S
M
T
W
T
F
S
30
84°
63°
31
86°
64°
1
88°
66°
2
89°
66°
3
87°
68°
4
88°
67°
5
89°
62°
6
83°
62°
7
84°
67°
8
83°
64°
9
82°
65°
10
84°
65°
11
86°
66°
12
87°
65°
13
87°
65°
14
86°
66°
15
87°
65°
16
86°
64°
17
86°
64°
18
85°
63°
19
84°
59°
20
84°
58°
21
84°
62°
22
82°
62°
23
82°
61°
24
84°
57°
25
83°
55°
26
82°
59°
27
81°
60°
28
81°
57°
29
79°
58°
30
80°
59°
1
81°
58°
2
81°
58°
3
75°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Winnsboro
Winnsboro's September 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 55° and 68°. The average high for September is 84° with an average low of 62°. 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 Winnsboro. See also: October | November | December.
