S
M
T
W
T
F
S
30
78°
47°
31
70°
48°
1
73°
45°
2
68°
44°
3
68°
43°
4
69°
40°
5
71°
44°
6
76°
45°
7
76°
40°
8
66°
39°
9
64°
40°
10
63°
38°
11
64°
37°
12
66°
37°
13
67°
44°
14
64°
49°
15
64°
48°
16
65°
46°
17
65°
42°
18
62°
45°
19
61°
41°
20
62°
36°
21
63°
35°
22
61°
33°
23
60°
33°
24
61°
36°
25
68°
37°
26
60°
36°
27
63°
35°
28
Hist. Avg.
61°
37°
29
Hist. Avg.
61°
37°
30
Hist. Avg.
60°
37°
1
Hist. Avg.
60°
36°
2
Hist. Avg.
60°
36°
3
Hist. Avg.
59°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cranbrook
Cranbrook's September 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 33° and 49°. The average high for September is 66° with an average low of 41°. 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.
