S
M
T
W
T
F
S
30
97°
66°
31
97°
73°
1
99°
75°
2
99°
76°
3
100°
75°
4
101°
75°
5
102°
76°
6
103°
75°
7
95°
68°
8
98°
76°
9
96°
73°
10
95°
71°
11
90°
71°
12
96°
70°
13
97°
71°
14
92°
70°
15
90°
67°
16
89°
66°
17
91°
67°
18
92°
65°
19
89°
63°
20
85°
61°
21
90°
67°
22
89°
66°
23
89°
66°
24
88°
65°
25
89°
67°
26
88°
66°
27
88°
65°
28
87°
66°
29
87°
65°
30
86°
65°
1
85°
57°
2
75°
54°
3
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wynne
Wynne's September 2026 forecast shows daily high temperatures ranging from 75° to 98°, with overnight lows between 52° and 76°. The average high for September is 89° with an average low of 66°. 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 Wynne. See also: October | November | December.
