S
M
T
W
T
F
S
30
68°
49°
31
69°
49°
1
69°
48°
2
72°
49°
3
72°
49°
4
71°
48°
5
71°
48°
6
70°
47°
7
72°
47°
8
70°
46°
9
70°
46°
10
65°
45°
11
69°
41°
12
65°
41°
13
70°
40°
14
69°
43°
15
67°
37°
16
62°
41°
17
66°
43°
18
68°
44°
19
69°
43°
20
70°
40°
21
66°
40°
22
56°
43°
23
67°
41°
24
63°
38°
25
56°
36°
26
59°
38°
27
64°
40°
28
65°
40°
29
65°
34°
30
64°
23°
1
56°
31°
2
52°
35°
3
61°
38°
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 52° to 72°, with overnight lows between 23° and 49°. The average high for September is 66° with an average low of 42°. 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.
