S
M
T
W
T
F
S
30
88°
77°
31
88°
77°
1
89°
76°
2
84°
73°
3
84°
32°
4
89°
78°
5
86°
77°
6
N/A
7
88°
74°
8
90°
75°
9
82°
72°
10
86°
73°
11
89°
73°
12
88°
72°
13
91°
74°
14
92°
76°
15
93°
75°
16
88°
74°
17
89°
74°
18
90°
75°
19
86°
75°
20
87°
74°
21
87°
76°
22
88°
75°
23
87°
76°
24
87°
76°
25
88°
75°
26
88°
76°
27
87°
76°
28
87°
75°
29
88°
76°
30
87°
76°
1
87°
75°
2
88°
76°
3
89°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lapai
Lapai's September 2026 forecast shows daily high temperatures ranging from 82° to 93°, with overnight lows between 72° and 76°. The average high for September is 88° with an average low of 75°. 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 Lapai. See also: October | November | December.