S
M
T
W
T
F
S
30
91°
56°
31
90°
56°
1
89°
60°
2
95°
60°
3
96°
65°
4
99°
60°
5
99°
66°
6
96°
64°
7
88°
68°
8
86°
61°
9
82°
55°
10
90°
56°
11
91°
57°
12
76°
50°
13
77°
57°
14
85°
59°
15
75°
40°
16
86°
54°
17
76°
53°
18
86°
62°
19
78°
56°
20
66°
55°
21
67°
52°
22
70°
56°
23
78°
59°
24
77°
53°
25
78°
52°
26
82°
47°
27
80°
60°
28
80°
53°
29
72°
47°
30
73°
44°
1
73°
46°
2
76°
44°
3
62°
36°
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 62° to 82°, with overnight lows between 36° and 60°. The average high for September is 75° with an average low of 48°. 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.
