Average data for 10 years
1 September
Sunday
+24°
+19°
2 September
Monday
+23°
+19°
3 September
Tuesday
+24°
+18°
4 September
Wednesday
+21°
+18°
5 September
Thursday
+22°
+17°
6 September
Friday
+22°
+18°
7 September
Saturday
+21°
+18°
8 September
Sunday
+22°
+17°
9 September
Monday
+21°
+16°
10 September
Tuesday
+21°
+16°
11 September
Wednesday
+19°
+16°
12 September
Thursday
+19°
+16°
13 September
Friday
+19°
+15°
14 September
Saturday
+20°
+16°
15 September
Sunday
+17°
+14°
16 September
Monday
+18°
+12°
17 September
Tuesday
+20°
+15°
18 September
Wednesday
+19°
+15°
19 September
Thursday
+19°
+14°
20 September
Friday
+21°
+15°
21 September
Saturday
+19°
+17°
22 September
Sunday
+20°
+15°
23 September
Monday
+20°
+16°
24 September
Tuesday
+18°
+15°
25 September
Wednesday
+20°
+14°
26 September
Thursday
+20°
+15°
27 September
Friday
+19°
+16°
28 September
Saturday
+18°
+15°
29 September
Sunday
+16°
+12°
30 September
Monday
+14°
+11°
Cities with similar weather in September
United States
San Francisco
Montenegro
Podgorica
Canada
Vancouver
United States
Boston
United States
Seattle
In September, the weather in Watertown is typically warm. Average daily high temperature in September is about 20 degrees above zero. On average, Watertown has 15 sunny, 8 rainy, and 7 partly cloudy days in September. The rains are usually moderate. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Watertown.