S
M
T
W
T
F
S
30
108°
82°
31
107°
83°
1
107°
82°
2
106°
82°
3
105°
84°
4
105°
83°
5
106°
81°
6
106°
74°
7
102°
72°
8
98°
74°
9
99°
74°
10
102°
76°
11
105°
76°
12
106°
78°
13
105°
80°
14
106°
80°
15
106°
76°
16
105°
75°
17
104°
77°
18
103°
78°
19
105°
77°
20
104°
73°
21
102°
77°
22
98°
75°
23
94°
72°
24
93°
75°
25
94°
74°
26
97°
73°
27
95°
73°
28
95°
74°
29
96°
69°
30
93°
74°
1
92°
75°
2
98°
73°
3
91°
72°
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 91° to 108°, with overnight lows between 69° and 84°. The average high for September is 101° with an average low of 76°. 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.
