S
M
T
W
T
F
S
30
83°
70°
31
80°
67°
1
76°
64°
2
79°
61°
3
79°
64°
4
79°
64°
5
80°
62°
6
80°
66°
7
84°
72°
8
94°
70°
9
92°
71°
10
87°
71°
11
79°
71°
12
80°
71°
13
82°
69°
14
81°
69°
15
80°
68°
16
81°
69°
17
77°
67°
18
77°
66°
19
76°
67°
20
76°
68°
21
78°
67°
22
74°
66°
23
77°
68°
24
79°
67°
25
81°
68°
26
81°
67°
27
80°
67°
28
79°
66°
29
81°
63°
30
76°
64°
1
73°
62°
2
75°
63°
3
75°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Huntington Beach
Huntington Beach's September 2026 forecast shows daily high temperatures ranging from 73° to 81°, with overnight lows between 62° and 68°. The average high for September is 77° with an average low of 66°. 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 Huntington Beach. See also: October | November | December.