S
M
T
W
T
F
S
30
78°
68°
31
90°
71°
1
94°
77°
2
98°
77°
3
92°
69°
4
77°
68°
5
82°
64°
6
79°
60°
7
82°
60°
8
82°
71°
9
86°
69°
10
74°
59°
11
76°
58°
12
80°
67°
13
77°
62°
14
76°
67°
15
76°
61°
16
71°
58°
17
70°
57°
18
64°
52°
19
64°
51°
20
66°
53°
21
65°
55°
22
67°
60°
23
68°
59°
24
72°
60°
25
74°
60°
26
74°
59°
27
72°
59°
28
74°
60°
29
75°
60°
30
75°
59°
1
74°
59°
2
70°
53°
3
61°
50°
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 61° to 86°, with overnight lows between 50° and 71°. The average high for September is 72° 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.
