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September Weather in Overland Park, United States

Last updated: June 24, 2025

In Overland Park, United States, the average temperature in September hovers around 22°C (72°F), offering a comfortable climate ideal for exploration. However, be prepared for temperature fluctuations, as it can dip to a cool 5°C (42°F) or soar to a warm 33°C (92°F). This month experiences an average precipitation of 86 mm (3.4 in) over 8 days, so pack an umbrella just in case! With an average humidity of 72%, the air can feel a bit moistened, adding to the atmosphere of this vibrant locale.

September Temperature in Overland Park

In September, in Overland Park, the average temperature is 22°C (72°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 5°C (42°F). Therefore, visitors should pack clothing suitable for both warm and cooler weather, ensuring a comfortable stay.

September Weather in Overland Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Overland Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Overland Park, September typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec313346546677807772574438
Data source: Temperature data for Overland Park generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Overland Park

In Overland Park in September, the precipitation amount reaches 86 mm (3.4 in) over the course of 8 days.

September Precipitation Trends in Overland Park

The chart displays monthly precipitation patterns in Overland Park, 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 Overland Park, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5436999120894113127861104534
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Overland Park

In Overland Park in September humidity is 72%. With an average temperature of 22°C (72°F), this humidity feels like you are stepping into a warm, embracing blanket, making traveling feel sweaty and slightly stifling, but the balmy weather is also quite perfect for exploring local attractions.

September Average Humidity in Overland Park

This chart illustrates the average monthly humidity levels in Overland Park, 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 Overland Park is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Overland Park

In Overland Park 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 Overland Park.

Maximum UV Index Levels in Overland Park for September

The chart shows the monthly maximum UV Index (UVI) for Overland Park 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 Overland Park typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Overland Park 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 Overland Park Compares to Other Months

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

This table compares monthly weather conditions in Overland Park, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)54 mm (2.1 inches)80%moderate
February Weather0°C (33°F)36 mm (1.4 inches)78%moderate
March Weather8°C (47°F)99 mm (3.9 inches)75%high
April Weather12°C (54°F)91 mm (3.6 inches)77%very high
May Weather19°C (66°F)208 mm (8.2 inches)82%very high
June Weather25°C (77°F)94 mm (3.7 inches)83%extreme
July Weather27°C (80°F)113 mm (4.4 inches)81%extreme
August Weather25°C (77°F)126 mm (5.0 inches)78%very high
September Weather22°C (72°F)86 mm (3.4 inches)72%very high
October Weather14°C (57°F)110 mm (4.3 inches)72%high
November Weather7°C (44°F)45 mm (1.8 inches)84%moderate
December Weather3°C (38°F)34 mm (1.3 inches)86%moderate

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