Last updated: March 17, 2025
September in Kew, United Kingdom, offers a delightful transition into autumn, showcasing a maximum temperature of 28°C (83°F), while the average hovers around a comfortable 15°C (59°F). As the month unfolds, temperatures may dip to a minimum of 4°C (39°F), reminding us that cooler days are on the horizon. However, expect some rain with a total precipitation of 45 mm (1.8 in) spread over 10 days, contributing to the lush beauty of the area. With humidity levels at a notable 82%, September in Kew is a blend of warmth and refreshing breezes, perfect for enjoying the charm of the season.
September in Kew, United Kingdom, marks a subtle transition as summer gives way to autumn. With temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), the month presents a delightful mix of warm and cool days. The average temperature sits comfortably at 15°C (59°F), encouraging residents and visitors alike to enjoy the outdoors before the chill of October settles in. Unlike the sweltering heights of July and August, September offers a more moderate climate, allowing for pleasant walks and the stunning sight of leaves beginning to change. Overall, this month encapsulates the essence of an English autumn, where warmth lingers just before the cool air takes hold.
In September, Kew, United Kingdom, experiences a moderate shift in precipitation patterns as the summer months transition into autumn. This month sees an average rainfall of 45 mm (1.8 in), which is a noticeable drop from August's 70 mm (2.7 in), indicating a trend towards drier conditions as the year progresses. Rain falls on about 10 days, maintaining a balanced frequency that keeps the gardens lush without overwhelming the soil. This reduction in precipitation serves as a gentle precursor to October's expected uptick to 84 mm (3.3 in), reinforcing the seasonal ebb and flow of rainfall that characterizes Kew's climate.
In September, Kew, United Kingdom, experiences a humidity level of 82%, marking a modest rise from the drier months of July and August. This increase indicates a transitional period as the region moves from the warmth of summer into the cooler embrace of autumn. Humidity remains relatively stable throughout the late summer, with levels consistently hovering between 71% and 82%. Notably, as September unfolds, the humidity starts to climb again, paving the way for the wetter, chillier months ahead. This natural ebb and flow highlights the nuanced climate patterns of Kew, where the lingering warmth of late summer melds seamlessly into the crispness of fall.
As September rolls in Kew, United Kingdom, the UV Index settles at 6, indicating a high exposure category with a burn time of 25 minutes. This marks a slight decrease from the peak summer months of July and August, where the UV remained at 8. However, it continues to encourage caution, particularly for those spending extended time outdoors. Overall, the trend shows a gradual transition from the intense summer sun towards more moderate conditions in the fall, with a notable drop from the high indices earlier in the year, such as the 7 in May and 8 during the peak summer months. As the seasons shift, staying informed and protected remains essential. For the latest on UV levels, be sure to check out the Kew UV Index.
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In Kew, United Kingdom, September brings a delightful transition from the sun-drenched days of summer, offering 300 hours of sunshine that gently begins to taper off as the year heads into autumn. This month stands out as a bridge, reflecting a notable decrease from the sunny heights of July and August, which recorded 404 and 368 hours respectively. Despite this decline, September remains one of the more luminous months in the latter part of the year, still providing significantly more sunlight than the gloomier winter months that follow. The gradual shift in sunlight hours echoes the seasonal change, inviting both locals and visitors to relish the beautiful early autumn days before the colder months set in.
As September unfolds in Kew, the likelihood of sunny weather remains moderate, with a 29% chance of sunshine. This period marks a transitional phase; while summer begins to wane, the sparkling days of early autumn are often accompanied by intermittent clear skies. Compared to the sunnier months of April (49%) and the peak days of July (38%), September enjoys a more subdued brightness. However, it still outshines the dreary winter months, making it a delightful time to explore the vibrant landscapes of Kew, as the leaves begin their colorful transformation. The fluctuations in weather patterns suggest an unpredictably charming September, where sunny spells can surprise you amid the soft, crisp air of early fall.
As summer wanes in Kew, United Kingdom, September ushers in a noticeable shift in daylight, with the hours of light settling at a comfortable 12 hours. This marks a gentle retreat from the 16 hours experienced in the peak of June and July, as the longer days begin to yield to the crispness of autumn. Following the 14-hour stretch of August, September reflects the gradual transition of the seasons, illustrating a trend towards shorter days. After this month, daylight continues to diminish, plunging to 10 hours in October and further down to 8 hours by November. This ebbing of daylight not only prepares Kew for the cozy embrace of fall but also highlights the cyclic nature of the seasons, further enchanting its picturesque landscape.
As September arrives in Kew, the winds begin to soften, marking a gentle transition into autumn. With an average wind speed of 3.3 m/s (7 mph), this month reflects one of the calmer periods of the year, following the more blustery summer months. It is interesting to note that September's winds compare closely to July and August, which also maintained a subdued pace at around 3.3 m/s to 3.8 m/s. This slight dip in wind speed suggests a comforting stillness as nature prepares to shift gears, paving the way for the slightly brisker conditions of October. Overall, the September breeze dances through Kew with a whisper of change, inviting residents and visitors alike to savor the serene beauty of early autumn.
The weather in Kew 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 Kew and find detailed weather information for every month.
September and January exhibit stark contrasts in weather. In September, temperatures range from a mild 4°C (39°F) at night to a warm 28°C (83°F) during the day, with an average of 15°C (59°F). The month sees about 45 mm (1.8 in) of precipitation over approximately 10 days, coupled with a relatively lower humidity of 82%. In contrast, January is considerably colder, with temperatures dipping as low as -5°C (24°F) and averaging 5°C (41°F). The maximum temperature reaches only 14°C (58°F), while precipitation increases slightly to 54 mm (2.1 in) over the same number of rainy days, and humidity rises to 91%. For more information, check Kew weather in January.
In comparing the weather of September and February, a distinct contrast emerges. September typically enjoys a range of temperatures, with nightly lows around 4°C (39°F) and comfortable daytime averages reaching 15°C (59°F), peaking at a warm 28°C (83°F). There's a moderate level of precipitation at 45 mm (1.8 in) over about 10 days, combined with a humidity level of 82%. Conversely, February brings chillier conditions, with minimum temperatures dropping to -5°C (23°F) and an average of 6°C (43°F), leading to a maximum of only 18°C (65°F). This month sees slightly higher precipitation at 53 mm (2.1 in) across 11 days, and the humidity increases to 89%. For a more detailed look at February's weather, check out Kew weather in February.
September and March present contrasting weather patterns as summer transitions to autumn and winter gives way to spring. In September, temperatures range from a minimum of 4°C to a maximum of 28°C, averaging 15°C. The month sees about 45 mm of precipitation over 10 days, with humidity levels around 82%. In comparison, March experiences colder temperatures, with a low of -5°C and a high of 22°C, averaging only 7°C. This month receives slightly more precipitation, totaling 54 mm across 13 days, and humidity is a touch higher at 86%. For more detailed insights into the weather in March, you can visit Kew weather in March.
In comparing the weather of September and April, we can observe notable differences in temperature and humidity. September typically enjoys a warmer climate with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), whereas April experiences cooler conditions, with temperatures ranging from -2°C (29°F) to 26°C (80°F). Additionally, September sees slightly more precipitation, averaging 45 mm (1.8 in) over about 10 days, compared to April's 33 mm (1.3 in) over 8 days. Humidity levels are relatively high in both months, with September at 82% and April at 85%. For more details, you can explore Kew weather in April.
When comparing the weather in September and May, one can observe some notable differences. September generally offers warmer temperatures, with a minimum of 4°C (39°F) and an average of 15°C (59°F), peaking at a maximum of 28°C (83°F). In contrast, May starts off cooler, with a minimum of 1°C (35°F) and an average of 13°C (55°F), reaching a maximum of 25°C (78°F). Both months experience a fair amount of precipitation, though September receives slightly less at 45 mm (1.8 in) over about 10 days, while May has 62 mm (2.5 in) spread across 11 days. Interestingly, humidity levels are fairly similar in both months, with September at 82% and May at 79%. For more detailed information, you can refer to Kew weather in May.
When comparing the weather in September and June, it's clear that both months offer a range of temperatures and conditions. September experiences a wider temperature fluctuation, with minimums dipping to 4°C (39°F) and maximums reaching 28°C (83°F), while June is generally warmer, with minimums of 7°C (45°F) and maximums hitting 31°C (89°F). In terms of precipitation, June receives more rain, totaling 77 mm (3.0 in) over nine days, compared to September’s 45 mm (1.8 in) across ten days. Humidity levels remain relatively high in both months, with September at 82% and June slightly lower at 80%. For more detailed information, you can check Kew weather in June.
When comparing the weather in September to that of July, notable differences emerge. September presents a cooler climate with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), contrasted with July's warmer averages, which soar from a minimum of 9°C (49°F) to a maximum of 36°C (96°F). While September enjoys a more moderate average temperature of 15°C (59°F), July is noticeably warmer at an average of 18°C (65°F). Additionally, September experiences less precipitation overall, with 45 mm (1.8 in) over 10 days, compared to July's 64 mm (2.5 in) over 11 days. Humidity levels are also higher in September at 82%, while July's humidity sits at a lower 71%. For more detailed insights into the July weather, you can refer to Kew weather in July.
In comparing the weather of September and August, one can observe notable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 15°C (59°F), whereas August is warmer, with a minimum of 8°C (47°F) and an average of 18°C (64°F). Additionally, September sees a maximum temperature of 28°C (83°F), compared to August’s higher maximum of 34°C (93°F). Precipitation is higher in August, totaling 70 mm (2.7 in) across 12 days, while September records 45 mm (1.8 in) over 10 days, indicating slightly drier conditions. The humidity is also higher in September at 82% compared to 76% in August, contributing to a more comfortable feel in the latter month. For more specific details, you can check Kew weather in August.
September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). The month experiences 45 mm (1.8 in) of precipitation over about 10 days, accompanied by a humidity level of 82%. In contrast, October sees cooler temperatures, with a minimum of 1°C (34°F), an average of 12°C (54°F), and a maximum of 22°C (73°F). It also becomes wetter, with 84 mm (3.3 in) of rainfall over 12 days and increased humidity at 90%. This transition marks October as a more autumnal month, making it distinct from the warmer and relatively drier September. For more details, you can check Kew weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a mild 4°C (39°F) at night to a warm 28°C (83°F) during the day, with an average temperature of around 15°C (59°F). The month sees approximately 45 mm of precipitation over 10 days, along with a humidity level of 82%. In contrast, November brings cooler conditions, with nighttime lows dipping to -2°C (29°F) and daytime highs reaching up to 16°C (62°F), averaging 8°C (47°F). The month experiences slightly higher precipitation at 52 mm over 11 days, accompanied by increased humidity at 92%. For more detailed weather insights, visit Kew weather in November.
September and December present quite different weather experiences. In September, temperatures range from a mild minimum of 4°C (39°F) to a warm maximum of 28°C (83°F), with an average of 15°C (59°F). The month sees about 45 mm (1.8 in) of precipitation spread over roughly 10 days, accompanied by a relative humidity of 82%. In contrast, December is notably colder, with temperatures dropping to a minimum of -4°C (24°F) and an average of 6°C (44°F), peaking at 14°C (58°F). This month experiences increased precipitation, totaling 84 mm (3.3 in) over approximately 13 days, and a higher humidity level of 92%. For more details, you can check Kew weather in December.
As September unfolds in Kew, the weather offers a delightful transition from the warmth of summer to the crispness of autumn. Daytime temperatures can still reach a pleasant 28°C (83°F), yet the average drops to a more comfortable 15°C (59°F), accompanied by cooler evenings. This month brings a notable increase in humidity at 82%, making it feel more muggier than the preceding months. Rainfall, totaling 45 mm (1.8 in) over about 10 days, introduces a refreshing shift, paving the way for vibrant autumn colors and a rejuvenating atmosphere. For a deeper dive into how September fits into the larger climate picture, visit Kew Climate.