S
M
T
W
T
F
S
30
72°
43°
31
70°
45°
1
72°
45°
2
80°
42°
3
82°
46°
4
80°
48°
5
76°
48°
6
71°
42°
7
75°
49°
8
75°
43°
9
68°
45°
10
66°
44°
11
67°
45°
12
67°
41°
13
68°
38°
14
68°
45°
15
70°
48°
16
67°
41°
17
70°
38°
18
70°
42°
19
73°
46°
20
73°
47°
21
66°
35°
22
63°
40°
23
63°
42°
24
61°
35°
25
61°
35°
26
62°
38°
27
65°
43°
28
61°
39°
29
60°
34°
30
60°
40°
1
67°
42°
2
65°
39°
3
60°
41°
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 60° to 82°, with overnight lows between 34° and 49°. The average high for September is 68° with an average low of 42°. 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.
