S
M
T
W
T
F
S
30
88°
73°
31
87°
74°
1
87°
73°
2
88°
74°
3
87°
74°
4
87°
75°
5
88°
74°
6
88°
74°
7
87°
73°
8
87°
74°
9
88°
73°
10
87°
74°
11
88°
73°
12
88°
74°
13
87°
74°
14
88°
73°
15
87°
74°
16
87°
75°
17
88°
75°
18
88°
74°
19
89°
72°
20
87°
75°
21
88°
75°
22
89°
74°
23
88°
74°
24
88°
73°
25
87°
75°
26
89°
74°
27
88°
75°
28
89°
76°
29
88°
75°
30
88°
76°
1
89°
75°
2
88°
74°
3
Hist. Avg.
88°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Manoa
Manoa's September 2026 forecast shows daily high temperatures ranging from 87° 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 Manoa. See also: October | November | December.
