S
M
T
W
T
F
S
30
108°
78°
31
106°
75°
1
108°
77°
2
102°
71°
3
100°
74°
4
97°
74°
5
92°
78°
6
98°
81°
7
101°
81°
8
100°
80°
9
101°
78°
10
102°
77°
11
105°
79°
12
105°
78°
13
104°
77°
14
102°
74°
15
104°
79°
16
105°
79°
17
105°
78°
18
103°
72°
19
99°
71°
20
99°
72°
21
100°
73°
22
102°
74°
23
102°
73°
24
99°
69°
25
93°
66°
26
92°
66°
27
91°
65°
28
92°
65°
29
93°
66°
30
92°
66°
1
92°
67°
2
94°
71°
3
98°
72°
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 91° to 108°, with overnight lows between 65° and 81°. The average high for September is 99° with an average low of 73°. 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.
