S
M
T
W
T
F
S
30
102°
78°
31
101°
77°
1
101°
69°
2
101°
77°
3
99°
75°
4
97°
74°
5
98°
72°
6
99°
73°
7
99°
73°
8
99°
75°
9
101°
73°
10
95°
65°
11
84°
65°
12
88°
64°
13
89°
63°
14
85°
61°
15
81°
50°
16
86°
63°
17
85°
64°
18
74°
54°
19
78°
60°
20
81°
62°
21
75°
60°
22
82°
60°
23
81°
59°
24
82°
61°
25
80°
58°
26
70°
50°
27
70°
48°
28
69°
46°
29
69°
50°
30
75°
49°
1
73°
54°
2
72°
50°
3
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Topeka
Topeka's September 2026 forecast shows daily high temperatures ranging from 67° to 101°, with overnight lows between 46° and 77°. The average high for September is 84° with an average low of 61°. 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 Topeka. See also: October | November | December.
