Climate almanac
São Sebastião do Alto
Rio de Janeiro, Brazil · -21.96°, -42.13°
What is the weather like in São Sebastião do Alto in September?
In September, São Sebastião do Alto is typically 80°F (27°C) during the day and 62°F (17°C) at night. The month brings about 1.9 in (47 mm) of precipitation in total.
- Average high80°F (27°C)
- Average low62°F (17°C)
- Precipitation1.9 in (47 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)