S
M
T
W
T
F
S
30
86°
78°
31
85°
75°
1
86°
77°
2
83°
76°
3
85°
76°
4
85°
76°
5
86°
75°
6
82°
75°
7
80°
75°
8
87°
77°
9
85°
75°
10
86°
78°
11
84°
74°
12
85°
73°
13
86°
75°
14
86°
74°
15
85°
75°
16
87°
77°
17
86°
76°
18
85°
75°
19
86°
76°
20
85°
78°
21
86°
76°
22
86°
75°
23
88°
79°
24
83°
77°
25
83°
77°
26
83°
77°
27
84°
76°
28
82°
77°
29
82°
76°
30
82°
76°
1
82°
75°
2
83°
77°
3
83°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lihu'e
Lihu'e's September 2026 forecast shows daily high temperatures ranging from 82° to 88°, with overnight lows between 73° and 79°. The average high for September is 85° 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 Lihu'e. See also: October | November | December.