S
M
T
W
T
F
S
30
90°
71°
31
90°
73°
1
89°
73°
2
90°
67°
3
86°
65°
4
85°
64°
5
84°
66°
6
86°
69°
7
86°
67°
8
87°
71°
9
91°
71°
10
86°
65°
11
86°
65°
12
85°
70°
13
88°
63°
14
89°
62°
15
83°
62°
16
84°
63°
17
83°
62°
18
84°
63°
19
85°
63°
20
87°
66°
21
88°
67°
22
88°
67°
23
82°
66°
24
83°
66°
25
84°
65°
26
86°
65°
27
87°
64°
28
86°
65°
29
86°
65°
30
87°
64°
1
87°
64°
2
86°
63°
3
86°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sunflower
Sunflower's September 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 56° and 73°. The average high for September is 86° 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 Sunflower. See also: October | November | December.
