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