S
M
T
W
T
F
S
30
90°
66°
31
91°
68°
1
93°
70°
2
94°
69°
3
96°
70°
4
95°
72°
5
86°
70°
6
84°
64°
7
86°
62°
8
87°
67°
9
90°
71°
10
79°
67°
11
80°
65°
12
84°
65°
13
89°
66°
14
90°
68°
15
89°
67°
16
81°
60°
17
80°
60°
18
78°
55°
19
75°
52°
20
78°
52°
21
77°
55°
22
78°
60°
23
80°
59°
24
82°
60°
25
83°
61°
26
83°
60°
27
82°
59°
28
83°
60°
29
82°
60°
30
82°
59°
1
82°
59°
2
79°
52°
3
69°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Winfield
Winfield's September 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 46° and 71°. The average high for September is 82° with an average low of 60°. 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 Winfield. See also: October | November | December.
