S
M
T
W
T
F
S
30
88°
71°
31
89°
73°
1
90°
75°
2
90°
76°
3
87°
75°
4
89°
74°
5
90°
72°
6
88°
75°
7
87°
76°
8
86°
75°
9
89°
72°
10
90°
75°
11
89°
71°
12
89°
70°
13
88°
70°
14
89°
72°
15
91°
74°
16
90°
76°
17
89°
74°
18
89°
74°
19
90°
72°
20
90°
72°
21
90°
74°
22
92°
72°
23
90°
74°
24
87°
76°
25
85°
74°
26
85°
73°
27
86°
74°
28
85°
74°
29
85°
75°
30
86°
74°
1
85°
73°
2
85°
74°
3
86°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kalaeloa
Kalaeloa's September 2026 forecast shows daily high temperatures ranging from 85° to 92°, with overnight lows between 70° and 76°. The average high for September is 88° 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 Kalaeloa. See also: October | November | December.