S
M
T
W
T
F
S
30
85°
68°
31
N/A
1
85°
63°
2
82°
68°
3
86°
68°
4
86°
69°
5
85°
65°
6
85°
62°
7
78°
63°
8
77°
62°
9
79°
57°
10
75°
55°
11
75°
52°
12
78°
58°
13
77°
58°
14
78°
57°
15
78°
56°
16
77°
54°
17
77°
56°
18
78°
56°
19
77°
55°
20
76°
55°
21
77°
56°
22
78°
57°
23
78°
56°
24
77°
56°
25
77°
55°
26
76°
53°
27
77°
54°
28
76°
53°
29
75°
52°
30
75°
54°
1
74°
53°
2
75°
53°
3
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Freeborn
Freeborn's September 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 51° and 69°. The average high for September is 78° with an average low of 57°. 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 Freeborn. See also: October | November | December.
