S
M
T
W
T
F
S
30
57°
29°
31
56°
29°
1
56°
35°
2
57°
30°
3
58°
31°
4
61°
30°
5
62°
31°
6
61°
37°
7
63°
32°
8
62°
35°
9
61°
38°
10
58°
37°
11
60°
31°
12
63°
37°
13
63°
38°
14
65°
38°
15
62°
37°
16
63°
37°
17
65°
38°
18
64°
38°
19
63°
37°
20
63°
37°
21
64°
36°
22
67°
38°
23
67°
40°
24
Hist. Avg.
67°
40°
25
Hist. Avg.
67°
41°
26
Hist. Avg.
67°
41°
27
Hist. Avg.
67°
41°
28
Hist. Avg.
68°
41°
29
Hist. Avg.
68°
41°
30
Hist. Avg.
68°
41°
1
Hist. Avg.
68°
41°
2
Hist. Avg.
68°
41°
3
Hist. Avg.
69°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Orange
Orange's September 2026 forecast shows daily high temperatures ranging from 56° to 67°, with overnight lows between 29° and 40°. The average high for September is 62° with an average low of 35°. 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.