Climate almanac
Rio Branco
Acre, Brazil · -9.97°, -67.81°
What is the weather like in Rio Branco in September?
In September, Rio Branco is typically 93°F (34°C) during the day and 72°F (22°C) at night. The month brings about 2.4 in (60 mm) of precipitation in total.
- Average high93°F (34°C)
- Average low72°F (22°C)
- Precipitation2.4 in (60 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)