S
M
T
W
T
F
S
30
70°
49°
31
61°
47°
1
61°
44°
2
60°
45°
3
59°
38°
4
59°
43°
5
57°
44°
6
59°
42°
7
58°
34°
8
56°
37°
9
58°
33°
10
57°
35°
11
55°
35°
12
57°
36°
13
55°
35°
14
62°
38°
15
67°
44°
16
67°
45°
17
69°
45°
18
68°
46°
19
70°
46°
20
69°
45°
21
66°
44°
22
67°
44°
23
65°
37°
24
62°
37°
25
63°
40°
26
63°
41°
27
60°
40°
28
62°
36°
29
60°
40°
30
61°
38°
1
62°
39°
2
61°
40°
3
63°
31°
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 55° to 70°, with overnight lows between 31° and 49°. The average high for September is 62° with an average low of 40°. 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.
