S
M
T
W
T
F
S
30
79°
56°
31
79°
49°
1
77°
44°
2
69°
46°
3
68°
54°
4
71°
53°
5
74°
50°
6
75°
44°
7
69°
44°
8
70°
46°
9
74°
49°
10
69°
51°
11
73°
50°
12
73°
49°
13
71°
48°
14
65°
47°
15
62°
42°
16
61°
41°
17
62°
48°
18
65°
39°
19
61°
48°
20
62°
49°
21
68°
44°
22
67°
39°
23
60°
40°
24
59°
39°
25
56°
37°
26
64°
38°
27
63°
45°
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 56° to 79°, with overnight lows between 37° and 56°. The average high for September is 68° with an average low of 46°. 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.
