Climate almanac
Bayonne
New Aquitaine, France · 43.49°, -1.47°
What is the weather like in Bayonne in September?
In September, Bayonne is typically 73°F (23°C) during the day and 62°F (17°C) at night. The month brings about 4.2 in (106 mm) of precipitation in total.
- Average high73°F (23°C)
- Average low62°F (17°C)
- Precipitation4.2 in (106 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)