S
M
T
W
T
F
S
30
108°
82°
31
104°
78°
1
96°
79°
2
99°
80°
3
102°
78°
4
100°
76°
5
100°
77°
6
102°
77°
7
103°
78°
8
102°
78°
9
103°
78°
10
104°
82°
11
105°
81°
12
105°
82°
13
104°
82°
14
104°
81°
15
103°
81°
16
104°
80°
17
103°
81°
18
100°
76°
19
95°
72°
20
93°
71°
21
93°
70°
22
94°
71°
23
94°
73°
24
93°
72°
25
94°
72°
26
93°
71°
27
92°
69°
28
92°
71°
29
93°
73°
30
91°
70°
1
91°
71°
2
92°
71°
3
91°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Indio
Indio's September 2026 forecast shows daily high temperatures ranging from 91° to 108°, with overnight lows between 68° and 82°. The average high for September is 98° with an average low of 76°. 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 Indio. See also: October | November | December.
