S
M
T
W
T
F
S
30
90°
77°
31
89°
77°
1
88°
76°
2
89°
77°
3
89°
77°
4
84°
76°
5
85°
77°
6
85°
75°
7
84°
72°
8
84°
74°
9
85°
77°
10
85°
77°
11
86°
76°
12
87°
77°
13
86°
75°
14
86°
72°
15
87°
75°
16
87°
75°
17
88°
74°
18
86°
72°
19
87°
73°
20
83°
72°
21
83°
71°
22
84°
71°
23
83°
70°
24
85°
73°
25
85°
73°
26
82°
71°
27
82°
70°
28
83°
71°
29
81°
72°
30
81°
73°
1
82°
72°
2
81°
72°
3
81°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Naval Station Mayport
Naval Station Mayport's September 2026 forecast shows daily high temperatures ranging from 81° to 90°, with overnight lows between 70° and 77°. The average high for September is 85° with an average low of 74°. 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 Naval Station Mayport. See also: October | November | December.
