Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Takahagi, Japan

Sea temperature

In Takahagi, Japan, the average seawater temperature in September is 23°C (73.4°F).
Note: 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 23°C (73.4°F).


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

What is the sea temperature in September in Takahagi?

In September, the average sea temperature in Takahagi is 23°C (73.4°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water.

How many hours of daylight does Takahagi have in September?

In September, the average length of the day in Takahagi is 12.4h.
Average sea temperature in September - Takahagi, Japan
  • Average sea temperature in September: 23°C

The best month for swimming (with the highest average sea temperature) is August (23.4°C).
The coldest month (with the lowest average sea temperature) is February (10.8°C).

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

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).