Climate almanac
Hanko
Uusimaa, Finland · 59.83°, 22.95°
What is the weather like in Hanko in September?
In September, Hanko is typically 59°F (15°C) during the day and 56°F (13°C) at night. The month brings about 2.8 in (72 mm) of precipitation in total.
- Average high59°F (15°C)
- Average low56°F (13°C)
- Precipitation2.8 in (72 mm)
- Clear or mostly clear days5
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)