S
M
T
W
T
F
S
30
87°
76°
31
88°
76°
1
89°
77°
2
90°
74°
3
89°
73°
4
88°
74°
5
88°
73°
6
89°
75°
7
88°
78°
8
89°
78°
9
88°
75°
10
89°
74°
11
89°
74°
12
88°
76°
13
89°
75°
14
89°
75°
15
88°
76°
16
86°
75°
17
85°
76°
18
85°
76°
19
85°
76°
20
86°
75°
21
85°
76°
22
85°
76°
23
86°
75°
24
85°
76°
25
85°
76°
26
86°
75°
27
85°
76°
28
85°
76°
29
86°
75°
30
86°
75°
1
85°
76°
2
85°
74°
3
84°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pearl City
Pearl City's September 2026 forecast shows daily high temperatures ranging from 84° to 90°, with overnight lows between 73° and 78°. The average high for September is 87° 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 Pearl City. See also: October | November | December.
