S
M
T
W
T
F
S
30
91°
76°
31
91°
75°
1
92°
74°
2
89°
75°
3
90°
75°
4
88°
74°
5
88°
74°
6
89°
75°
7
88°
74°
8
88°
74°
9
88°
73°
10
87°
75°
11
88°
75°
12
88°
74°
13
89°
74°
14
92°
72°
15
92°
73°
16
91°
72°
17
92°
73°
18
91°
72°
19
92°
73°
20
91°
72°
21
89°
72°
22
89°
70°
23
90°
70°
24
89°
71°
25
90°
71°
26
89°
72°
27
88°
71°
28
88°
71°
29
87°
70°
30
88°
71°
1
89°
71°
2
90°
70°
3
90°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Port LaBelle
Port LaBelle's September 2026 forecast shows daily high temperatures ranging from 87° to 92°, with overnight lows between 70° and 76°. The average high for September is 89° with an average low of 73°. 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 Port LaBelle. See also: October | November | December.
