Swimming in Incheon in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Incheon in september 2025.
In september, according to seasonal norms, the sea temperature in Incheon is:
Minimum: 69°F
Average: 72°F
Maximum: 75°F
Other useful seasonal weather averages in september:
- Outside temperature: 68°F to 79°F
- Most common weather: "Clear/Sunny"
- The wind blows at 12.4mph
- It rains a total of 6.2in, over 5 day(s).
Should we swim in Incheon in september?
Yes! The water temperature in Incheon in september is pleasant
Swimming in september is pleasant in Incheon and the surrounding area. The sea temperature is 72°F on average (min/max: 69°F/75°F), allowing you to swim for a long time and enjoy water sports.
Note also that in september, the climate is good with an average outside temperature of 73°F, 6.1in of precipitation (over 5 days) and 78.09 % humidity.
Water and normal seasonal temperatures in Incheon in september
| September | |||
| Average sea temperature | 72°F | ||
| Minimum sea temperature | 69°F | ||
| Maximum sea temperature | 75°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 79°F | ||
| Minimum outside temperature | 68°F | ||
| Wind speed | 8.7mph | ||
| Wind temperature | 68°F | ||
| Precipitation | 6.2in | ||
| Number of days of rain | 5 jour(s) (16%) | ||
| Humidity | 79% | ||
| Visibility in kilometers | 9.51km | ||
| Cloud cover | 32% | ||
| Our opinion | pleasant swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Incheon
Swim elsewhere in South Korea in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Busan in september | 77°F | 81°F | pleasant swimming | Jeju Island (Jejudo) in september | 77°F | 80°F | pleasant swimming | Gangneung in september | 72°F | 77°F | pleasant swimming | Pohang in september | 75°F | 79°F | pleasant swimming | Sokcho in september | 71°F | 76°F | pleasant swimming |