Climate almanac
Koshi
Toyama, Japan · 36.91°, 137.57°
What is the weather like in Koshi in September?
In September, Koshi is typically 77°F (25°C) during the day and 72°F (22°C) at night. The month brings about 9.9 in (251 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low72°F (22°C)
- Precipitation9.9 in (251 mm)
- Clear or mostly clear days5
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)