S
M
T
W
T
F
S
30
86°
64°
31
85°
66°
1
86°
68°
2
84°
65°
3
83°
63°
4
82°
62°
5
83°
61°
6
84°
62°
7
84°
62°
8
86°
65°
9
87°
64°
10
87°
62°
11
86°
61°
12
88°
66°
13
87°
65°
14
87°
66°
15
86°
66°
16
87°
65°
17
85°
62°
18
85°
63°
19
84°
62°
20
83°
61°
21
84°
62°
22
83°
59°
23
79°
57°
24
Hist. Avg.
82°
56°
25
Hist. Avg.
81°
56°
26
Hist. Avg.
81°
55°
27
Hist. Avg.
81°
55°
28
Hist. Avg.
80°
54°
29
Hist. Avg.
80°
54°
30
Hist. Avg.
80°
53°
1
Hist. Avg.
80°
53°
2
Hist. Avg.
79°
52°
3
Hist. Avg.
79°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Arcadia
Arcadia's September 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 57° and 68°. The average high for September is 85° with an average low of 63°. 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 Arcadia. See also: October | November | December.
