Climate almanac
Formosa da Serra Negra
Maranhão, Brazil · -6.44°, -46.19°
What is the weather like in Formosa da Serra Negra in September?
In September, Formosa da Serra Negra is typically 96°F (36°C) during the day and 74°F (23°C) at night. The month brings about 0.4 in (9 mm) of precipitation in total.
- Average high96°F (36°C)
- Average low74°F (23°C)
- Precipitation0.4 in (9 mm)
- Clear or mostly clear days22
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)