S
M
T
W
T
F
S
30
69°
50°
31
68°
49°
1
70°
50°
2
71°
53°
3
71°
54°
4
70°
49°
5
68°
48°
6
66°
50°
7
68°
50°
8
71°
49°
9
71°
54°
10
70°
53°
11
71°
54°
12
71°
49°
13
67°
46°
14
65°
50°
15
64°
51°
16
65°
53°
17
65°
53°
18
69°
52°
19
68°
53°
20
68°
53°
21
69°
49°
22
68°
46°
23
63°
45°
24
62°
45°
25
63°
46°
26
63°
48°
27
64°
47°
28
61°
52°
29
64°
51°
30
66°
50°
1
65°
51°
2
66°
50°
3
60°
43°
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 60° to 71°, with overnight lows between 43° and 54°. The average high for September is 67° with an average low of 50°. 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.
