S
M
T
W
T
F
S
30
103°
78°
31
102°
74°
1
102°
74°
2
102°
78°
3
96°
76°
4
101°
75°
5
103°
75°
6
104°
77°
7
104°
77°
8
104°
81°
9
104°
81°
10
86°
71°
11
98°
67°
12
103°
76°
13
101°
77°
14
101°
78°
15
103°
81°
16
102°
79°
17
101°
74°
18
100°
76°
19
99°
75°
20
91°
70°
21
83°
62°
22
82°
57°
23
84°
63°
24
83°
67°
25
83°
67°
26
85°
64°
27
79°
62°
28
82°
63°
29
81°
57°
30
78°
56°
1
79°
58°
2
78°
56°
3
79°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Shawnee
Shawnee's September 2026 forecast shows daily high temperatures ranging from 78° to 99°, with overnight lows between 56° and 75°. The average high for September is 83° with an average low of 63°. 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 Shawnee. See also: October | November | December.
