S
M
T
W
T
F
S
30
93°
71°
31
95°
70°
1
97°
71°
2
99°
70°
3
99°
72°
4
99°
72°
5
100°
72°
6
97°
72°
7
96°
74°
8
93°
72°
9
91°
71°
10
90°
72°
11
90°
70°
12
87°
67°
13
90°
68°
14
92°
67°
15
88°
64°
16
90°
65°
17
88°
66°
18
86°
63°
19
87°
61°
20
82°
59°
21
88°
64°
22
86°
63°
23
86°
64°
24
85°
64°
25
86°
63°
26
86°
63°
27
85°
62°
28
85°
63°
29
84°
63°
30
85°
62°
1
85°
61°
2
81°
55°
3
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sumiton
Sumiton's September 2026 forecast shows daily high temperatures ranging from 74° to 96°, with overnight lows between 51° and 74°. 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 Sumiton. See also: October | November | December.
