nomadseason

September Weather in Topeka, United States

Last updated: June 24, 2025

In September, the average temperature in Topeka, United States hovers around 22°C (72°F). Expect a range from a cool 6°C (43°F) to a warm 34°C (94°F). During this month, anticipate approximately 87 mm (3.4 in) of precipitation spread over 8 days, with an average humidity of 71%.

September Temperature in Topeka

In September in Topeka, the average temperature is 22°C (72°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 6°C (43°F). This variety in temperature makes Topeka an ideal destination for travelers seeking both warmth and cooler experiences.

September Weather in Topeka: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Topeka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Topeka, September typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec313347546677807772574437
Data source: Temperature data for Topeka generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Topeka

In Topeka in September, the precipitation amount is 87 mm (3.4 in), which occurs over a span of 8 days.

September Precipitation Trends in Topeka

The chart displays monthly precipitation patterns in Topeka, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Topeka, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4328101922129893136871213932
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Topeka

In Topeka in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Topeka

This chart illustrates the average monthly humidity levels in Topeka, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Topeka is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Topeka

In Topeka in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Topeka.

Maximum UV Index Levels in Topeka for September

The chart shows the monthly maximum UV Index (UVI) for Topeka in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Topeka typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Topeka September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Topeka Compares to Other Months

Weather in Topeka varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Topeka, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Topeka, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)43 mm (1.7 inches)76%moderate
February Weather0°C (33°F)28 mm (1.1 inches)77%moderate
March Weather8°C (47°F)101 mm (4.0 inches)70%high
April Weather12°C (55°F)92 mm (3.6 inches)73%very high
May Weather19°C (66°F)212 mm (8.3 inches)82%very high
June Weather25°C (78°F)98 mm (3.9 inches)82%extreme
July Weather27°C (81°F)93 mm (3.7 inches)81%extreme
August Weather25°C (77°F)136 mm (5.4 inches)78%very high
September Weather22°C (72°F)87 mm (3.4 inches)71%very high
October Weather14°C (57°F)121 mm (4.8 inches)71%high
November Weather7°C (44°F)38 mm (1.5 inches)81%moderate
December Weather3°C (38°F)32 mm (1.3 inches)84%moderate

Compare Topeka's Climate with Cities Worldwide