September weather forecastNiigata, Japan
September weather for Niigata, Japan: In Niigata, Japan, the average seawater temperature in September is 25.2°C (77.4°F). In Niigata, Japan, the average seawater temperature in September is 25.2°C (77.4°F).
September
Weather in September
Sea temperatures in Niigata start to drop facetly in September, sliding to 25.2°C (77.4°F). This transition in the air and water signals the commencement of the milder, more pleasant autumn. The gradual decline in daylight hours to 12.4 displays the approaching end of longer summer days. September stands as a relief after the stifling heat of the preceding months.Sea temperature
In Niigata, Japan, the average seawater temperature in September is 25.2°C (77.4°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
Daylight
In Niigata, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 05:13 and sunset at 18:13. On the last day of the month, sunrise is at 05:38 and sunset at 17:28 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 Niigata, Japan, the average seawater temperature in September is 25.2°C (77.4°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.
In Niigata, the average day length in September is 12h and 26min.
In September, on the first day of the month, sunrise is at 05:13 and sunset at 18:13. On the last day of the month, in Niigata, Japan, sunrise is at 05:38 and sunset at 17:28 JST.
Average sea temperature in September
Niigata, Japan
- Average sea temperature in September: 25.2°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is March (9.8°C).
Average daylight in September
Niigata, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
