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