S
M
T
W
T
F
S
30
90°
74°
31
93°
74°
1
94°
77°
2
94°
77°
3
87°
76°
4
89°
77°
5
91°
76°
6
90°
77°
7
91°
75°
8
90°
74°
9
91°
75°
10
89°
73°
11
82°
74°
12
89°
74°
13
89°
74°
14
93°
79°
15
96°
76°
16
94°
70°
17
91°
72°
18
92°
74°
19
92°
75°
20
90°
74°
21
91°
73°
22
89°
74°
23
88°
73°
24
92°
71°
25
92°
72°
26
90°
70°
27
89°
71°
28
90°
71°
29
86°
68°
30
86°
72°
1
88°
72°
2
83°
73°
3
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lynn Haven
Lynn Haven's September 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 68° and 75°. The average high for September is 89° 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 Lynn Haven. See also: October | November | December.
