S
M
T
W
T
F
S
30
70°
54°
31
68°
56°
1
76°
55°
2
75°
50°
3
74°
45°
4
71°
51°
5
74°
43°
6
68°
43°
7
65°
49°
8
69°
52°
9
66°
48°
10
69°
44°
11
65°
52°
12
70°
43°
13
67°
45°
14
68°
50°
15
72°
47°
16
71°
40°
17
Hist. Avg.
63°
44°
18
Hist. Avg.
63°
44°
19
Hist. Avg.
62°
43°
20
Hist. Avg.
62°
43°
21
Hist. Avg.
61°
43°
22
Hist. Avg.
61°
42°
23
Hist. Avg.
61°
42°
24
Hist. Avg.
60°
42°
25
Hist. Avg.
60°
41°
26
Hist. Avg.
60°
41°
27
Hist. Avg.
59°
41°
28
Hist. Avg.
59°
40°
29
Hist. Avg.
59°
40°
30
Hist. Avg.
58°
40°
1
Hist. Avg.
58°
39°
2
Hist. Avg.
57°
39°
3
Hist. Avg.
57°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Quebec
Quebec's September 2026 forecast shows daily high temperatures ranging from 65° to 76°, with overnight lows between 40° and 56°. The average high for September is 70° with an average low of 48°. 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 Quebec. See also: October | November | December.
