S
M
T
W
T
F
S
30
97°
69°
31
98°
75°
1
96°
74°
2
99°
76°
3
99°
76°
4
100°
75°
5
101°
75°
6
105°
72°
7
101°
71°
8
100°
75°
9
97°
73°
10
99°
73°
11
94°
72°
12
96°
73°
13
97°
75°
14
95°
72°
15
94°
71°
16
94°
73°
17
95°
74°
18
94°
72°
19
88°
65°
20
89°
69°
21
91°
71°
22
90°
69°
23
89°
69°
24
89°
68°
25
90°
70°
26
89°
69°
27
88°
68°
28
88°
69°
29
87°
69°
30
88°
68°
1
87°
61°
2
77°
58°
3
76°
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 76° to 105°, with overnight lows between 56° and 75°. The average high for September is 92° with an average low of 69°. 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.
