Climate almanac
Rumoi
Hokkaido, Japan · 43.93°, 141.64°
What is the weather like in Rumoi in September?
In September, Rumoi is typically 70°F (21°C) during the day and 59°F (15°C) at night. The month brings about 4.3 in (109 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low59°F (15°C)
- Precipitation4.3 in (109 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)