S
M
T
W
T
F
S
30
86°
65°
31
89°
67°
1
90°
67°
2
91°
66°
3
88°
68°
4
90°
66°
5
89°
63°
6
85°
64°
7
86°
67°
8
85°
67°
9
86°
66°
10
88°
66°
11
87°
65°
12
88°
66°
13
88°
66°
14
89°
65°
15
88°
66°
16
88°
65°
17
87°
65°
18
87°
64°
19
86°
62°
20
86°
59°
21
85°
63°
22
84°
63°
23
83°
62°
24
86°
57°
25
84°
56°
26
81°
62°
27
84°
61°
28
81°
59°
29
83°
60°
30
83°
60°
1
82°
59°
2
83°
59°
3
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Little Rock
Little Rock's September 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 56° and 68°. The average high for September is 86° 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 Little Rock. See also: October | November | December.