S
M
T
W
T
F
S
30
86°
70°
31
83°
70°
1
86°
67°
2
84°
73°
3
87°
71°
4
87°
69°
5
87°
72°
6
84°
73°
7
85°
76°
8
86°
74°
9
85°
71°
10
86°
70°
11
85°
71°
12
85°
69°
13
86°
71°
14
86°
72°
15
85°
70°
16
83°
71°
17
82°
72°
18
82°
72°
19
83°
72°
20
82°
71°
21
82°
72°
22
83°
72°
23
81°
71°
24
82°
72°
25
82°
72°
26
81°
71°
27
81°
72°
28
82°
72°
29
83°
71°
30
82°
71°
1
81°
72°
2
81°
70°
3
82°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mililani Town
Mililani Town's September 2026 forecast shows daily high temperatures ranging from 81° to 87°, with overnight lows between 69° and 76°. The average high for September is 84° with an average low of 71°. 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 Mililani Town. See also: October | November | December.
