S
M
T
W
T
F
S
30
85°
56°
31
84°
52°
1
78°
45°
2
72°
43°
3
73°
52°
4
73°
50°
5
82°
48°
6
70°
52°
7
82°
46°
8
86°
54°
9
93°
55°
10
90°
68°
11
86°
66°
12
88°
55°
13
75°
54°
14
75°
46°
15
82°
41°
16
77°
43°
17
72°
46°
18
68°
50°
19
82°
41°
20
84°
46°
21
75°
45°
22
79°
46°
23
86°
46°
24
86°
64°
25
81°
55°
26
84°
48°
27
N/A
28
N/A
29
75°
46°
30
86°
41°
1
90°
46°
2
90°
48°
3
88°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Tehachapi
Tehachapi's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Tehachapi. See also: October | November | December.