S
M
T
W
T
F
S
30
71°
50°
31
72°
52°
1
70°
53°
2
71°
50°
3
72°
54°
4
73°
55°
5
75°
56°
6
73°
55°
7
70°
54°
8
69°
50°
9
64°
41°
10
62°
49°
11
68°
50°
12
68°
51°
13
69°
51°
14
67°
50°
15
67°
48°
16
66°
46°
17
59°
47°
18
59°
43°
19
61°
48°
20
62°
47°
21
66°
48°
22
64°
48°
23
66°
45°
24
53°
43°
25
55°
45°
26
61°
44°
27
62°
46°
28
62°
46°
29
64°
47°
30
62°
46°
1
59°
45°
2
60°
43°
3
58°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Val-d'Or
Val-d'Or's September 2026 forecast shows daily high temperatures ranging from 53° to 75°, with overnight lows between 41° and 56°. The average high for September is 65° 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 Val-d'Or. See also: October | November | December.