Monthly weather forecast in Groton

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
1 September, Sunday. day, 24°; night, 21°; clear2 September, Monday. day, 25°; night, 12°; partly cloudy3 September, Tuesday. day, 22°; night, 12°; clear4 September, Wednesday. day, 23°; night, 13°; mostly clear5 September, Thursday. day, 23°; night, 16°; clear6 September, Friday. day, 24°; night, 18°; mostly clear7 September, Saturday. day, 23°; night, 19°; light rain
8 September, Sunday. day, 24°; night, 14°; heavy rain9 September, Monday. day, 22°; night, 15°; clear10 September, Tuesday. day, 22°; night, 16°; partly cloudy11 September, Wednesday. day, 23°; night, 16°; partly cloudy12 September, Thursday. day, 24°; night, 16°; partly cloudy13 September, Friday. day, 23°; night, 17°; partly cloudy14 September, Saturday. day, 23°; night, 17°; partly cloudy
15 September, Sunday. day, 19°; night, 17°; clear16 September, Monday. day, 19°; night, 18°; light rain17 September, Tuesday. day, 18°; night, 16°; rain18 September, Wednesday. day, 16°; night, 13°; clear19 September, Thursday. day, 16°; night, 14°; mostly clear20 September, Friday. day, 17°; night, 14°; clear21 September, Saturday. day, 17°; night, 14°; clear
22 September, Sunday. day, 17°; night, 15°; clear23 September, Monday. day, 18°; night, 16°; clear24 September, Tuesday. day, 19°; night, 17°; partly cloudy25 September, Wednesday. day, 19°; night, 16°; mostly clear26 September, Thursday. day, 18°; night, 15°; clear27 September, Friday. day, 17°; night, 14°; clear28 September, Saturday. day, 15°; night, 13°; partly cloudy
29 September, Sunday. day, 16°; night, 13°; clear30 September, Monday. day, 15°; night, 12°; mostly clear1 October, Tuesday. day, 15°; night, 12°; partly cloudyNext, the average data for 10 years2 October, Wednesday. day, 16°; night, 14°; overcast3 October, Thursday. day, 17°; night, 15°; clear4 October, Friday. day, 17°; night, 14°; clear5 October, Saturday. day, 18°; night, 14°; partly cloudy

Average for 30 days

17 sunny days; 4 days with precipitation; 9 cloudy days;
air humidity 71%; 13 millimeters of precipitation (2% of annual average); Wind south-westerly 4.8 Meters per second; Water temperature +21°