Climate almanac
Ōmachi
Nagano, Japan · 36.50°, 137.87°
What is the weather like in Ōmachi in September?
In September, Ōmachi is typically 69°F (21°C) during the day and 57°F (14°C) at night. The month brings about 14 in (349 mm) of precipitation in total.
- Average high69°F (21°C)
- Average low57°F (14°C)
- Precipitation14 in (349 mm)
- Clear or mostly clear days1
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)