Climate almanac
Bilbao
Basque Country, Spain · 43.26°, -2.93°
What is the weather like in Bilbao in September?
In September, Bilbao is typically 71°F (22°C) during the day and 59°F (15°C) at night. The month brings about 3.5 in (89 mm) of precipitation in total.
- Average high71°F (22°C)
- Average low59°F (15°C)
- Precipitation3.5 in (89 mm)
- Clear or mostly clear days6
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)