Climate almanac
Ascona
Ticino, Switzerland · 46.15°, 8.77°
What is the weather like in Ascona in September?
In September, Ascona is typically 62°F (17°C) during the day and 48°F (9°C) at night. The month brings about 5.5 in (140 mm) of precipitation in total. Snowfall averages about 0.5 in (12 mm) over the month.
- Average high62°F (17°C)
- Average low48°F (9°C)
- Precipitation5.5 in (140 mm)
- Clear or mostly clear days7
- Snowfall0.5 in (12 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)