S
M
T
W
T
F
S
30
103°
75°
31
104°
75°
1
102°
74°
2
101°
74°
3
101°
75°
4
102°
74°
5
101°
74°
6
101°
76°
7
102°
75°
8
100°
75°
9
99°
76°
10
100°
76°
11
101°
75°
12
103°
76°
13
104°
76°
14
104°
77°
15
103°
77°
16
101°
76°
17
103°
74°
18
104°
74°
19
104°
75°
20
103°
77°
21
104°
77°
22
105°
76°
23
105°
76°
24
103°
74°
25
97°
72°
26
94°
68°
27
96°
70°
28
95°
71°
29
97°
69°
30
95°
68°
1
93°
67°
2
93°
69°
3
92°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Coachella Valley
Coachella Valley's September 2026 forecast shows daily high temperatures ranging from 92° to 105°, with overnight lows between 67° and 77°. The average high for September is 100° with an average low of 74°. 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 Coachella Valley. See also: October | November | December.
