S
M
T
W
T
F
S
30
72°
66°
31
82°
70°
1
91°
70°
2
98°
72°
3
81°
68°
4
78°
66°
5
82°
63°
6
79°
61°
7
79°
59°
8
83°
69°
9
82°
64°
10
78°
55°
11
80°
60°
12
83°
61°
13
81°
63°
14
75°
59°
15
77°
58°
16
74°
56°
17
75°
57°
18
75°
54°
19
74°
55°
20
71°
51°
21
72°
57°
22
67°
56°
23
68°
57°
24
70°
56°
25
75°
56°
26
74°
55°
27
70°
55°
28
74°
56°
29
75°
57°
30
75°
57°
1
74°
55°
2
71°
50°
3
61°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Birmingham
Birmingham's September 2026 forecast shows daily high temperatures ranging from 61° to 83°, with overnight lows between 46° and 69°. The average high for September is 75° with an average low of 57°. 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 Birmingham. See also: October | November | December.
