Climate almanac
Porto
Piauí, Brazil · -3.89°, -42.71°
What is the weather like in Porto in September?
In September, Porto is typically 97°F (36°C) during the day and 74°F (24°C) at night. The month brings about 0.1 in (2 mm) of precipitation in total.
- Average high97°F (36°C)
- Average low74°F (24°C)
- Precipitation0.1 in (2 mm)
- Clear or mostly clear days24
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)