S
M
T
W
T
F
S
30
85°
58°
31
83°
51°
1
80°
51°
2
79°
52°
3
80°
51°
4
80°
52°
5
81°
51°
6
77°
51°
7
76°
52°
8
78°
54°
9
77°
50°
10
77°
50°
11
78°
49°
12
75°
49°
13
76°
50°
14
75°
49°
15
76°
51°
16
75°
47°
17
76°
46°
18
76°
48°
19
75°
53°
20
73°
51°
21
78°
51°
22
Hist. Avg.
75°
51°
23
Hist. Avg.
75°
51°
24
Hist. Avg.
74°
50°
25
Hist. Avg.
74°
50°
26
Hist. Avg.
74°
50°
27
Hist. Avg.
73°
49°
28
Hist. Avg.
73°
49°
29
Hist. Avg.
72°
48°
30
Hist. Avg.
72°
48°
1
Hist. Avg.
72°
47°
2
Hist. Avg.
71°
47°
3
Hist. Avg.
71°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Arkansas
Arkansas's September 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 46° and 58°. The average high for September is 78° with an average low of 51°. 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 Arkansas. See also: October | November | December.
