S
M
T
W
T
F
S
30
82°
67°
31
86°
68°
1
89°
72°
2
91°
72°
3
92°
70°
4
88°
69°
5
83°
69°
6
77°
59°
7
78°
56°
8
82°
68°
9
80°
64°
10
77°
51°
11
78°
57°
12
83°
63°
13
82°
67°
14
85°
70°
15
76°
58°
16
74°
55°
17
74°
54°
18
68°
50°
19
68°
49°
20
70°
48°
21
69°
50°
22
68°
55°
23
69°
56°
24
75°
55°
25
77°
56°
26
76°
55°
27
75°
55°
28
77°
56°
29
77°
57°
30
76°
56°
1
76°
53°
2
74°
48°
3
62°
44°
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 62° to 85°, with overnight lows between 44° and 70°. The average high for September is 75° with an average low of 56°. 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.
