S
M
T
W
T
F
S
30
68°
51°
31
82°
53°
1
82°
49°
2
65°
52°
3
72°
46°
4
62°
46°
5
73°
47°
6
72°
43°
7
66°
53°
8
77°
54°
9
81°
51°
10
80°
51°
11
76°
42°
12
76°
45°
13
60°
51°
14
60°
50°
15
62°
51°
16
75°
48°
17
78°
43°
18
78°
44°
19
78°
43°
20
77°
44°
21
77°
46°
22
77°
47°
23
74°
51°
24
70°
44°
25
62°
51°
26
59°
39°
27
60°
39°
28
64°
47°
29
54°
45°
30
59°
41°
1
62°
43°
2
64°
49°
3
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kaslo
Kaslo's September 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 39° and 49°. The average high for September is 62° with an average low of 44°. 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 Kaslo. See also: October | November | December.
