Topeka (KS)
September
Weather in Topeka, Kansas for September 2026
Your guide to Topeka weather in September - trends and predictions
So far, September 2026 in Topeka shows a warmer trend than usual by 2.9 °F.
Expect cooler weather in the next days in Topeka with the forecast suggesting a temperature of 23.9 °F, lower than the historical average.
In general, the average temperature in Topeka at the beginning of September is 30.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.4 °F by the end of September.
The climate of Topeka in September is notably wet, with an average of 11 rainy days, and a total of 125.8 mm of precipitation.
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Temperatures
Rain 🌧️
More
19
Dry days
11
Rainy days
0
Snow days
28°/15°
Temperatures
20 km/h
Avg max wind
65 %
Avg humidity
Topeka Weather September
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Temperatures trend during September in Topeka
See the weather trend as well as the moving average line
September weather in Topeka day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 29° /18° | 20.5 mm | 7 | |
| Sept. 2 | Sunny | 29° /16° | 0 mm | 7 | |
| Sept. 3 |  Overcast | 31° /17° | 0 mm | 7 | |
| Sept. 4 | Sunny | 31° /16° | 0.5 mm | 7 | |
| Sept. 5 | Overcast | 30° /17° | 5.1 mm | 5 | |
| Sept. 6 | Sunny | 31° /15° | 1.5 mm | 6 | |
| Sept. 7 |  Partly cloudy | 31° /13° | 0 mm | 7 | |
| Sept. 8 | Sunny | 29° /15° | 3.1 mm | 7 | |
| Sept. 9 | Sunny | 30° /16° | 21.6 mm | 5 | |
| Sept. 10 | Sunny | 29° /17° | 15.8 mm | 5 | |
| Sept. 11 | Sunny | 33° /16° | 0 mm | 8 | |
| Sept. 12 | Partly cloudy | 32° /18° | 4.6 mm | 7 | |
| Sept. 13 | Sunny | 30° /17° | 1.5 mm | 6 | |
| Sept. 14 | Overcast | 33° /17° | 0.4 mm | 7 | |
| Sept. 15 | Partly cloudy | 33° /18° | 1.5 mm | 6 | |
| Sept. 16 | Overcast | 32° /18° | 5.4 mm | 6 | |
| Sept. 17 | Overcast | 33° /20° | 0 mm | 7 | |
| Sept. 18 |  Cloudy | 31° /21° | 1.7 mm | 7 | |
| Sept. 19 |  Moderate or heavy rain shower | 33° /18° | 12 mm | 7 | |
| Sept. 20 | Overcast | 25° /17° | 2.4 mm | 4 | |
| Sept. 21 |  Heavy rain at times | 27° /18° | 3.6 mm | 5 | |
| Sept. 22 | Sunny | 22° /14° | 0 mm | 6.3 | |
| Sept. 23 | Sunny | 23° /14° | 0 mm | 6.8 | |
| Sept. 24 | Overcast | 23° /15° | 0 mm | 5.5 | |
| Sept. 25 |  Patchy rain possible | 20° /17° | 1.4 mm | 2.1 | |
| Sept. 26 | Patchy rain possible | 26° /17° | 3.3 mm | 5.3 | |
| Sept. 27 | Sunny | 26° /18° | 0 mm | 7 | |
| Sept. 28 | Sunny | 27° /16° | 0 mm | 7 | |
| Sept. 29 | Overcast | 29° /20° | 0.6 mm | 6 | |
| Sept. 30 | Light rain shower | 27° /19° | 13.7 mm | 6 | |
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Important Notice
Our weather forecast for Topeka in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Topeka forecast closer to your planned date for the most up-to-date weather information.
Change Month
Topeka in September - FAQ
What are the expected maximum and minimum temperatures in Topeka during September?
During September, expect a variety of temperatures with highs around 28° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Topeka during September?
Significant rainfall exceeding 125.8 mm is expected in Topeka during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Topeka during September?
The average wind speed in Topeka during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Topeka
Explore the daily rainfall trends and prepare for Topekas September weather 💧
Typically, Topeka has 11 rainy days in September with a total of 125.8 mm of rainfall.
UV exposure in Topeka during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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