S
M
T
W
T
F
S
30
87°
72°
31
87°
74°
1
88°
73°
2
89°
74°
3
88°
73°
4
86°
74°
5
87°
72°
6
86°
73°
7
88°
74°
8
87°
77°
9
86°
74°
10
87°
75°
11
86°
71°
12
86°
70°
13
87°
68°
14
86°
70°
15
88°
72°
16
89°
73°
17
87°
77°
18
89°
75°
19
88°
76°
20
88°
75°
21
89°
75°
22
89°
74°
23
88°
76°
24
85°
77°
25
87°
78°
26
85°
76°
27
87°
74°
28
86°
73°
29
87°
74°
30
86°
73°
1
84°
72°
2
86°
73°
3
83°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ka'anapali
Ka'anapali's September 2026 forecast shows daily high temperatures ranging from 83° to 87°, with overnight lows between 72° and 78°. The average high for September is 86° 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 Ka'anapali. See also: October | November | December.
