S
M
T
W
T
F
S
30
68°
46°
31
69°
46°
1
68°
53°
2
66°
53°
3
65°
52°
4
66°
50°
5
65°
45°
6
66°
43°
7
65°
42°
8
66°
43°
9
67°
42°
10
68°
44°
11
66°
47°
12
62°
40°
13
61°
46°
14
63°
50°
15
Hist. Avg.
62°
41°
16
Hist. Avg.
61°
41°
17
Hist. Avg.
61°
40°
18
Hist. Avg.
61°
40°
19
Hist. Avg.
60°
40°
20
Hist. Avg.
60°
40°
21
Hist. Avg.
59°
40°
22
Hist. Avg.
59°
39°
23
Hist. Avg.
59°
39°
24
Hist. Avg.
58°
39°
25
Hist. Avg.
58°
39°
26
Hist. Avg.
57°
39°
27
Hist. Avg.
57°
39°
28
Hist. Avg.
57°
38°
29
Hist. Avg.
56°
38°
30
Hist. Avg.
56°
38°
1
Hist. Avg.
55°
38°
2
Hist. Avg.
55°
38°
3
Hist. Avg.
55°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Whistler
Whistler's September 2026 forecast shows daily high temperatures ranging from 61° to 69°, with overnight lows between 40° and 53°. The average high for September is 66° with an average low of 46°. 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 Whistler. See also: October | November | December.
