Climate almanac
Flawil
Saint Gallen, Switzerland · 47.41°, 9.18°
What is the weather like in Flawil in September?
In September, Flawil is typically 66°F (19°C) during the day and 53°F (12°C) at night. The month brings about 5.1 in (130 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low53°F (12°C)
- Precipitation5.1 in (130 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)