S
M
T
W
T
F
S
30
90°
65°
31
93°
68°
1
94°
66°
2
93°
65°
3
94°
69°
4
94°
70°
5
93°
70°
6
93°
69°
7
92°
69°
8
90°
67°
9
89°
68°
10
91°
68°
11
92°
67°
12
91°
67°
13
91°
66°
14
90°
67°
15
91°
66°
16
87°
66°
17
85°
63°
18
85°
64°
19
89°
61°
20
82°
60°
21
82°
62°
22
83°
63°
23
83°
63°
24
87°
62°
25
88°
62°
26
87°
60°
27
88°
61°
28
87°
60°
29
86°
59°
30
86°
59°
1
84°
58°
2
87°
60°
3
78°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Arkadelphia
Arkadelphia's September 2026 forecast shows daily high temperatures ranging from 78° to 94°, with overnight lows between 53° and 70°. The average high for September is 88° with an average low of 64°. 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 Arkadelphia. See also: October | November | December.
