S
M
T
W
T
F
S
30
73°
46°
31
72°
45°
1
72°
47°
2
73°
50°
3
73°
51°
4
72°
51°
5
71°
45°
6
70°
49°
7
70°
49°
8
68°
48°
9
71°
48°
10
71°
47°
11
70°
47°
12
70°
48°
13
69°
48°
14
70°
47°
15
67°
47°
16
68°
45°
17
66°
46°
18
67°
35°
19
64°
32°
20
54°
37°
21
58°
35°
22
61°
32°
23
54°
35°
24
56°
41°
25
64°
43°
26
61°
43°
27
62°
42°
28
63°
42°
29
60°
41°
30
59°
43°
1
59°
43°
2
56°
36°
3
55°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Whitney
Whitney's September 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 32° and 51°. The average high for September is 65° with an average low of 43°. 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 Whitney. See also: October | November | December.
