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