S
M
T
W
T
F
S
30
86°
67°
31
83°
66°
1
85°
66°
2
84°
65°
3
84°
65°
4
85°
64°
5
84°
63°
6
84°
61°
7
83°
64°
8
83°
64°
9
84°
63°
10
82°
62°
11
82°
60°
12
83°
60°
13
83°
61°
14
82°
61°
15
83°
62°
16
79°
61°
17
82°
63°
18
82°
61°
19
79°
57°
20
78°
59°
21
75°
62°
22
76°
53°
23
74°
52°
24
72°
52°
25
73°
55°
26
76°
58°
27
71°
53°
28
71°
52°
29
70°
51°
30
71°
54°
1
71°
57°
2
72°
48°
3
70°
47°
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 70° to 86°, with overnight lows between 47° and 67°. The average high for September is 79° with an average low of 59°. 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.
