S
M
T
W
T
F
S
30
67°
49°
31
73°
50°
1
80°
40°
2
74°
46°
3
67°
45°
4
62°
37°
5
54°
47°
6
58°
48°
7
60°
51°
8
73°
45°
9
77°
40°
10
63°
41°
11
56°
38°
12
55°
33°
13
64°
32°
14
56°
36°
15
58°
32°
16
67°
36°
17
73°
38°
18
70°
42°
19
74°
42°
20
71°
44°
21
72°
47°
22
71°
41°
23
64°
42°
24
66°
41°
25
63°
42°
26
66°
39°
27
61°
37°
28
52°
32°
29
53°
38°
30
54°
37°
1
53°
36°
2
53°
34°
3
51°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Red Deer
Red Deer's September 2026 forecast shows daily high temperatures ranging from 51° to 74°, with overnight lows between 32° and 47°. The average high for September is 62° 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 Red Deer. See also: October | November | December.
