S
M
T
W
T
F
S
30
91°
77°
31
89°
76°
1
89°
76°
2
90°
75°
3
90°
76°
4
91°
76°
5
88°
75°
6
86°
76°
7
87°
76°
8
88°
75°
9
89°
76°
10
90°
76°
11
91°
75°
12
91°
76°
13
90°
75°
14
89°
75°
15
88°
74°
16
89°
74°
17
89°
73°
18
86°
74°
19
86°
73°
20
85°
74°
21
87°
70°
22
86°
69°
23
90°
68°
24
87°
69°
25
88°
72°
26
86°
68°
27
87°
71°
28
89°
71°
29
89°
70°
30
87°
70°
1
88°
69°
2
89°
68°
3
88°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mobile
Mobile's September 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 68° and 77°. The average high for September is 88° with an average low of 73°. 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 Mobile. See also: October | November | December.
