S
M
T
W
T
F
S
30
70°
43°
31
77°
48°
1
73°
49°
2
64°
48°
3
60°
40°
4
65°
43°
5
67°
44°
6
69°
44°
7
75°
47°
8
73°
47°
9
72°
40°
10
64°
38°
11
62°
37°
12
62°
39°
13
63°
37°
14
61°
37°
15
62°
38°
16
62°
43°
17
63°
41°
18
59°
38°
19
58°
35°
20
57°
34°
21
58°
33°
22
59°
33°
23
58°
34°
24
61°
33°
25
65°
37°
26
66°
41°
27
57°
35°
28
54°
35°
29
54°
32°
30
55°
32°
1
54°
34°
2
53°
33°
3
52°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cranbrook
Cranbrook's September 2026 forecast shows daily high temperatures ranging from 52° to 77°, with overnight lows between 32° and 49°. The average high for September is 62° with an average low of 39°. 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 Cranbrook. See also: October | November | December.
