S
M
T
W
T
F
S
30
94°
74°
31
94°
75°
1
93°
76°
2
94°
76°
3
93°
76°
4
95°
78°
5
95°
78°
6
92°
76°
7
95°
78°
8
94°
77°
9
94°
76°
10
94°
76°
11
93°
76°
12
92°
75°
13
92°
75°
14
94°
76°
15
92°
78°
16
91°
73°
17
90°
76°
18
90°
75°
19
93°
76°
20
88°
76°
21
89°
74°
22
89°
75°
23
91°
75°
24
92°
74°
25
88°
77°
26
88°
77°
27
87°
76°
28
87°
77°
29
88°
77°
30
87°
76°
1
87°
77°
2
86°
77°
3
87°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plantation Island
Plantation Island's September 2026 forecast shows daily high temperatures ranging from 86° to 94°, with overnight lows between 73° and 78°. The average high for September is 90° 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 Plantation Island. See also: October | November | December.
