S
M
T
W
T
F
S
30
88°
78°
31
90°
78°
1
93°
77°
2
94°
76°
3
92°
75°
4
87°
76°
5
92°
75°
6
93°
75°
7
93°
77°
8
93°
75°
9
93°
75°
10
86°
74°
11
86°
74°
12
86°
73°
13
87°
73°
14
92°
73°
15
89°
75°
16
90°
74°
17
91°
73°
18
90°
74°
19
90°
73°
20
88°
71°
21
89°
72°
22
88°
72°
23
87°
69°
24
89°
72°
25
89°
74°
26
86°
73°
27
88°
72°
28
88°
71°
29
87°
72°
30
88°
72°
1
88°
71°
2
87°
71°
3
87°
70°
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 86° to 92°, with overnight lows between 69° and 75°. The average high for September is 88° with an average low of 72°. 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.
