Climate almanac
Arai
Niigata, Japan · 37.00°, 138.23°
What is the weather like in Arai in September?
In September, Arai is typically 77°F (25°C) during the day and 65°F (18°C) at night. The month brings about 8.9 in (226 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low65°F (18°C)
- Precipitation8.9 in (226 mm)
- Clear or mostly clear days3
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)