S
M
T
W
T
F
S
30
91°
71°
31
94°
70°
1
94°
68°
2
92°
70°
3
93°
70°
4
93°
69°
5
92°
70°
6
89°
69°
7
89°
69°
8
90°
68°
9
92°
65°
10
91°
65°
11
88°
66°
12
90°
65°
13
88°
64°
14
86°
63°
15
87°
64°
16
88°
64°
17
87°
63°
18
90°
67°
19
89°
66°
20
87°
67°
21
Hist. Avg.
86°
62°
22
Hist. Avg.
85°
61°
23
Hist. Avg.
85°
61°
24
Hist. Avg.
85°
60°
25
Hist. Avg.
84°
60°
26
Hist. Avg.
84°
59°
27
Hist. Avg.
84°
59°
28
Hist. Avg.
84°
58°
29
Hist. Avg.
83°
58°
30
Hist. Avg.
83°
58°
1
Hist. Avg.
83°
57°
2
Hist. Avg.
82°
57°
3
Hist. Avg.
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Topeka
Topeka's September 2026 forecast shows daily high temperatures ranging from 86° to 94°, with overnight lows between 63° and 71°. The average high for September is 90° 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 Topeka. See also: October | November | December.
