Monthly weather forecast in Helsinki

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
25 August, Sunday. day, 25°; night, 14°; mostly clear26 August, Monday. day, 20°; night, 16°; partly cloudy27 August, Tuesday. day, 20°; night, 14°; light rain28 August, Wednesday. day, 20°; night, 15°; partly cloudy29 August, Thursday. day, 21°; night, 17°; mostly clear30 August, Friday. day, 22°; night, 18°; light rain31 August, Saturday. day, 21°; night, 14°; rain
1 September, Sunday. day, 19°; night, 14°; partly cloudy2 September, Monday. day, 19°; night, 15°; partly cloudy3 September, Tuesday. day, 20°; night, 15°; light rain4 September, Wednesday. day, 19°; night, 13°; partly cloudy5 September, Thursday. day, 18°; night, 13°; partly cloudy6 September, Friday. day, 15°; night, 15°; light rain7 September, Saturday. day, 17°; night, 16°; light rain
8 September, Sunday. day, 16°; night, 15°; rain9 September, Monday. day, 16°; night, 16°; rain10 September, Tuesday. day, 16°; night, 15°; light rain11 September, Wednesday. day, 16°; night, 14°; light rain12 September, Thursday. day, 14°; night, 13°; rain13 September, Friday. day, 15°; night, 12°; partly cloudy14 September, Saturday. day, 13°; night, 12°; mostly clear
15 September, Sunday. day, 13°; night, 11°; mostly clear16 September, Monday. day, 13°; night, 12°; mostly clear17 September, Tuesday. day, 13°; night, 11°; clear18 September, Wednesday. day, 13°; night, 11°; mostly clear19 September, Thursday. day, 12°; night, 12°; partly cloudy20 September, Friday. day, 14°; night, 12°; rain21 September, Saturday. day, 13°; night, 11°; light rain
22 September, Sunday. day, 12°; night, 9°; mostly clear23 September, Monday. day, 11°; night, 8°; mostly clearNext, the average data for 10 years24 September, Tuesday. day, 13°; night, 9°; rain25 September, Wednesday. day, 12°; night, 10°; overcast26 September, Thursday. day, 13°; night, 10°; overcast27 September, Friday. day, 12°; night, 10°; clear28 September, Saturday. day, 11°; night, 10°; clear

Average for 30 days

9 sunny days; 13 days with precipitation; 8 cloudy days;
air humidity 73%; 19 millimeters of precipitation (3% of annual average); Wind south-westerly 6.9 Meters per second; Water temperature +20°