September weather forecast in Helsinki

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
31 August, Sunday. day, 16°; night, 13°; rain1 September, Monday. day, 16°; night, 12°; rain2 September, Tuesday. day, 15°; night, 13°; rain3 September, Wednesday. day, 16°; night, 13°; partly cloudy4 September, Thursday. day, 17°; night, 13°; partly cloudy5 September, Friday. day, 16°; night, 13°; partly cloudy6 September, Saturday. day, 16°; night, 13°; clear
7 September, Sunday. day, 16°; night, 12°; clear8 September, Monday. day, 16°; night, 13°; overcast9 September, Tuesday. day, 16°; night, 12°; clear10 September, Wednesday. day, 16°; night, 12°; partly cloudy11 September, Thursday. day, 16°; night, 13°; overcast12 September, Friday. day, 16°; night, 14°; partly cloudy13 September, Saturday. day, 15°; night, 12°; rain
14 September, Sunday. day, 14°; night, 12°; partly cloudy15 September, Monday. day, 14°; night, 12°; rain16 September, Tuesday. day, 14°; night, 11°; partly cloudy17 September, Wednesday. day, 13°; night, 11°; rain18 September, Thursday. day, 14°; night, 11°; rain19 September, Friday. day, 14°; night, 12°; partly cloudy20 September, Saturday. day, 14°; night, 11°; rain
21 September, Sunday. day, 13°; night, 11°; rain22 September, Monday. day, 13°; night, 10°; rain23 September, Tuesday. day, 12°; night, 10°; clear24 September, Wednesday. day, 13°; night, 9°; rain25 September, Thursday. day, 12°; night, 10°; overcast26 September, Friday. day, 13°; night, 10°; overcast27 September, Saturday. day, 12°; night, 10°; clear
28 September, Sunday. day, 11°; night, 10°; clear29 September, Monday. day, 12°; night, 9°; partly cloudy30 September, Tuesday. day, 11°; night, 8°; partly cloudy1 October, Wednesday. day, 11°; night, 8°; partly cloudy2 October, Thursday. day, 11°; night, 9°; overcast3 October, Friday. day, 12°; night, 9°; rain4 October, Saturday. day, 10°; night, 9°; partly cloudy

Helsinki September

6 sunny days; 10 days with precipitation; 14 cloudy days;
air humidity 75%; 58 millimeters of precipitation (9% of annual average); Wind south-westerly 4.5 Meters per second; Water temperature +15°