Last updated: February 24, 2025
September in Lexington, United States, showcases a striking blend of warm and mild weather. The maximum temperature can peak at a sizzling 36°C (97°F), while a more comfortable average hovers around 22°C (71°F), contrasting with cooler nights that can drop to a refreshing 8°C (46°F). This month also brings a moderate precipitation total of 128 mm (5.1 in), spread over about 9 rainy days, adding a touch of greenery to the surroundings. With an average humidity level of 67%, September in Lexington balances warmth and moisture, making it a characteristically vibrant month.
In September, temperatures in Lexington, United States, begin to shift from the summer's lingering warmth toward the crispness of fall. With a minimum of 8°C (46°F) and an average of 22°C (71°F), the days are still pleasantly warm, while the highs can reach a balmy 36°C (97°F). This month serves as a bridge, showcasing a gradual dip in temperatures compared to the sweltering August, yet it maintains a notable warmth that beckons outdoor activities. As the month progresses, residents experience the beginning of autumn's embrace, making September an ideal time for enjoying the transition in nature, with vibrant foliage soon on the horizon.
In September, Lexington experiences a moderate shift in precipitation, with an average of 128 mm (5.1 in) of rain falling over about 9 days. This marks a notable increase from the drier summer months of July and August, which recorded only 96 mm (3.8 in) and 92 mm (3.6 in) respectively. As the city transitions into autumn, this uptick in rainfall not only supports the lush greenery that defines the region but also sets the stage for the wetter months ahead, where October and December also see significant levels of rainfall. With September serving as a bridge between the warmer and cooler seasons, its precipitation levels reflect a natural rhythm, perfectly intertwining with Lexington's climate patterns.
In Lexington, September marks a notable transition in humidity levels. Following the summer's peak dryness in August at 66%, the air becomes slightly more moist with September's humidity rising to 67%. This subtle increase signifies the approach of fall, as the temperatures drop and the changing season brings with it a more comfortable atmosphere. The trend shows a gradual decline from the high humidity levels typical of winter months, hovering around 88% in January and February. Interestingly, while September's humidity is a reprieve from the summer heat, it foreshadows the wetter months ahead, with October seeing a significant rise again to 76% as nature prepares for the upcoming cooler weather.
As September rolls in, Lexington experiences a UV Index of 9, categorizing it as very high and marking a slight decline from the peak intensity in the summer months. With a burn time of just 15 minutes, it's a reminder to stay vigilant about sun protection, especially as the season transitions. This trend follows an intense summer, where the UV Index reached its highest at 11 in June and consistently remained at 10 throughout July and August. As autumn approaches, UV levels will continue to decrease, bringing a welcome relief for those looking to enjoy the outdoors safely. For more details, check out the comprehensive guide at Lexington UV Index.
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As September settles into Lexington, the sunshine continues to grace the region with a remarkable 282 hours of radiant daylight, marking a gentle transition from the summer's peak brightness. Following the sun-kissed months of July and August, which boasted 342 and 317 hours respectively, September's luster remains vibrant but shows a notable decline as autumn approaches. This gradual decrease hints at the shifting seasons, with October expected to bring in 256 hours. Despite the drop, September offers a golden opportunity for outdoor activities, showcasing the lingering warmth of summer while hinting at the cozy embrace of fall. The month stands as a delightful bridge, ensuring that residents can still savor plentiful sunshine before the days grow shorter.
As September rolls into Lexington, residents can look forward to an increasing likelihood of sunny days, with a 53% chance of sun gracing the skies. This uptick follows a steady climb from a low of 25% in February and a more moderate average of 38% during the summer months. By this time of year, as temperatures begin to cool yet remain pleasant, the 50% mark in April hints at a transition toward greater sunshine. In a notable trend, September emerges as one of the sunniest months, surpassing October's 38% chance and rivaling November’s 52%. This delightful shift provides a perfect backdrop for outdoor activities and enjoying Lexington's vibrant fall colors.
As September arrives in Lexington, the daylight hours begin their gentle descent after the long, sun-drenched summer months. With 12 hours of daylight, this transition marks a noticeable shift from the 14 hours enjoyed in June, July, and August. While the days are still relatively long, the fading light hints at the upcoming autumn season. This pattern reflects a consistent annual rhythm, where daylight gradually decreases from the peak of summer, and the crispness of fall starts to usurp the warmth of summer evenings. As the month unfolds, residents may find themselves savoring those sunset-lit moments just a little longer before they dip further into shorter days.
As summer transitions into autumn, September's wind in Lexington offers a refreshing change, with an average speed of 2.5 m/s (6 mph). This marks a slight uptick from the calm breezes of August, where winds slowed to 1.9 m/s (4 mph). Interestingly, September maintains a steady pace akin to the spring months of April and May, suggesting a moderate environment that encourages outdoor activities. Looking back, wind speeds reached their annual peak in December at 3.3 m/s (7 mph), with the winter months generally bringing a brisker flow compared to the calmer summer months. Overall, September finds a pleasant balance, creating an inviting atmosphere for enjoying the lingering warmth of the season.
The weather in Lexington 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 Lexington and find detailed weather information for every month.
September and January present contrasting weather extremes. In September, temperatures range from a cool minimum of 8°C (46°F) to a scorching maximum of 36°C (97°F), with an average temperature of 22°C (71°F) and 128 mm (5.1 in) of precipitation over about 9 days. The humidity sits at a moderate 67%. In stark comparison, January brings significantly colder conditions, with temperatures plummeting to a minimum of -17°C (2°F) and an average of just 2°C (36°F), while the maximum reaches a mild 21°C (69°F). This winter month receives 99 mm (3.9 in) of precipitation over 10 days, accompanied by higher humidity at 88%. For more details about January weather, you can visit Lexington weather in January.
September and February present contrasting weather patterns. In September, the temperature ranges from a mild 8°C (46°F) at night to a warm average of 22°C (71°F), peaking at a scorching 36°C (97°F) during the day. However, the month witnesses about 128 mm (5.1 in) of rainfall over 9 days, with a relative humidity of 67%. In stark contrast, February experiences significantly colder temperatures, with a minimum of -16°C (3°F) and an average of 5°C (41°F), while the maximum can reach 26°C (80°F). The month is wetter, receiving 140 mm (5.5 in) of precipitation over 14 days, accompanied by higher humidity levels at 88%. For more insights on winter weather patterns, check out Lexington weather in February.
In September, weather in Lexington tends to be warmer, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 36°C (97°F), creating a more summer-like feel. The month sees an average precipitation of 128 mm (5.1 in) over about 9 days, with a humidity level of 67%. In contrast, March experiences much cooler temperatures, with a range from -12°C (11°F) to a maximum of 27°C (80°F). With slightly higher precipitation at 133 mm (5.2 in) over 13 days and increased humidity at 87%, March feels damp and chilly. For more details on the specifics of March weather, you can visit Lexington weather in March.
When comparing the weather in September and April, several notable differences emerge. September boasts a wider temperature range, with minimums of 8°C (46°F), average highs reaching 22°C (71°F), and maximums soaring up to 36°C (97°F). In contrast, April generally starts cooler, with minimums dipping to -3°C (26°F) and averages around 13°C (56°F). While September's humidity is relatively moderate at 67%, April experiences higher humidity levels at 84%, likely contributing to its precipitation of 141 mm (5.6 in) over 12 days, compared to September's 128 mm (5.1 in) over 9 days. For a closer look at the specific weather patterns in April, you can visit Lexington weather in April.
In comparing the weather of September and May, September typically showcases a wider temperature range, with minimums around 8°C (46°F) and maximums reaching up to 36°C (97°F), averaging 22°C (71°F). In contrast, May features cooler conditions, beginning at a minimum of 0°C (32°F) and peaking at 32°C (90°F), with an average of 19°C (67°F). While September receives about 128 mm (5.1 in) of precipitation across roughly 9 days, May has slightly less rainfall at 119 mm (4.7 in) over 14 days. Additionally, humidity levels are higher in May at 84%, compared to 67% in September. For more detailed information, you can refer to Lexington weather in May.
In September, the weather features a wider temperature range, with minimums dipping to 8°C (46°F) and maximums reaching up to 36°C (97°F), averaging around 22°C (71°F). The month sees about 128 mm (5.1 in) of precipitation over 9 days, alongside a humidity level of 67%. In contrast, June experiences slightly warmer temperatures, with minimums at 9°C (49°F), average highs of 23°C (74°F), and maximums reaching 34°C (94°F). It also tends to be wetter, with 170 mm (6.7 in) of rain over 13 days and higher humidity at 83%. For more specifics on June weather, you can check out Lexington weather in June.
In comparing the weather of September and July, notable differences emerge. September generally features a broader temperature range, with minimums dipping to 8°C (46°F) and average highs reaching 36°C (97°F), while July remains warmer overall, with minimums around 15°C (59°F) and an average of 25°C (78°F). In terms of precipitation, September experiences 128 mm (5.1 in) over 9 days, slightly higher than July’s 96 mm (3.8 in) over 11 days. Additionally, humidity levels are higher in July at 79%, compared to September's 67%. For more specifics about July weather, visit Lexington weather in July.
In comparing the weather of September to that of August, September experiences a cooler average minimum temperature of 8°C (46°F) compared to August's 13°C (56°F). However, the maximum temperatures remain similar, both peaking around 36°C (97°F) in September and 36°C (98°F) in August. September brings a significant amount of precipitation, totaling 128 mm (5.1 in) over 9 days, while August sees less rainfall at 92 mm (3.6 in) over 13 days. Humidity levels are slightly higher in September at 67%, compared to August's 66%. For a more detailed overview of August’s weather patterns, you can visit Lexington weather in August.
September and October showcase a notable transition in weather patterns. September tends to be warmer, with average temperatures around 22°C (71°F) and maximums soaring up to 36°C (97°F). However, it also brings a considerable amount of precipitation, totaling 128 mm (5.1 in) over 9 days, along with a moderate humidity level of 67%. In contrast, October experiences a significant drop in average temperature to 16°C (60°F), with minimums reaching 0°C (32°F) and maximums still maintaining warmth at 35°C (95°F). Although October sees slightly less rainfall at 110 mm (4.3 in) over 11 days, the humidity increases to 76%, creating a more damp atmosphere. For detailed insights, you can check Lexington weather in October.
In September, the weather is generally warm, with average temperatures around 22°C (71°F) and a maximum of 36°C (97°F), although temperatures can drop to a cooler 8°C (46°F) at night. The month experiences a fair amount of rainfall, totaling 128 mm (5.1 in) over 9 days, and humidity levels are moderate at 67%. In contrast, November brings much cooler temperatures, with averages dropping to 7°C (45°F) and nighttime lows reaching -10°C (14°F). Although precipitation decreases to 87 mm (3.4 in) over the same number of rainy days, the humidity increases significantly to 89%, contributing to a much chillier feel overall. For a detailed look at the specific weather conditions, you can check Lexington weather in November.
In September, temperatures range from a mild 8°C (46°F) at night to a warm peak of 36°C (97°F) during the day, with an average temperature of 22°C (71°F). The month experiences around 128 mm (5.1 in) of precipitation over 9 days, with humidity levels at 67%. In contrast, December presents a much colder climate, featuring minimum temperatures dropping to -12°C (11°F) and an average of only 5°C (41°F), with a maximum of 21°C (70°F). Despite similar precipitation levels of 131 mm (5.1 in) over 10 days, December's humidity rises significantly to 88%, contributing to a much chillier feel. For more detailed insights, you can check Lexington weather in December.
As September arrives in Lexington, the weather transitions into a more temperate phase compared to the sweltering summer months. Daytime temperatures become milder, creating a delightful average that invites outdoor activities, while the cool evenings provide a refreshing break from the heat. This month also sees an increase in precipitation, with occasional rainfalls that contribute to the rich, vibrant greenery of the area. With humidity levels hovering around 67%, the air feels pleasantly crisp, making September a unique blend of warmth and freshness. For a more detailed look at how Lexington's weather varies throughout the year, visit Lexington Climate.