Climate almanac
Cotonou
Littoral, Benin · 6.37°, 2.42°
What is the weather like in Cotonou in September?
In September, Cotonou is typically 79°F (26°C) during the day and 77°F (25°C) at night. The month brings about 5.9 in (151 mm) of precipitation in total.
- Average high79°F (26°C)
- Average low77°F (25°C)
- Precipitation5.9 in (151 mm)
- Clear or mostly clear days2
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)