mph
September 17, thursday
0000
70°F
W
3 mph
3 mph
0300
66°F
W
3 mph
3 mph
0600
64°F
W
4 mph
4 mph
0900
70°F
W
4 mph
4 mph
1200
77°F
W
6 mph
6 mph
