S
M
T
W
T
F
S
30
N/A
31
68°
61°
1
72°
59°
2
75°
54°
3
72°
50°
4
71°
49°
5
68°
45°
6
72°
49°
7
73°
51°
8
69°
52°
9
67°
50°
10
69°
47°
11
66°
43°
12
69°
48°
13
68°
50°
14
61°
44°
15
64°
48°
16
68°
47°
17
66°
44°
18
59°
42°
19
64°
46°
20
67°
48°
21
67°
47°
22
68°
48°
23
68°
45°
24
66°
45°
25
66°
44°
26
65°
46°
27
66°
45°
28
66°
43°
29
63°
41°
30
57°
39°
1
57°
42°
2
62°
43°
3
63°
42°
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 57° to 75°, with overnight lows between 39° and 61°. The average high for September is 67° with an average low of 47°. 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.
