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
N/A
19
74°
48°
20
76°
47°
21
76°
47°
22
76°
50°
23
71°
49°
24
65°
49°
25
63°
46°
26
65°
48°
27
66°
47°
28
65°
49°
29
64°
47°
30
65°
46°
1
61°
45°
2
60°
42°
3
55°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Kaslo
Kaslo's September 2026 forecast shows daily high temperatures ranging from 55° to 76°, with overnight lows between 38° and 50°. The average high for September is 67° with an average low of 47°. 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.
