S
M
T
W
T
F
S
30
91°
76°
31
91°
76°
1
89°
75°
2
92°
77°
3
91°
76°
4
87°
75°
5
87°
75°
6
89°
74°
7
90°
73°
8
91°
75°
9
91°
75°
10
90°
74°
11
91°
75°
12
90°
74°
13
89°
75°
14
88°
72°
15
91°
73°
16
91°
73°
17
92°
74°
18
91°
72°
19
90°
68°
20
86°
71°
21
85°
69°
22
87°
68°
23
88°
68°
24
89°
72°
25
90°
71°
26
87°
70°
27
85°
69°
28
86°
68°
29
83°
69°
30
86°
70°
1
86°
70°
2
87°
69°
3
87°
70°
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 92°, with overnight lows between 68° and 77°. 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.
