S
M
T
W
T
F
S
30
72°
37°
31
69°
42°
1
77°
37°
2
71°
43°
3
78°
44°
4
79°
46°
5
79°
42°
6
78°
34°
7
66°
42°
8
73°
38°
9
64°
40°
10
68°
41°
11
67°
43°
12
71°
40°
13
68°
34°
14
66°
32°
15
61°
30°
16
67°
29°
17
71°
33°
18
62°
33°
19
Hist. Avg.
56°
29°
20
Hist. Avg.
55°
29°
21
Hist. Avg.
55°
29°
22
Hist. Avg.
54°
29°
23
Hist. Avg.
54°
29°
24
Hist. Avg.
54°
28°
25
Hist. Avg.
53°
28°
26
Hist. Avg.
53°
28°
27
Hist. Avg.
52°
28°
28
Hist. Avg.
52°
28°
29
Hist. Avg.
51°
28°
30
Hist. Avg.
51°
28°
1
Hist. Avg.
50°
27°
2
Hist. Avg.
50°
27°
3
Hist. Avg.
49°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Crowsnest
Crowsnest's September 2026 forecast shows daily high temperatures ranging from 61° to 79°, with overnight lows between 29° and 46°. The average high for September is 70° 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 Crowsnest. See also: October | November | December.
