S
M
T
W
T
F
S
30
74°
52°
31
77°
54°
1
73°
54°
2
72°
53°
3
78°
52°
4
69°
47°
5
72°
51°
6
77°
54°
7
72°
49°
8
77°
56°
9
68°
50°
10
65°
45°
11
66°
45°
12
75°
55°
13
73°
55°
14
66°
47°
15
64°
43°
16
63°
43°
17
66°
44°
18
69°
48°
19
67°
44°
20
64°
43°
21
71°
49°
22
70°
48°
23
71°
51°
24
71°
51°
25
70°
50°
26
69°
50°
27
69°
49°
28
68°
50°
29
68°
49°
30
67°
48°
1
67°
49°
2
64°
46°
3
54°
42°
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 78°, with overnight lows between 42° and 56°. The average high for September is 69° with an average low of 49°. 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.
