Climate almanac
Interlaken
California, United States · 36.95°, -121.73°
What is the weather like in Interlaken in September?
In September, Interlaken is typically 74°F (24°C) during the day and 57°F (14°C) at night. The month brings about 0.2 in (4 mm) of precipitation in total.
- Average high74°F (24°C)
- Average low57°F (14°C)
- Precipitation0.2 in (4 mm)
- Clear or mostly clear days22
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)