September weather forecastNarashino, Japan
September
Weather in September
Sea temperature
In Narashino, Japan, in September, the average water temperature is 24.9°C (76.8°F).Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 24.9°C (76.8°F) waters. Olympic standards, for reference, are set between 25°C (77°F) and 28°C (82.4°F).
Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 05:12 and sunset at 18:07. On the last day of September, in Narashino, sunrise is at 05:34 and sunset at 17:25 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 Narashino, the average seawater temperature in September is 24.9°C (76.8°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.9°C (76.8°F) water may be enjoyable.
In Narashino, the average day length in September is 12h and 25min.
In September, on the first day of the month, sunrise is at 05:12 and sunset at 18:07. On the last day of the month, sunrise is at 05:34 and sunset at 17:25 JST.
Average sea temperature in September
Narashino, Japan
- Average sea temperature in September: 24.9°C
The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (14.4°C).
Average daylight in September
Narashino, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
