S
M
T
W
T
F
S
30
81°
69°
31
82°
68°
1
83°
69°
2
82°
68°
3
83°
68°
4
82°
67°
5
82°
68°
6
81°
68°
7
82°
67°
8
82°
68°
9
83°
68°
10
82°
67°
11
82°
67°
12
81°
68°
13
82°
68°
14
82°
67°
15
81°
67°
16
81°
66°
17
82°
67°
18
80°
68°
19
80°
69°
20
81°
67°
21
82°
68°
22
81°
67°
23
81°
67°
24
80°
68°
25
81°
68°
26
81°
67°
27
80°
68°
28
81°
67°
29
81°
67°
30
80°
64°
1
81°
67°
2
80°
67°
3
81°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kapalaoa
Kapalaoa's September 2026 forecast shows daily high temperatures ranging from 80° to 83°, with overnight lows between 64° and 69°. The average high for September is 81° with an average low of 67°. 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 Kapalaoa. See also: October | November | December.
