S
M
T
W
T
F
S
30
84°
62°
31
86°
61°
1
86°
61°
2
85°
57°
3
83°
61°
4
83°
61°
5
82°
60°
6
79°
60°
7
79°
59°
8
80°
52°
9
79°
52°
10
78°
60°
11
82°
59°
12
83°
58°
13
83°
58°
14
82°
57°
15
83°
58°
16
75°
50°
17
76°
51°
18
75°
50°
19
Hist. Avg.
77°
54°
20
Hist. Avg.
76°
53°
21
Hist. Avg.
76°
53°
22
Hist. Avg.
75°
52°
23
Hist. Avg.
75°
52°
24
Hist. Avg.
74°
52°
25
Hist. Avg.
74°
51°
26
Hist. Avg.
74°
51°
27
Hist. Avg.
73°
50°
28
Hist. Avg.
73°
50°
29
Hist. Avg.
72°
50°
30
Hist. Avg.
72°
49°
1
Hist. Avg.
72°
49°
2
Hist. Avg.
71°
48°
3
Hist. Avg.
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Toronto
Toronto's September 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 50° and 62°. The average high for September is 81° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Toronto. See also: October | November | December.
