Climate almanac
Porto Velho
Rondônia, Brazil · -8.76°, -63.90°
What is the weather like in Porto Velho in September?
In September, Porto Velho is typically 93°F (34°C) during the day and 75°F (24°C) at night. The month brings about 2.9 in (74 mm) of precipitation in total.
- Average high93°F (34°C)
- Average low75°F (24°C)
- Precipitation2.9 in (74 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)