S
M
T
W
T
F
S
30
93°
72°
31
96°
73°
1
97°
73°
2
98°
74°
3
97°
75°
4
95°
73°
5
95°
74°
6
94°
72°
7
93°
71°
8
92°
70°
9
94°
69°
10
93°
71°
11
92°
68°
12
92°
69°
13
90°
67°
14
91°
68°
15
87°
64°
16
82°
68°
17
83°
67°
18
79°
68°
19
80°
68°
20
82°
67°
21
83°
67°
22
85°
66°
23
87°
66°
24
85°
67°
25
81°
67°
26
83°
65°
27
83°
59°
28
78°
56°
29
76°
55°
30
78°
55°
1
77°
58°
2
78°
60°
3
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Indian Valley
Indian Valley's September 2026 forecast shows daily high temperatures ranging from 76° to 98°, with overnight lows between 55° and 75°. The average high for September is 86° with an average low of 66°. 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 Indian Valley. See also: October | November | December.
