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