Climate almanac
Iwamizawa
Hokkaido, Japan · 43.20°, 141.76°
What is the weather like in Iwamizawa in September?
In September, Iwamizawa is typically 72°F (22°C) during the day and 57°F (14°C) at night. The month brings about 4.3 in (109 mm) of precipitation in total.
- Average high72°F (22°C)
- Average low57°F (14°C)
- Precipitation4.3 in (109 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)