S
M
T
W
T
F
S
30
107°
84°
31
108°
82°
1
106°
81°
2
104°
80°
3
104°
82°
4
105°
80°
5
105°
78°
6
104°
77°
7
103°
79°
8
103°
80°
9
99°
79°
10
98°
74°
11
99°
73°
12
98°
78°
13
99°
79°
14
98°
76°
15
98°
71°
16
96°
70°
17
95°
70°
18
96°
71°
19
96°
71°
20
97°
70°
21
95°
71°
22
96°
72°
23
97°
74°
24
99°
75°
25
101°
74°
26
101°
75°
27
100°
76°
28
102°
75°
29
102°
75°
30
101°
76°
1
102°
75°
2
101°
74°
3
101°
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 95° to 108°, with overnight lows between 70° and 84°. The average high for September is 100° 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.
