S
M
T
W
T
F
S
30
105°
77°
31
103°
73°
1
102°
72°
2
102°
75°
3
100°
73°
4
100°
73°
5
102°
75°
6
105°
73°
7
101°
77°
8
103°
78°
9
103°
70°
10
90°
70°
11
94°
72°
12
97°
72°
13
98°
70°
14
91°
60°
15
80°
56°
16
83°
59°
17
86°
62°
18
83°
61°
19
85°
60°
20
81°
56°
21
86°
63°
22
85°
63°
23
86°
62°
24
82°
62°
25
73°
61°
26
78°
61°
27
79°
60°
28
79°
61°
29
78°
60°
30
80°
50°
1
69°
46°
2
69°
46°
3
68°
45°
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 68° to 103°, with overnight lows between 45° and 78°. The average high for September is 85° 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 Winfield. See also: October | November | December.
