Climate almanac
Thônex
Geneva, Switzerland · 46.19°, 6.20°
What is the weather like in Thônex in September?
In September, Thônex is typically 68°F (20°C) during the day and 50°F (10°C) at night. The month brings about 4.5 in (113 mm) of precipitation in total.
- Average high68°F (20°C)
- Average low50°F (10°C)
- Precipitation4.5 in (113 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)