S
M
T
W
T
F
S
30
75°
45°
31
74°
49°
1
75°
50°
2
74°
51°
3
74°
51°
4
73°
50°
5
74°
49°
6
71°
49°
7
72°
50°
8
72°
48°
9
73°
50°
10
73°
49°
11
72°
48°
12
73°
49°
13
72°
46°
14
69°
46°
15
60°
47°
16
67°
46°
17
65°
46°
18
67°
37°
19
65°
32°
20
55°
35°
21
58°
37°
22
60°
34°
23
55°
38°
24
56°
40°
25
63°
43°
26
65°
43°
27
65°
42°
28
64°
40°
29
61°
39°
30
63°
43°
1
63°
42°
2
62°
42°
3
57°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mont-Laurier
Mont-Laurier's September 2026 forecast shows daily high temperatures ranging from 55° to 75°, with overnight lows between 32° and 51°. The average high for September is 67° with an average low of 44°. 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 Mont-Laurier. See also: October | November | December.
