Climate almanac
Rio Maior
Santarém, Portugal · 39.34°, -8.94°
What is the weather like in Rio Maior in September?
In September, Rio Maior is typically 78°F (26°C) during the day and 62°F (16°C) at night. The month brings about 1.1 in (28 mm) of precipitation in total.
- Average high78°F (26°C)
- Average low62°F (16°C)
- Precipitation1.1 in (28 mm)
- Clear or mostly clear days17
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)