S
M
T
W
T
F
S
30
69°
48°
31
62°
47°
1
64°
48°
2
63°
47°
3
61°
48°
4
63°
44°
5
59°
39°
6
58°
37°
7
57°
35°
8
56°
37°
9
57°
37°
10
58°
40°
11
62°
37°
12
66°
38°
13
65°
40°
14
66°
41°
15
64°
39°
16
63°
36°
17
60°
35°
18
62°
42°
19
62°
42°
20
63°
43°
21
62°
40°
22
52°
37°
23
52°
40°
24
51°
38°
25
51°
42°
26
52°
39°
27
52°
40°
28
50°
33°
29
49°
33°
30
49°
37°
1
48°
34°
2
50°
31°
3
48°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Montney
Montney's September 2026 forecast shows daily high temperatures ranging from 48° to 69°, with overnight lows between 29° and 48°. The average high for September is 58° with an average low of 39°. 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 Montney. See also: October | November | December.
