S
M
T
W
T
F
S
30
71°
47°
31
89°
46°
1
71°
52°
2
54°
40°
3
52°
38°
4
53°
40°
5
57°
41°
6
61°
41°
7
66°
41°
8
66°
40°
9
69°
41°
10
68°
42°
11
70°
41°
12
63°
41°
13
66°
40°
14
67°
41°
15
65°
37°
16
59°
38°
17
58°
38°
18
58°
34°
19
58°
34°
20
61°
41°
21
59°
37°
22
59°
38°
23
57°
33°
24
56°
32°
25
56°
30°
26
58°
33°
27
65°
38°
28
65°
39°
29
64°
39°
30
65°
38°
1
64°
39°
2
65°
39°
3
64°
38°
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 52° to 70°, with overnight lows between 30° and 42°. The average high for September is 62° with an average low of 38°. 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.
