S
M
T
W
T
F
S
30
97°
77°
31
97°
73°
1
91°
78°
2
100°
81°
3
93°
75°
4
91°
79°
5
97°
75°
6
90°
79°
7
99°
75°
8
96°
74°
9
91°
73°
10
92°
74°
11
96°
74°
12
96°
75°
13
97°
73°
14
97°
72°
15
93°
71°
16
91°
73°
17
92°
72°
18
91°
69°
19
91°
67°
20
86°
68°
21
88°
66°
22
91°
69°
23
90°
70°
24
89°
70°
25
87°
69°
26
89°
69°
27
89°
68°
28
88°
69°
29
89°
69°
30
87°
65°
1
83°
59°
2
79°
59°
3
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pine Island
Pine Island's September 2026 forecast shows daily high temperatures ranging from 79° to 97°, with overnight lows between 58° and 75°. The average high for September is 90° with an average low of 69°. 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 Pine Island. See also: October | November | December.
