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