Climate almanac
São Tomé
São Tomé Island, Sao Tome and Principe · 0.34°, 6.73°
What is the weather like in São Tomé in September?
In September, São Tomé is typically 78°F (25°C) during the day and 76°F (25°C) at night. The month brings about 1.8 in (46 mm) of precipitation in total.
- Average high78°F (25°C)
- Average low76°F (25°C)
- Precipitation1.8 in (46 mm)
- Clear or mostly clear days1
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)