S
M
T
W
T
F
S
30
108°
81°
31
108°
82°
1
107°
81°
2
107°
81°
3
105°
83°
4
105°
82°
5
106°
80°
6
107°
73°
7
102°
71°
8
98°
73°
9
100°
73°
10
102°
75°
11
105°
75°
12
106°
77°
13
105°
79°
14
107°
79°
15
106°
75°
16
105°
74°
17
104°
76°
18
103°
77°
19
105°
76°
20
104°
72°
21
103°
77°
22
98°
74°
23
94°
71°
24
93°
74°
25
95°
73°
26
97°
72°
27
96°
72°
28
95°
73°
29
95°
68°
30
93°
74°
1
92°
74°
2
98°
72°
3
91°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Palm Desert
Palm Desert's September 2026 forecast shows daily high temperatures ranging from 91° to 108°, with overnight lows between 68° and 83°. The average high for September is 101° with an average low of 75°. 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 Palm Desert. See also: October | November | December.
