Climate almanac
Santiago
Rio Grande do Sul, Brazil · -29.19°, -54.87°
What is the weather like in Santiago in September?
In September, Santiago is typically 73°F (23°C) during the day and 56°F (13°C) at night. The month brings about 6.4 in (163 mm) of precipitation in total.
- Average high73°F (23°C)
- Average low56°F (13°C)
- Precipitation6.4 in (163 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)