Kudamatsu
Japan
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Kudamatsu, Japan

Sea temperature

In Kudamatsu, Japan, the average seawater temperature in September is 24.8°C (76.6°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.8°C (76.6°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

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

What is the water temperature in September in Kudamatsu?

In September, the average sea temperature in Kudamatsu, Japan, is 24.8°C (76.6°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.8°C (76.6°F).

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

In Kudamatsu, the average length of the day in September is 12.4h.
Average sea temperature in September - Kudamatsu, Japan
  • Average sea temperature in September: 24.8°C

The best month for swimming (with the highest average sea temperature) is August (25.8°C).
Coldest months (with the lowest average sea temperature) are February and March (10.3°C).

Average daylight in September - Kudamatsu, Japan
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).