S
M
T
W
T
F
S
30
83°
76°
31
84°
75°
1
85°
77°
2
84°
75°
3
83°
76°
4
84°
73°
5
86°
77°
6
86°
77°
7
86°
78°
8
87°
76°
9
91°
76°
10
89°
75°
11
88°
74°
12
87°
75°
13
89°
74°
14
88°
74°
15
89°
76°
16
88°
75°
17
89°
76°
18
88°
74°
19
85°
76°
20
86°
75°
21
85°
76°
22
85°
76°
23
86°
75°
24
85°
76°
25
85°
76°
26
86°
75°
27
85°
76°
28
85°
76°
29
86°
75°
30
85°
76°
1
85°
76°
2
86°
75°
3
86°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kuli‘ou‘ou
Kuli‘ou‘ou's September 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 74° and 78°. The average high for September is 87° with an average low of 76°. 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 Kuli‘ou‘ou. See also: October | November | December.
