S
M
T
W
T
F
S
30
89°
72°
31
83°
70°
1
82°
66°
2
82°
63°
3
81°
64°
4
82°
62°
5
87°
69°
6
83°
67°
7
90°
67°
8
90°
69°
9
91°
68°
10
89°
66°
11
88°
66°
12
88°
68°
13
85°
64°
14
87°
65°
15
87°
67°
16
89°
64°
17
89°
67°
18
82°
62°
19
83°
63°
20
86°
65°
21
88°
67°
22
86°
66°
23
85°
67°
24
84°
64°
25
84°
66°
26
88°
67°
27
88°
67°
28
87°
66°
29
88°
67°
30
86°
67°
1
87°
66°
2
86°
66°
3
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Anaheim
Anaheim's September 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 62° and 69°. The average high for September is 86° 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 Anaheim. See also: October | November | December.
