Climate almanac
Grassau
Bavaria, Germany · 47.78°, 12.45°
What is the weather like in Grassau in September?
In September, Grassau is typically 65°F (18°C) during the day and 48°F (9°C) at night. The month brings about 6.0 in (152 mm) of precipitation in total. Snowfall averages about 0.8 in (21 mm) over the month.
- Average high65°F (18°C)
- Average low48°F (9°C)
- Precipitation6.0 in (152 mm)
- Clear or mostly clear days9
- Snowfall0.8 in (21 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)