S
M
T
W
T
F
S
30
90°
62°
31
93°
65°
1
95°
72°
2
95°
73°
3
96°
72°
4
96°
72°
5
101°
73°
6
96°
71°
7
89°
65°
8
95°
60°
9
88°
75°
10
81°
68°
11
78°
67°
12
87°
66°
13
88°
67°
14
86°
65°
15
87°
65°
16
80°
63°
17
74°
58°
18
72°
55°
19
72°
54°
20
75°
57°
21
74°
56°
22
73°
54°
23
76°
52°
24
81°
59°
25
80°
58°
26
80°
57°
27
79°
58°
28
80°
57°
29
79°
58°
30
78°
56°
1
77°
53°
2
77°
56°
3
78°
56°
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 72° to 88°, with overnight lows between 52° and 68°. The average high for September is 79° 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 Arcadia. See also: October | November | December.
