S
M
T
W
T
F
S
30
92°
77°
31
92°
76°
1
91°
77°
2
92°
77°
3
93°
76°
4
89°
76°
5
90°
75°
6
90°
75°
7
91°
74°
8
92°
75°
9
92°
76°
10
91°
76°
11
92°
75°
12
89°
75°
13
88°
74°
14
86°
73°
15
90°
73°
16
92°
73°
17
93°
74°
18
91°
74°
19
92°
73°
20
91°
73°
21
90°
71°
22
86°
72°
23
89°
71°
24
88°
72°
25
86°
71°
26
87°
71°
27
87°
70°
28
86°
70°
29
84°
69°
30
86°
70°
1
87°
69°
2
88°
63°
3
84°
61°
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 84° to 93°, with overnight lows between 61° and 77°. The average high for September is 89° 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.
