S
M
T
W
T
F
S
30
70°
48°
31
61°
47°
1
68°
48°
2
68°
45°
3
67°
47°
4
68°
49°
5
69°
40°
6
63°
37°
7
58°
36°
8
58°
35°
9
57°
35°
10
57°
37°
11
58°
36°
12
64°
37°
13
65°
40°
14
64°
42°
15
62°
35°
16
56°
33°
17
56°
33°
18
55°
39°
19
61°
41°
20
64°
43°
21
64°
41°
22
60°
33°
23
54°
37°
24
52°
34°
25
53°
40°
26
55°
39°
27
56°
39°
28
51°
35°
29
51°
35°
30
52°
38°
1
50°
37°
2
55°
27°
3
49°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Whitecourt
Whitecourt's September 2026 forecast shows daily high temperatures ranging from 49° to 70°, with overnight lows between 26° 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 Whitecourt. See also: October | November | December.
