Climate almanac
Allschwil
Basel-Landschaft, Switzerland · 47.55°, 7.54°
What is the weather like in Allschwil in September?
In September, Allschwil is typically 70°F (21°C) during the day and 51°F (11°C) at night. The month brings about 3.6 in (90 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low51°F (11°C)
- Precipitation3.6 in (90 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)