S
M
T
W
T
F
S
30
92°
67°
31
93°
69°
1
92°
69°
2
92°
68°
3
91°
68°
4
91°
64°
5
89°
68°
6
90°
67°
7
91°
68°
8
90°
67°
9
89°
67°
10
90°
66°
11
90°
67°
12
89°
66°
13
85°
65°
14
85°
66°
15
86°
66°
16
85°
65°
17
84°
64°
18
84°
64°
19
85°
61°
20
84°
58°
21
82°
58°
22
83°
59°
23
85°
62°
24
84°
61°
25
85°
62°
26
86°
61°
27
86°
62°
28
81°
61°
29
82°
58°
30
82°
59°
1
Hist. Avg.
81°
57°
2
Hist. Avg.
80°
56°
3
Hist. Avg.
80°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Butler
Butler's September 2026 forecast shows daily high temperatures ranging from 81° to 93°, with overnight lows between 58° and 69°. The average high for September is 87° 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 Butler. See also: October | November | December.
