Monthly weather forecast in Helsinki

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
1 September, Sunday. day, 16°; night, 12°; rain2 September, Monday. day, 15°; night, 13°; rain3 September, Tuesday. day, 16°; night, 13°; partly cloudy4 September, Wednesday. day, 24°; night, 15°; partly cloudy5 September, Thursday. day, 24°; night, 14°; mostly clear6 September, Friday. day, 21°; night, 13°; partly cloudy7 September, Saturday. day, 21°; night, 15°; mostly clear
8 September, Sunday. day, 21°; night, 16°; overcast9 September, Monday. day, 21°; night, 17°; light rain10 September, Tuesday. day, 21°; night, 17°; mostly clear11 September, Wednesday. day, 20°; night, 16°; clear12 September, Thursday. day, 19°; night, 14°; mostly clear13 September, Friday. day, 19°; night, 15°; mostly clear14 September, Saturday. day, 18°; night, 15°; partly cloudy
15 September, Sunday. day, 19°; night, 14°; partly cloudy16 September, Monday. day, 16°; night, 16°; light rain17 September, Tuesday. day, 17°; night, 17°; rain18 September, Wednesday. day, 17°; night, 16°; rain19 September, Thursday. day, 16°; night, 15°; rain20 September, Friday. day, 17°; night, 15°; partly cloudy21 September, Saturday. day, 16°; night, 16°; light rain
22 September, Sunday. day, 17°; night, 16°; light rain23 September, Monday. day, 16°; night, 15°; mostly clear24 September, Tuesday. day, 16°; night, 15°; clear25 September, Wednesday. day, 16°; night, 15°; clear26 September, Thursday. day, 16°; night, 15°; clear27 September, Friday. day, 16°; night, 14°; partly cloudy28 September, Saturday. day, 15°; night, 14°; partly cloudy
29 September, Sunday. day, 15°; night, 13°; mostly clear30 September, Monday. day, 15°; night, 13°; partly cloudy1 October, Tuesday. day, 15°; night, 13°; partly cloudy2 October, Wednesday. day, 12°; night, 5°; light rain3 October, Thursday. day, 6°; night, 4°; mostly clearNext, the average data for 10 years4 October, Friday. day, 10°; night, 9°; partly cloudy5 October, Saturday. day, 10°; night, 7°; overcast

Average for 30 days

12 sunny days; 8 days with precipitation; 10 cloudy days;
air humidity 77%; 8 millimeters of precipitation (2% of annual average); Wind south-easterly 5.4 Meters per second; Water temperature +19°