S
M
T
W
T
F
S
30
104°
73°
31
103°
70°
1
102°
69°
2
103°
73°
3
102°
75°
4
104°
75°
5
102°
73°
6
102°
72°
7
104°
71°
8
104°
77°
9
105°
73°
10
89°
73°
11
98°
74°
12
103°
74°
13
103°
72°
14
100°
70°
15
90°
65°
16
89°
66°
17
92°
65°
18
87°
66°
19
85°
62°
20
85°
61°
21
84°
60°
22
89°
67°
23
85°
66°
24
78°
66°
25
78°
65°
26
81°
65°
27
82°
64°
28
81°
64°
29
81°
63°
30
84°
54°
1
73°
51°
2
74°
51°
3
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cache
Cache's September 2026 forecast shows daily high temperatures ranging from 72° to 105°, with overnight lows between 50° and 77°. The average high for September is 87° with an average low of 65°. 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 Cache. See also: October | November | December.
