S
M
T
W
T
F
S
30
81°
68°
31
88°
73°
1
93°
70°
2
94°
74°
3
90°
74°
4
93°
73°
5
84°
67°
6
83°
60°
7
81°
53°
8
86°
59°
9
80°
69°
10
80°
58°
11
81°
53°
12
83°
59°
13
67°
50°
14
70°
44°
15
78°
64°
16
68°
61°
17
75°
64°
18
70°
62°
19
69°
63°
20
67°
58°
21
64°
54°
22
64°
49°
23
72°
48°
24
72°
50°
25
71°
49°
26
73°
43°
27
74°
46°
28
77°
48°
29
80°
47°
30
69°
61°
1
67°
55°
2
66°
43°
3
72°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Freeport
Freeport's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Freeport. See also: October | November | December.
