Weather in September
The ideal sea water temperature of 25.8°C (78.4°F) makes September in Nagato, Japan, the best time for swimming and other water activities.
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.
On the first day of September, sunrise is at 05:48 and sunset at 18:41. On the last day of the month, sunrise is at 06:09 and sunset at 18:01 JST.
[Resources]Sea temperature
In Nagato, the average seawater temperature in September is 25.8°C (78.4°F).Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.
Daylight
In Nagato, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 05:48 and sunset at 18:41. On the last day of the month, sunrise is at 06:09 and sunset at 18:01 JST.
Frequently asked questions
How warm is the water in September in Nagato?
In Nagato, Japan, the average seawater temperature in September is 25.8°C (78.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
How many hours of daylight does Nagato have in September?
In September, the average day length in Nagato, Japan, is 12h and 24min.
When is the sunrise / sunset in September in Nagato?
In September, on the first day of the month, sunrise is at 05:48 and sunset at 18:41. On the last day of the month, sunrise is at 06:09 and sunset at 18:01 JST.
Average sea temperature in September
Nagato, Japan
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is March (13.4°C).
Average daylight in September
Nagato, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
Nagato, Japan
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