S
M
T
W
T
F
S
30
99°
64°
31
100°
68°
1
101°
72°
2
100°
72°
3
100°
73°
4
101°
74°
5
103°
73°
6
103°
75°
7
100°
73°
8
104°
69°
9
103°
75°
10
98°
73°
11
86°
70°
12
98°
70°
13
97°
71°
14
96°
73°
15
98°
73°
16
99°
72°
17
101°
71°
18
98°
67°
19
100°
69°
20
98°
72°
21
95°
70°
22
92°
69°
23
88°
65°
24
85°
64°
25
85°
62°
26
89°
66°
27
89°
63°
28
90°
66°
29
81°
56°
30
86°
64°
1
86°
64°
2
76°
62°
3
83°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Russellville
Russellville's September 2026 forecast shows daily high temperatures ranging from 76° to 101°, with overnight lows between 56° and 72°. The average high for September is 90° with an average low of 66°. 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 Russellville. See also: October | November | December.
