S
M
T
W
T
F
S
30
80°
62°
31
76°
63°
1
79°
63°
2
83°
57°
3
82°
53°
4
73°
55°
5
73°
62°
6
81°
56°
7
78°
53°
8
73°
54°
9
72°
57°
10
73°
60°
11
74°
59°
12
80°
60°
13
79°
58°
14
79°
52°
15
75°
51°
16
69°
53°
17
69°
49°
18
70°
49°
19
69°
46°
20
67°
45°
21
66°
48°
22
67°
54°
23
70°
47°
24
70°
53°
25
72°
54°
26
69°
55°
27
74°
54°
28
74°
50°
29
73°
48°
30
64°
49°
1
66°
50°
2
72°
51°
3
Hist. Avg.
66°
46°
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 64° to 83°, with overnight lows between 45° and 63°. The average high for September is 73° with an average low of 54°. 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.
