South Korea
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Goyang, South Korea

  • Average sea temperature in September: 21.9°C

The best month for swimming (with the highest average sea temperature) is August (23.3°C).
The coldest month (with the lowest average sea temperature) is February (3.7°C).

  • Average daylight in September: 13.3h

The month with the longest days is June (Average daylight: 15.8h).
The month with shortest days is December (Average daylight: 10.6h).