The temperatures in Topeka in September are comfortable with low of 15°C and and high up to 27°C.
You can expect about 3 to 8 days of rain in Topeka during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Topeka in September 2025.
If you’re planning to visit Topeka in the near future, we highly recommend that you review the 14 day weather forecast for Topeka before you arrive.
Temperatures
27° / 15°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
114
mm
Sun Hours
10.5
Hrs