Average data for 10 years
1 September
Sunday
+24°
+21°
2 September
Monday
+23°
+20°
3 September
Tuesday
+24°
+20°
4 September
Wednesday
+24°
+20°
5 September
Thursday
+22°
+20°
6 September
Friday
+22°
+18°
7 September
Saturday
+24°
+20°
8 September
Sunday
+22°
+18°
9 September
Monday
+22°
+18°
10 September
Tuesday
+22°
+18°
11 September
today
+22°
+18°
12 September
tomorrow
+21°
+18°
13 September
Friday
+22°
+18°
14 September
Saturday
+22°
+18°
15 September
Sunday
+20°
+18°
16 September
Monday
+19°
+15°
17 September
Tuesday
+20°
+16°
18 September
Wednesday
+20°
+16°
19 September
Thursday
+20°
+17°
20 September
Friday
+20°
+16°
21 September
Saturday
+21°
+18°
22 September
Sunday
+21°
+16°
23 September
Monday
+22°
+18°
24 September
Tuesday
+20°
+16°
25 September
Wednesday
+19°
+15°
26 September
Thursday
+20°
+16°
27 September
Friday
+22°
+18°
28 September
Saturday
+20°
+17°
29 September
Sunday
+18°
+17°
30 September
Monday
+17°
+15°
Cities with similar weather in September
Bulgaria
Burgas
Bulgaria
Varna
Montenegro
Podgorica
Canada
Toronto
Bulgaria
The Golden Sands
In September, the weather in Groton is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Groton has 15 sunny, 11 partly cloudy, 3 rainy, and 1 cloudy day in September. The rains are usually heavy. September as well as August is considered the most comfortable time to visit Groton.