S
M
T
W
T
F
S
30
79°
65°
31
86°
70°
1
89°
73°
2
93°
72°
3
91°
69°
4
84°
66°
5
80°
59°
6
79°
59°
7
80°
60°
8
78°
60°
9
87°
63°
10
81°
60°
11
77°
59°
12
78°
59°
13
73°
56°
14
74°
55°
15
73°
53°
16
80°
59°
17
79°
58°
18
73°
57°
19
79°
58°
20
78°
58°
21
77°
57°
22
77°
56°
23
74°
54°
24
70°
55°
25
77°
56°
26
74°
53°
27
66°
48°
28
65°
47°
29
66°
46°
30
65°
45°
1
63°
44°
2
64°
51°
3
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Arcadia
Arcadia's September 2026 forecast shows daily high temperatures ranging from 63° to 93°, with overnight lows between 44° and 72°. The average high for September is 76° with an average low of 56°. 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.
