Climate almanac
Sintra
Lisbon, Portugal · 38.80°, -9.38°
What is the weather like in Sintra in September?
In September, Sintra is typically 66°F (19°C) during the day and 64°F (18°C) at night. The month brings about 1.1 in (28 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low64°F (18°C)
- Precipitation1.1 in (28 mm)
- Clear or mostly clear days18
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)