S
M
T
W
T
F
S
30
108°
82°
31
100°
80°
1
104°
79°
2
104°
75°
3
100°
72°
4
97°
78°
5
98°
75°
6
91°
77°
7
104°
76°
8
107°
85°
9
107°
85°
10
113°
88°
11
107°
90°
12
108°
85°
13
107°
83°
14
100°
79°
15
100°
78°
16
97°
74°
17
94°
73°
18
100°
75°
19
102°
74°
20
102°
77°
21
100°
76°
22
100°
76°
23
104°
77°
24
107°
77°
25
104°
78°
26
102°
77°
27
105°
74°
28
103°
73°
29
100°
72°
30
99°
73°
1
100°
70°
2
95°
72°
3
94°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in La Quinta
La Quinta's September 2026 forecast shows daily high temperatures ranging from 94° to 107°, with overnight lows between 70° and 78°. 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 La Quinta. See also: October | November | December.
