S
M
T
W
T
F
S
30
100°
80°
31
101°
80°
1
100°
79°
2
99°
79°
3
98°
77°
4
98°
77°
5
99°
75°
6
98°
73°
7
93°
72°
8
94°
73°
9
92°
72°
10
87°
65°
11
84°
64°
12
86°
63°
13
87°
64°
14
81°
60°
15
85°
66°
16
86°
66°
17
86°
67°
18
85°
67°
19
85°
66°
20
84°
66°
21
85°
65°
22
85°
66°
23
84°
65°
24
84°
64°
25
83°
64°
26
82°
62°
27
83°
63°
28
83°
63°
29
82°
62°
30
82°
63°
1
81°
62°
2
81°
62°
3
80°
61°
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 80° to 100°, with overnight lows between 60° and 79°. The average high for September is 87° with an average low of 67°. 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.
