S
M
T
W
T
F
S
30
85°
60°
31
86°
60°
1
90°
54°
2
92°
54°
3
82°
56°
4
83°
57°
5
86°
60°
6
91°
64°
7
93°
65°
8
93°
56°
9
88°
56°
10
87°
62°
11
85°
63°
12
91°
57°
13
93°
54°
14
82°
61°
15
87°
62°
16
91°
60°
17
90°
51°
18
82°
53°
19
79°
56°
20
85°
59°
21
88°
59°
22
87°
58°
23
87°
58°
24
86°
57°
25
86°
57°
26
85°
58°
27
86°
57°
28
86°
57°
29
85°
56°
30
84°
56°
1
83°
45°
2
84°
45°
3
74°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Goodwell
Goodwell's September 2026 forecast shows daily high temperatures ranging from 74° to 93°, with overnight lows between 45° and 65°. The average high for September is 86° with an average low of 57°. 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 Goodwell. See also: October | November | December.