Last updated: June 24, 2025
In September, the average temperature in Kansas, United States hovers around 21°C (71°F), providing a comfortable climate for outdoor activities. Expect a minimum chill of 6°C (43°F) and a maximum warmth reaching 33°C (92°F). With an average precipitation of 68 mm (2.7 in) over 7 days, you might want to keep an umbrella handy. The humidity is comparatively high, at 79%, adding a touch of tropical feel to your visit!
In September in Kansas, the average temperature is 21°C (71°F), with maximums reaching 33°C (92°F) and minimums dropping to as low as 6°C (43°F), making it an ideal time for travelers to experience a pleasant climate and enjoy outdoor activities.
In Kansas in September, the precipitation amount is 68 mm (2.7 in) over the course of 7 days.
In Kansas in September humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.
In Kansas in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Kansas.
UV Risk Categories
Weather in Kansas varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kansas, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 80 mm (3.1 inches) | 84% | moderate |
| February Weather | 1°C (34°F) | 83 mm (3.3 inches) | 82% | moderate |
| March Weather | 7°C (44°F) | 130 mm (5.1 inches) | 84% | high |
| April Weather | 12°C (53°F) | 114 mm (4.5 inches) | 83% | very high |
| May Weather | 19°C (66°F) | 138 mm (5.4 inches) | 80% | very high |
| June Weather | 24°C (75°F) | 110 mm (4.3 inches) | 83% | extreme |
| July Weather | 25°C (78°F) | 118 mm (4.7 inches) | 82% | very high |
| August Weather | 24°C (75°F) | 114 mm (4.5 inches) | 82% | very high |
| September Weather | 21°C (71°F) | 68 mm (2.7 inches) | 79% | very high |
| October Weather | 14°C (58°F) | 112 mm (4.4 inches) | 79% | high |
| November Weather | 6°C (42°F) | 91 mm (3.6 inches) | 88% | moderate |
| December Weather | 3°C (37°F) | 70 mm (2.8 inches) | 87% | moderate |