Average data for 10 years
1 September
Sunday
+29°
+23°
2 September
Monday
+29°
+23°
3 September
Tuesday
+28°
+23°
4 September
Wednesday
+28°
+23°
5 September
Thursday
+28°
+23°
6 September
Friday
+29°
+23°
7 September
Saturday
+27°
+22°
8 September
Sunday
+27°
+22°
9 September
Monday
+28°
+22°
10 September
Tuesday
+27°
+22°
11 September
Wednesday
+27°
+22°
12 September
Thursday
+26°
+21°
13 September
Friday
+25°
+21°
14 September
Saturday
+26°
+22°
15 September
Sunday
+27°
+22°
16 September
Monday
+25°
+21°
17 September
Tuesday
+26°
+21°
18 September
Wednesday
+26°
+21°
19 September
Thursday
+26°
+21°
20 September
Friday
+25°
+20°
21 September
Saturday
+25°
+21°
22 September
Sunday
+27°
+23°
23 September
Monday
+28°
+24°
24 September
Tuesday
+28°
+23°
25 September
Wednesday
+28°
+23°
26 September
Thursday
+28°
+23°
27 September
Friday
+27°
+23°
28 September
Saturday
+27°
+22°
29 September
Sunday
+27°
+23°
30 September
Monday
+27°
+22°
Cities with similar weather in September
Cyprus
Paphos
Tunisia
Jerba
Cyprus
Limassol
Greece
Rhodes
Jordan
Aqaba
In September, the weather in Ontario is typically warm. Average daily high temperature in September is about 27 degrees above zero. On average, Ontario has 30 sunny days in September.