S
M
T
W
T
F
S
30
90°
71°
31
84°
66°
1
82°
63°
2
82°
61°
3
82°
61°
4
81°
63°
5
89°
60°
6
80°
70°
7
91°
71°
8
100°
73°
9
104°
80°
10
96°
75°
11
88°
69°
12
84°
68°
13
82°
63°
14
81°
65°
15
79°
63°
16
82°
62°
17
86°
64°
18
89°
65°
19
90°
65°
20
87°
64°
21
86°
62°
22
86°
62°
23
87°
63°
24
84°
60°
25
79°
58°
26
86°
60°
27
86°
61°
28
83°
58°
29
85°
60°
30
86°
62°
1
87°
62°
2
87°
61°
3
86°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Laguna Hills
Laguna Hills's September 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 58° and 69°. The average high for September is 85° with an average low of 63°. 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 Laguna Hills. See also: October | November | December.
