S
M
T
W
T
F
S
30
63°
36°
31
67°
42°
1
71°
45°
2
74°
45°
3
73°
44°
4
63°
34°
5
64°
35°
6
63°
39°
7
66°
38°
8
68°
44°
9
64°
36°
10
64°
35°
11
65°
37°
12
64°
43°
13
62°
34°
14
60°
32°
15
60°
33°
16
61°
33°
17
61°
34°
18
62°
35°
19
68°
39°
20
70°
34°
21
62°
36°
22
62°
35°
23
57°
33°
24
58°
32°
25
55°
30°
26
57°
29°
27
57°
32°
28
59°
37°
29
62°
34°
30
64°
32°
1
Hist. Avg.
68°
43°
2
Hist. Avg.
68°
43°
3
Hist. Avg.
67°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in White Pass
White Pass's September 2026 forecast shows daily high temperatures ranging from 55° to 74°, with overnight lows between 29° and 45°. The average high for September is 63° with an average low of 36°. 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 White Pass. See also: October | November | December.
