Last updated: February 24, 2025
Kansas City in September showcases a vibrant transition from summer to autumn, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 33°C (92°F). The average temperature settles comfortably at 22°C (72°F), inviting residents and visitors alike to enjoy the outdoors. However, the month also brings a touch of humidity, averaging around 72%, alongside 87 mm (3.4 in) of rain spread over seven days. This blend of warmth and occasional showers makes September a dynamic time in Kansas City, perfect for experiencing the city's rich cultural offerings amidst a backdrop of changing leaves.
As September arrives in Kansas City, the transition from summer to autumn brings a delightful shift in temperatures. The month typically begins with minimum temperatures around 5°C (41°F), allowing for crisp, refreshing mornings. By midday, the city enjoys an average temperature of 22°C (72°F), perfect for outdoor activities, while the afternoons can heat up to a max of 33°C (92°F), reminiscent of the lingering warmth of summer. This indicates a noticeable dip from the scorching heights of July and August, yet the weather remains comfortably warm, making September a charming month for both locals and visitors to experience the vibrant fall foliage and cultural festivities.
In September, Kansas City experiences a dip in precipitation compared to the summer months, with an average rainfall of 87 mm (3.4 in) over 7 days. This marks a transition as the city moves from the lush, wet conditions of May, which boasts the highest precipitation at 215 mm (8.5 in), to drier autumn days. The rainfall in September is significantly lower than the 126 mm (5.0 in) recorded in August, indicating a shift towards a cooler and somewhat drier climate as fall approaches. Despite this decrease, September still remains a relatively wet month, setting the stage for the moderate precipitation typical of the upcoming months like October, which sees a slight increase to 113 mm (4.5 in) over 11 days. This gradual change in rainfall patterns reflects the seasonal transition that characterizes Kansas City's weather.
As the summer heat begins to wane, September in Kansas City reveals a noticeable shift in humidity levels, dropping to 72%. This decline marks the end of a humid stretch that peaks in June at 83% and remains high throughout July and early August. The transition to fall sees humidity levels stabilize further into October, maintaining at 72%. Interestingly, while the city's climate is generally characterized by higher humidity in the early months of the year—averaging around 80% in January—September offers a refreshing reprieve that hints at the crispness of the upcoming autumn. This trend not only underscores the seasonal variations but also enhances the overall comfort of the Kansas City atmosphere during this time.
As September rolls into Kansas City, the UV Index stands at 9, signaling a very high exposure category with a burn time of just 15 minutes. This trend marks a gradual decline from the peak levels seen in the summer months, where the index reached an extreme 11 in both June and July. Although the blazing intensity of the summer sun eases off slightly, individuals should remain vigilant, as the UV rays can still be potent. With fall approaching, it’s essential to stay informed about sun protection strategies. To learn more about the UV Index throughout the year, check out Kansas City UV Index.
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As the warm embrace of September settles over Kansas City, the skies continue to shine brightly, boasting an impressive 286 hours of sunshine. This month marks a gentle transition from the sweltering heights of July’s 363 hours, highlighting September's role as a soothing bridge toward the cooler fall months. The sunshine begins to wane as the days grow shorter, but the lingering warmth of summer remains evident, outshining the gloomy days of winter, which average around 148 to 216 hours at their peak. Overall, September serves as a reminder of summer’s abundance while hinting at the coziness of autumn, making it a delightful time to bask in the golden glow before the season changes.
As September rolls into Kansas City, the likelihood of sunny weather reaches a notable 74%, marking a delightful transition into autumn. This surge in sunshine follows the summer months, where July and August enjoy 52% and 59% sunshine probabilities, respectively. The gradual climb from spring, where the chance hovers around 50% in April, showcases a consistent upward trend as the days grow warmer and longer. By September, outdoor enthusiasts can relish in the clear skies and pleasant temperatures, making it an ideal time for outdoor activities and gatherings. The forecasts indicate that sunshine is not just a possibility this month—it's almost a certainty!
As summer fades into autumn, September in Kansas City marks a notable transition in daylight duration, offering approximately 12 hours of daylight. This decrease follows the peak summer months of June, July, and August, where residents enjoyed 14 hours of sunshine. The gradual shift from the bright and long days of summer to the shorter days of fall can be seen in the consistent pattern of diminishing daylight. October will bring even less sunlight, with only 11 hours, indicating a steady retreat toward winter's early evenings. This seasonal rhythm not only shapes the city's landscape but also influences various activities and routines as the community prepares for the changing weather and shorter days ahead.
As summer fades into autumn, September in Kansas City welcomes a gentle breeze with an average wind speed of 3.4 m/s (8 mph), maintaining a refreshing yet calm atmosphere reminiscent of late summer days. This slight uptick from the summer's lows reflects a gradual shift, as the city's winds begin to pick up again after their most tranquil months in June and July. Across the year, February, March, and November display similar averages, indicating a consistent level of breeziness that complements the changing seasons. As the trees begin to shed their leaves, the September winds carry hints of autumn, inviting residents to enjoy the beautiful transition into a vibrant fall landscape.
The weather in Kansas City changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Kansas City and find detailed weather information for every month.
September and January present starkly contrasting weather conditions. In September, temperatures range from a mild 5°C (41°F) to a warm 33°C (92°F), with an average of 22°C (72°F). The month experiences about 87 mm (3.4 in) of precipitation over 7 days, coupled with a humidity level of 72%. In contrast, January brings much colder temperatures, with a low of -23°C (-9°F) and a maximum of 18°C (64°F), averaging around 0°C (31°F). Precipitation decreases to 56 mm (2.2 in) over 5 days, with humidity slightly higher at 80%. For further insights into the chilly weather, refer to Kansas City weather in January.
September and February present strikingly different weather patterns. In September, temperatures range from a chilly 5°C (41°F) at night to a warm 33°C (92°F) during the day, with an average temperature of 22°C (72°F). The month sees around 87 mm (3.4 in) of rainfall over seven days and maintains a humidity level of 72%. In contrast, February is much colder, with minimum temperatures plummeting to -26°C (-15°F) and maximums reaching 24°C (76°F), averaging around 0°C (33°F). This winter month experiences less precipitation, totaling 40 mm (1.6 in), but maintains a slightly higher humidity at 78%. For more specifics on February conditions, you can refer to Kansas City weather in February.
September and March present striking contrasts in weather. In September, temperatures range from a mild 5°C (41°F) to a warm 33°C (92°F), with an average of 22°C (72°F), making it a pleasant month for outdoor activities. However, it experiences about 87 mm (3.4 in) of precipitation over approximately 7 days, contributing to a humidity level of 72%. In March, the climate shifts dramatically, with temperatures starting at a chilling -19°C (-3°F) and peaking at 29°C (84°F), averaging only 8°C (47°F). This month also has slightly more precipitation at 97 mm (3.8 in) over 11 days, with humidity just a bit higher at 75%. For a more detailed view of March’s weather patterns, check out Kansas City weather in March.
In comparing the weather between September and April, we observe significant differences in temperature and precipitation patterns. September typically features a comfortable range with minimums around 5°C (41°F) and average highs reaching up to 33°C (92°F), while April starts off quite cold, with minimum temperatures dropping as low as -7°C (19°F) and an average maximum of 30°C (87°F). Both months experience noticeable rainfall, with September receiving about 87 mm (3.4 in) over 7 days, compared to April's slightly higher 93 mm (3.7 in) across 11 days. Humidity levels also differ slightly, as September has a humidity of 72%, while April registers at 77%. For a detailed overview of what to expect during April, check out Kansas City weather in April.
When comparing the weather in September and May, several notable differences emerge. September typically features a minimum temperature of 5°C (41°F) and an average of 22°C (72°F), with maximum temperatures reaching up to 33°C (92°F). In contrast, May sees slightly cooler temperatures, with a minimum of 3°C (38°F) and an average of 19°C (66°F), peaking at 34°C (93°F). Precipitation also plays a significant role; September experiences 87 mm (3.4 in) over about 7 days, while May is much wetter with 215 mm (8.5 in) across approximately 15 days. Additionally, humidity levels are higher in May at 82%, compared to 72% in September. For a more detailed look, check out Kansas City weather in May.
When comparing the weather in September and June, September tends to have slightly cooler temperatures with a minimum of 5°C (41°F) and an average of 22°C (72°F), while June boasts warmer conditions with a minimum of 11°C (52°F) and an average of 25°C (77°F). The maximum temperature in June can reach up to a sweltering 37°C (99°F), compared to September's peak of 33°C (92°F). Both months experience significant precipitation, with September totaling 87 mm (3.4 in) over 7 days and June receiving 94 mm (3.7 in) spread across 10 days. Additionally, humidity levels are higher in June at 83%, compared to 72% in September. For more detailed insights about June weather, you can refer to Kansas City weather in June.
September and July present contrasting weather patterns, with July generally being warmer and more humid. In July, temperatures range from a minimum of 16°C (61°F) to a maximum of 37°C (99°F), with an average temperature of 26°C (80°F). In contrast, September offers cooler conditions, showing a minimum of 5°C (41°F) and a maximum of 33°C (92°F), with an average of 22°C (72°F). Precipitation is higher in July, totaling 118 mm (4.6 in) over 9 days, compared to 87 mm (3.4 in) over 7 days in September. The humidity also tends to be slightly higher in July at 81%, while September's humidity averages around 72%. For a more detailed look, check out Kansas City weather in July.
In comparison to August, September experiences a notable drop in temperatures, with minimums reaching 5°C (41°F) compared to August's milder minimum of 12°C (54°F). The average temperature in September is 22°C (72°F), which is slightly cooler than August's 25°C (77°F), and the maximum temperature peaks at 33°C (92°F), lower than August's maximum of 35°C (96°F). Additionally, September sees a reduction in precipitation, totaling 87 mm (3.4 in) over just 7 days, while August is wetter, with 126 mm (5.0 in) over 12 days. Humidity levels are relatively high in both months, with September at 72% and August slightly higher at 78%. For more details on the August weather in Kansas City, visit Kansas City weather in August.
September and October exhibit notable contrasts in weather characteristics. In September, temperatures range from a mild 5°C (41°F) at night to a warm average of 22°C (72°F), peaking at a high of 33°C (92°F). Rainfall averages 87 mm (3.4 in) over about 7 days, with humidity consistently high at 72%. In contrast, October experiences cooler temperatures, with nighttime lows dropping to -2°C (29°F) and an average of 14°C (57°F), while still reaching highs around 32°C (89°F). Precipitation increases to 113 mm (4.5 in) over roughly 11 days, maintaining the same humidity level of 72%. For more detailed insights, check the Kansas City weather in October.
September and November showcase a striking contrast in weather patterns. September typically experiences milder temperatures, with averages around 22°C (72°F) and maximums reaching up to 33°C (92°F). In contrast, November sees a notable drop, with average temperatures decreasing to about 7°C (44°F) and minimums plummeting to as low as -14°C (8°F). Additionally, September has higher humidity at 72% and more precipitation spread over 7 days (87 mm/3.4 in), compared to November's drier conditions with 47 mm (1.8 in) over just 5 days. For a more detailed look at November weather, check out Kansas City weather in November.
The weather in September is considerably warmer, with average temperatures around 22°C (72°F) and highs reaching up to 33°C (92°F), while December's average drops dramatically to just 3°C (38°F), with minimums plummeting to -18°C (-1°F). Additionally, September experiences more precipitation, averaging 87 mm (3.4 in) over 7 days, compared to December's lighter rainfall of 33 mm (1.3 in) across only 4 days. Humidity levels are also higher in December at 86%, compared to September's 72%. For more details on December weather specifics, visit Kansas City weather in December.
As September unfolds in Kansas City, the weather begins to transition from the sweltering summer heat to more mild and pleasant conditions. While maximum temperatures can soar up to 33°C (92°F), the average cools to a comfortable 22°C (72°F), providing a refreshing change for residents and visitors alike. However, it’s important to note that September also brings occasional rainfall, with about 87 mm (3.4 in) of precipitation spread over roughly a week. The humidity levels hover around 72%, creating a characteristic late-summer feel. This blend of warmth and moisture distinguishes September from the earlier summer months, setting the stage for the vibrant fall season that follows. For more insights into overall trends, check out Kansas City Climate.