S
M
T
W
T
F
S
30
71°
46°
31
72°
48°
1
72°
49°
2
71°
47°
3
71°
48°
4
70°
49°
5
71°
47°
6
69°
39°
7
61°
34°
8
57°
35°
9
57°
35°
10
58°
41°
11
61°
38°
12
61°
34°
13
56°
33°
14
56°
32°
15
57°
33°
16
59°
32°
17
56°
34°
18
57°
38°
19
62°
42°
20
64°
39°
21
63°
39°
22
61°
32°
23
53°
36°
24
51°
39°
25
51°
36°
26
52°
41°
27
53°
36°
28
51°
32°
29
49°
33°
30
49°
29°
1
48°
34°
2
50°
32°
3
51°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort McMurray
Fort McMurray's September 2026 forecast shows daily high temperatures ranging from 48° to 72°, with overnight lows between 29° and 49°. The average high for September is 59° with an average low of 38°. 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 Fort McMurray. See also: October | November | December.
