S
M
T
W
T
F
S
30
85°
68°
31
88°
67°
1
89°
65°
2
84°
60°
3
84°
62°
4
85°
65°
5
85°
64°
6
86°
65°
7
87°
62°
8
84°
62°
9
84°
59°
10
85°
60°
11
84°
61°
12
85°
64°
13
86°
61°
14
87°
60°
15
85°
67°
16
84°
66°
17
82°
67°
18
82°
66°
19
83°
66°
20
82°
65°
21
82°
66°
22
85°
66°
23
85°
67°
24
86°
66°
25
88°
66°
26
88°
65°
27
87°
63°
28
85°
61°
29
85°
63°
30
84°
65°
1
86°
66°
2
88°
64°
3
87°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hacienda Heights
Hacienda Heights's September 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 59° and 68°. The average high for September is 85° with an average low of 64°. 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 Hacienda Heights. See also: October | November | December.
