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

September weather forecast and climate
Gangneung, South Korea

Sea temperature

In September, the average sea temperature in Gangneung, South Korea, is 21.8°C (71.2°F).
Note: For swimming, a surface water temperature of 21.8°C (71.2°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In September, the average length of the day is 12.4h.

How cold is the water in September in Gangneung?

In September, the average sea temperature in Gangneung is 21.8°C (71.2°F). For swimming, a surface water temperature of 21.8°C (71.2°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in September in Gangneung?

In September, the average length of the day in Gangneung is 12.4h.
Average sea temperature in September - Gangneung, South Korea
  • Average sea temperature in September: 21.8°C

The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight in September - Gangneung, South Korea
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).