Climate almanac
Saint-Louis
Grand Est, France · 47.59°, 7.56°
What is the weather like in Saint-Louis in September?
In September, Saint-Louis 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)