Climate almanac
São João da Serra
Piauí, Brazil · -5.51°, -41.90°
What is the weather like in São João da Serra in September?
In September, São João da Serra is typically 100°F (38°C) during the day and 79°F (26°C) at night. The month brings about 0.0 in (1 mm) of precipitation in total.
- Average high100°F (38°C)
- Average low79°F (26°C)
- Precipitation0.0 in (1 mm)
- Clear or mostly clear days21
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)