S
M
T
W
T
F
S
30
101°
76°
31
101°
77°
1
101°
79°
2
101°
76°
3
91°
77°
4
100°
78°
5
100°
76°
6
101°
76°
7
101°
77°
8
102°
79°
9
101°
79°
10
100°
77°
11
100°
73°
12
101°
75°
13
100°
78°
14
101°
77°
15
N/A
16
99°
78°
17
97°
76°
18
97°
74°
19
98°
74°
20
99°
73°
21
97°
71°
22
95°
72°
23
97°
71°
24
93°
67°
25
94°
66°
26
93°
67°
27
94°
68°
28
93°
69°
29
86°
61°
30
89°
67°
1
88°
67°
2
80°
65°
3
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Whitney
Whitney's September 2026 forecast shows daily high temperatures ranging from 80° to 99°, with overnight lows between 61° and 78°. The average high for September is 93° with an average low of 69°. 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.
