S
M
T
W
T
F
S
30
87°
72°
31
87°
74°
1
88°
73°
2
89°
74°
3
88°
73°
4
86°
74°
5
87°
72°
6
86°
73°
7
88°
74°
8
87°
77°
9
86°
74°
10
87°
75°
11
86°
71°
12
86°
70°
13
87°
68°
14
86°
70°
15
88°
72°
16
89°
73°
17
87°
77°
18
89°
75°
19
88°
76°
20
88°
75°
21
89°
75°
22
89°
74°
23
88°
76°
24
86°
75°
25
87°
77°
26
86°
77°
27
89°
74°
28
91°
70°
29
89°
69°
30
89°
72°
1
88°
71°
2
86°
71°
3
86°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lahaina
Lahaina's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Lahaina. See also: October | November | December.
