S
M
T
W
T
F
S
30
92°
70°
31
91°
69°
1
91°
69°
2
90°
68°
3
90°
69°
4
89°
64°
5
89°
68°
6
91°
66°
7
89°
67°
8
88°
66°
9
88°
68°
10
89°
67°
11
89°
66°
12
84°
65°
13
82°
66°
14
83°
65°
15
83°
65°
16
84°
64°
17
82°
64°
18
83°
63°
19
82°
58°
20
81°
57°
21
79°
57°
22
80°
58°
23
82°
60°
24
83°
61°
25
84°
62°
26
83°
61°
27
84°
60°
28
79°
55°
29
79°
54°
30
78°
56°
1
Hist. Avg.
79°
55°
2
Hist. Avg.
79°
55°
3
Hist. Avg.
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cullman
Cullman's September 2026 forecast shows daily high temperatures ranging from 78° to 92°, with overnight lows between 54° and 70°. The average high for September is 85° 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 Cullman. See also: October | November | December.
