S
M
T
W
T
F
S
30
89°
70°
31
89°
71°
1
88°
73°
2
90°
73°
3
90°
73°
4
93°
74°
5
91°
73°
6
89°
72°
7
88°
75°
8
93°
75°
9
94°
74°
10
93°
75°
11
92°
74°
12
92°
76°
13
92°
73°
14
91°
75°
15
94°
74°
16
93°
75°
17
92°
74°
18
91°
75°
19
92°
74°
20
89°
75°
21
87°
76°
22
88°
74°
23
87°
73°
24
87°
75°
25
88°
75°
26
87°
74°
27
87°
75°
28
88°
75°
29
87°
74°
30
87°
75°
1
86°
74°
2
87°
75°
3
88°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Immokalee
Immokalee's September 2026 forecast shows daily high temperatures ranging from 86° to 94°, with overnight lows between 73° and 76°. The average high for September is 90° 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 Immokalee. See also: October | November | December.