S
M
T
W
T
F
S
30
80°
60°
31
80°
61°
1
79°
60°
2
80°
60°
3
80°
62°
4
79°
60°
5
80°
56°
6
80°
52°
7
73°
52°
8
73°
53°
9
74°
55°
10
77°
58°
11
79°
55°
12
79°
56°
13
77°
60°
14
79°
59°
15
79°
55°
16
76°
56°
17
77°
57°
18
78°
58°
19
78°
56°
20
77°
53°
21
75°
57°
22
72°
58°
23
71°
54°
24
73°
57°
25
73°
54°
26
76°
52°
27
73°
53°
28
72°
54°
29
72°
51°
30
71°
55°
1
71°
60°
2
78°
58°
3
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in La Conchita
La Conchita's September 2026 forecast shows daily high temperatures ranging from 71° to 80°, with overnight lows between 51° and 62°. The average high for September is 76° with an average low of 56°. 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 Conchita. See also: October | November | December.