Climate almanac
Siuntio
Uusimaa, Finland · 60.14°, 24.23°
What is the weather like in Siuntio in September?
In September, Siuntio is typically 60°F (15°C) during the day and 49°F (9°C) at night. The month brings about 2.6 in (67 mm) of precipitation in total.
- Average high60°F (15°C)
- Average low49°F (9°C)
- Precipitation2.6 in (67 mm)
- Clear or mostly clear days4
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)