Climate almanac
Buenos Aires
Piura, Peru · -5.27°, -79.97°
What is the weather like in Buenos Aires in September?
In September, Buenos Aires is typically 80°F (26°C) during the day and 61°F (16°C) at night. The month brings about 0.3 in (7 mm) of precipitation in total.
- Average high80°F (26°C)
- Average low61°F (16°C)
- Precipitation0.3 in (7 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)