Weather forecast Helsinki 20-09-2025

Weather Saturday 20 September temperature from 11 °C to 17 °C, cloud cover up to 100%, precipitation is expected with a 80% chance, wind up to 8.81 m/s (gusts up to 13.78 m/s), air humidity from 61% to 95%, atmospheric pressure from 752 to 758 mm Hg, UV Index to 2.2 during the day. Forecast for the next days on the chart.