S
M
T
W
T
F
S
30
86°
71°
31
86°
72°
1
87°
72°
2
86°
73°
3
87°
74°
4
88°
74°
5
88°
73°
6
87°
74°
7
86°
74°
8
87°
73°
9
88°
72°
10
87°
73°
11
88°
72°
12
88°
73°
13
87°
73°
14
88°
72°
15
88°
73°
16
87°
74°
17
88°
73°
18
88°
73°
19
87°
69°
20
87°
74°
21
88°
74°
22
88°
73°
23
87°
73°
24
87°
72°
25
88°
74°
26
86°
74°
27
87°
73°
28
88°
74°
29
87°
73°
30
87°
74°
1
86°
72°
2
87°
73°
3
87°
73°
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 86° to 88°, with overnight lows between 69° and 74°. The average high for September is 87° with an average low of 73°. 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.
