S
M
T
W
T
F
S
30
102°
78°
31
101°
77°
1
101°
69°
2
101°
72°
3
99°
73°
4
99°
72°
5
101°
71°
6
99°
73°
7
99°
72°
8
103°
78°
9
86°
73°
10
85°
68°
11
89°
63°
12
79°
63°
13
79°
63°
14
96°
63°
15
93°
69°
16
91°
67°
17
96°
70°
18
96°
72°
19
95°
72°
20
77°
66°
21
75°
63°
22
75°
60°
23
76°
59°
24
76°
58°
25
69°
60°
26
73°
64°
27
81°
63°
28
80°
63°
29
78°
63°
30
77°
68°
1
73°
52°
2
70°
47°
3
71°
52°
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 70° to 73°, with overnight lows between 47° and 52°. The average high for September is 71° with an average low of 50°. 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.
