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
90°
77°
11
89°
75°
12
89°
74°
13
92°
74°
14
95°
75°
15
95°
75°
16
93°
80°
17
90°
70°
18
92°
68°
19
94°
70°
20
93°
73°
21
92°
73°
22
92°
70°
23
94°
73°
24
89°
69°
25
87°
65°
26
88°
66°
27
88°
68°
28
86°
71°
29
88°
75°
30
86°
71°
1
87°
69°
2
85°
66°
3
84°
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 84° to 94°, with overnight lows between 65° and 75°. The average high for September is 88° with an average low of 69°. 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.
