September weather forecastTsukumi, Japan
September weather for Tsukumi, Japan: The perfect water temperature of 26°C (78.8°F) makes September a great period for swimming and other water activities in Tsukumi, Japan. On the first day of September in Tsukumi, sunrise is at 05:47 and sunset at 18:37.
September
Weather in September
The perfect water temperature of 26°C (78.8°F) makes September a great period for swimming and other water activities in Tsukumi, Japan.Sea temperature
In September, the average sea temperature is 26°C (78.8°F).Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.
Daylight
In September, the average length of the day in Tsukumi is 12h and 23min.On the first day of September in Tsukumi, sunrise is at 05:47 and sunset at 18:37. On the last day of the month, sunrise is at 06:06 and sunset at 17:58 JST.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Tsukumi, Japan, the average seawater temperature in September is 26°C (78.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
In September, the average day length is 12h and 23min.
In September, on the first day of the month, sunrise is at 05:47 and sunset at 18:37. On the last day of the month, sunrise is at 06:06 and sunset at 17:58 JST.
Average sea temperature in September
Tsukumi, Japan
- Average sea temperature in September: 26°C
The best month for swimming (with the highest average sea temperature) is August (26.9°C).
The coldest month (with the lowest average sea temperature) is February (13.5°C).
Average daylight in September
Tsukumi, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).





