S
M
T
W
T
F
S
30
108°
82°
31
100°
80°
1
104°
79°
2
103°
72°
3
100°
73°
4
100°
73°
5
98°
77°
6
92°
76°
7
99°
81°
8
99°
79°
9
100°
80°
10
101°
76°
11
102°
75°
12
97°
75°
13
98°
74°
14
97°
76°
15
102°
75°
16
105°
80°
17
105°
78°
18
97°
71°
19
97°
73°
20
98°
76°
21
100°
76°
22
100°
75°
23
101°
77°
24
96°
73°
25
98°
76°
26
100°
76°
27
100°
75°
28
98°
76°
29
99°
75°
30
99°
74°
1
100°
75°
2
99°
74°
3
98°
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 92° to 105°, with overnight lows between 71° and 81°. The average high for September is 99° 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.
