S
M
T
W
T
F
S
30
91°
69°
31
91°
69°
1
90°
68°
2
91°
68°
3
88°
67°
4
88°
69°
5
86°
68°
6
87°
67°
7
89°
68°
8
90°
69°
9
91°
69°
10
91°
68°
11
90°
69°
12
90°
68°
13
89°
67°
14
85°
67°
15
85°
64°
16
87°
66°
17
90°
67°
18
84°
63°
19
86°
65°
20
89°
65°
21
88°
64°
22
89°
65°
23
88°
63°
24
89°
62°
25
89°
62°
26
88°
58°
27
82°
57°
28
81°
58°
29
81°
60°
30
82°
63°
1
86°
66°
2
88°
60°
3
88°
56°
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 81° to 91°, with overnight lows between 56° and 69°. The average high for September is 88° 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.
