S
M
T
W
T
F
S
30
89°
72°
31
83°
70°
1
82°
66°
2
82°
63°
3
80°
64°
4
80°
63°
5
89°
62°
6
78°
69°
7
92°
74°
8
100°
75°
9
106°
80°
10
94°
79°
11
89°
73°
12
84°
72°
13
85°
71°
14
84°
69°
15
81°
69°
16
80°
68°
17
79°
67°
18
79°
64°
19
82°
64°
20
81°
68°
21
78°
68°
22
82°
67°
23
84°
64°
24
81°
69°
25
84°
65°
26
90°
65°
27
86°
71°
28
81°
67°
29
89°
63°
30
84°
63°
1
91°
63°
2
98°
67°
3
102°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Orange
Orange's September 2026 forecast shows daily high temperatures ranging from 84° to 102°, with overnight lows between 63° and 67°. The average high for September is 93° with an average low of 65°. 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 Orange. See also: October | November | December.
