S
M
T
W
T
F
S
30
65°
56°
31
68°
53°
1
68°
51°
2
67°
50°
3
66°
55°
4
67°
53°
5
69°
48°
6
65°
47°
7
62°
50°
8
64°
53°
9
65°
54°
10
66°
50°
11
67°
47°
12
62°
49°
13
67°
54°
14
64°
51°
15
63°
50°
16
Hist. Avg.
64°
49°
17
Hist. Avg.
64°
48°
18
Hist. Avg.
64°
48°
19
Hist. Avg.
64°
48°
20
Hist. Avg.
63°
48°
21
Hist. Avg.
63°
47°
22
Hist. Avg.
63°
47°
23
Hist. Avg.
62°
47°
24
Hist. Avg.
62°
46°
25
Hist. Avg.
62°
46°
26
Hist. Avg.
62°
46°
27
Hist. Avg.
61°
46°
28
Hist. Avg.
61°
45°
29
Hist. Avg.
61°
45°
30
Hist. Avg.
60°
45°
1
Hist. Avg.
60°
45°
2
Hist. Avg.
60°
44°
3
Hist. Avg.
60°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Freeport
Freeport's September 2026 forecast shows daily high temperatures ranging from 62° to 69°, with overnight lows between 47° and 56°. The average high for September is 66° with an average low of 51°. 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.
