Last updated: March 17, 2025
In September, Holborn, United Kingdom, experiences a temperature spectrum ranging from a pleasant maximum of 28°C (83°F) to a crisp minimum of 4°C (40°F), with an average hovering around 15°C (60°F). This month also brings about 45 mm (1.8 in) of precipitation, spread across 9 rainy days, contributing to the region's characteristic 80% humidity. Such conditions create a diverse and dynamic climate, perfect for enjoying the lively atmosphere of Holborn as it transitions from summer warmth to autumn's embrace.
In September, Holborn, United Kingdom, experiences a delightful transition from summer warmth to early autumn coolness. With temperatures ranging from a comfortable 4°C (40°F) to a pleasant 28°C (83°F), this month offers an average of 15°C (60°F), marking a gradual shift towards cooler days. The lingering summer heat contrasts gently with the crispness of autumn, making it an ideal time for outdoor activities and enjoying the vibrant fall foliage. As September unfolds, residents and visitors alike can relish the mild weather, while also preparing for the approaching chill of October. This blend of warmth and freshness creates a uniquely inviting atmosphere that characterizes early autumn in Holborn.
September in Holborn, United Kingdom, sees a gentle transition in precipitation patterns as summer gives way to autumn. With just 45 mm (1.8 in) of rainfall spread across 9 days, this month marks a decline from the wetter summer months of July and August, which boasted 64 mm and 72 mm respectively. The weather tends to be more stable, with less frequent downpours but still enough rain to keep the lush surroundings vibrant. As the year progresses into October, a notable uptick is expected, with precipitation levels rising to 81 mm (3.2 in), highlighting the arrival of the typically wetter fall season. Overall, September serves as a pleasant bridge, offering a brief respite before the heavier rain returns.
In September, Holborn experiences a notable shift in humidity, settling at 80%. After the relative dryness of the summer months, where humidity dipped to a comfortable 73% in August, this increase signals the onset of autumn. While the humidity remains lower than the peak winter levels—reaching as high as 92% in December and November—it reflects a transition within the year. The steady decline from January's 91% to summer's lows showcases a seasonal pattern, with September marking a return to slightly more humid conditions before the colder months reignite the moist air. This balance creates a unique environment, perfect for enjoying the crisp early autumn days.
As September rolls into Holborn, the UV Index reflects a high level of solar radiation at 6, encouraging residents and visitors alike to take precautions against sunburn. This decrease from the peak summer months—where June and July reached a very high index of 8—signals a gradual shift towards more moderate exposures. With a burn time of just 25 minutes, it remains essential to apply sunscreen and seek shade, especially during midday hours. The UV Index is forecasted to continue its descent into the autumn months, dropping to a moderate level of 4 by October. For more detailed information and daily updates, check the Holborn UV Index.
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In September, Holborn basks in the tail end of summer, enjoying a commendable 300 hours of sunshine. This month shines brightly when viewed against the backdrop of the year's weather, showcasing a significant dip from the peak summer months of July and August, where the sun illuminated the city with 405 and 372 hours, respectively. As autumn takes hold, sunlight levels begin to decline, yet September's warmth is a gentle transition, still allowing for pleasant outdoor activities before cooler days set in. Compared to the earlier months, September's sunshine is a reminder of the lingering summer warmth, but it's also a precursor to October, which sees a further drop to 240 hours. In this blend of seasons, Holborn's weather exemplifies the delicate balance of light and warmth that characterizes the UK's transitional months.
In Holborn, United Kingdom, the likelihood of sunny weather in September holds steady at 29%, mirroring the summer months of July and June but falling short of the more sun-drenched April at 49%. This month marks a transition as the warmth of summer begins to wane, leading to a chance of varied weather conditions. Interestingly, September’s sun chance aligns closely with that of February and October, creating a subtle pattern where the early and late months of the year exhibit similar probabilities. Overall, while September still offers the hope of sunshine, it suggests a shift towards the cooler and cloudier days ahead.
As September unfolds in Holborn, the daylight begins to wane, providing about 12 hours of sunshine compared to the longer days of summer. This gradual transition marks a significant shift from the 16 hours of daylight experienced in June and July. The start of autumn brings a gentle decline in sunlight, with days becoming shorter as we move into October, which sees just 10 hours of daylight. Interestingly, as the year progresses from the bright extremes of May's 15 hours and June’s peak, September serves as a poignant reminder of the seasonal changes, bridging the gap between the vibrant long days of summer and the shorter, cozy days of autumn.
As September settles in Holborn, the winds begin to whisper a gentle lull, averaging a calm 3.2 m/s (7 mph). This marks a noticeable decline from the breezier summer months, where the air carried a lively 3.8 m/s (8 mph) in August. The trend becomes more pronounced as we transition from the warmth of summer to the freshness of autumn, with September’s winds indicating a softening that prepares the city for the cooler days ahead. Interestingly, while January to June typically showcase stronger winds, averaging around 4 m/s, September’s breezy embrace reminds us of nature's rhythm, coaxing us gently towards a shift in seasons. As October approaches, expect a resurgence in wind speeds that heralds the robust autumn gales.
The weather in Holborn 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 Holborn and find detailed weather information for every month.
September features a warmer climate with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 28°C (83°F), averaging around 15°C (60°F). It sees a moderate amount of precipitation at 45 mm (1.8 in) over approximately 9 days, with humidity levels around 80%. In contrast, January brings much colder temperatures, with a minimum of -5°C (24°F) and a maximum of 14°C (58°F), averaging at just 5°C (41°F). The month is slightly wetter, with 54 mm (2.1 in) of precipitation spread over the same number of days, but with higher humidity at 91%. For a detailed look at the cold winter conditions, check out Holborn weather in January.
In comparing the weather of September and February, it becomes evident that September is generally warmer, with average temperatures ranging from a chilly 4°C (40°F) at night to a pleasant 28°C (83°F) during the day. In contrast, February experiences cooler temperatures, with lows plunging to -7°C (21°F) and highs reaching 18°C (65°F). Precipitation is relatively high in both months, with September receiving 45 mm (1.8 in) over 9 days and February slightly wetter at 52 mm (2.0 in) across 11 days. Additionally, February tends to be more humid, with levels reaching 89%, compared to September's 80%. For a more detailed look at February's weather, check out Holborn weather in February.
When comparing the weather in September and March, we notice some stark contrasts. September typically boasts milder temperatures, with averages around 15°C (60°F) and a maximum reaching 28°C (83°F), whereas March has cooler averages of 8°C (46°F) and a maximum of only 22°C (72°F). Additionally, September sees less precipitation, with about 45 mm (1.8 in) over approximately 9 days, compared to March, which experiences slightly higher rainfall of 52 mm (2.1 in) across 13 days. Humidity levels are also higher in March, reaching 86%, compared to 80% in September. For a detailed look at the conditions, you can check Holborn weather in March.
When comparing the weather in September and April, notable differences emerge. September typically features a wider temperature range, with minimums around 4°C (40°F) and maximums reaching up to 28°C (83°F), resulting in an average of 15°C (60°F). In contrast, April starts off cooler, with minimum temperatures dropping to -2°C (29°F) and averaging only 10°C (49°F) despite occasional highs of 26°C (80°F). Precipitation levels are slightly higher in September, averaging 45 mm (1.8 in) over 9 days, compared to April's 32 mm (1.3 in) over 7 days. Humidity is marginally higher in April at 85%, compared to 80% in September. For a detailed look at weather specifics, visit Holborn weather in April.
In comparing the weather of September and May, we notice several key differences. September generally offers warmer temperatures, with averages around 15°C (60°F), peaking at 28°C (83°F), compared to May's average of 13°C (55°F) and maximum of 25°C (78°F). While both months see a fair amount of precipitation, May experiences slightly more with 63 mm (2.5 in) over 10 days compared to September's 45 mm (1.8 in) across 9 days. Humidity levels remain similar, with September at 80% and May slightly higher at 82%. For more detailed insights on May weather, you can visit Holborn weather in May.
In comparing the weather between September and June, it's clear that June tends to be warmer overall. The average temperature in June is 17°C (62°F), with a maximum of 32°C (89°F), while September features a milder average of 15°C (60°F) and peaks at 28°C (83°F). Additionally, June experiences a higher amount of precipitation at 77 mm (3.0 in) across 8 days, compared to September's 45 mm (1.8 in) over 9 days. Both months maintain high humidity levels, with September at 80% and June slightly higher at 81%. For a deeper look at June weather, you can visit Holborn weather in June.
In comparing the weather between September and July, September presents milder temperatures, with a minimum of 4°C (40°F) and a maximum of 28°C (83°F), while July features warmer conditions, navigating from a minimum of 9°C (49°F) to a scorching maximum of 36°C (97°F). The average temperature in September reaches 15°C (60°F), in contrast to July's average of 18°C (65°F). While both months experience notable rainfall, July tends to be wetter, with 64 mm (2.5 in) of precipitation over 11 days compared to September's 45 mm (1.8 in) over 9 days. Humidity levels are relatively similar, with September at 80% and July at 76%. For more detailed insights, you can check Holborn weather in July.
September generally sees cooler temperatures compared to August, with a minimum of 4°C (40°F) and an average of 15°C (60°F), while August has a higher minimum of 8°C (47°F) and an average of 18°C (64°F). The maximum temperature in September reaches 28°C (83°F), but this is significantly lower than August's peak of 34°C (94°F). In terms of precipitation, September is slightly drier with 45 mm (1.8 in) over 9 days, compared to August's 72 mm (2.8 in) spread across 12 days. Humidity levels are notably higher in September at 80%, compared to 73% in August, indicating that the transition to autumn can bring a more damp and humid feeling. For a detailed look at August conditions, you can check Holborn weather in August.
September typically experiences a wider temperature range, with minimums around 4°C (40°F) and maximums peaking at 28°C (83°F), resulting in an average of 15°C (60°F). The month sees a moderate amount of precipitation at 45 mm (1.8 in) over approximately 9 days, with a humidity level of 80%. In contrast, October ushers in cooler temperatures, featuring minimums of 1°C (34°F) and maximums that reach 23°C (73°F), averaging 12°C (54°F). Rainfall increases significantly, totaling 81 mm (3.2 in) and falling on about 12 days, accompanied by a rise in humidity to 89%. For more detailed weather insights specific to this month, you can check Holborn weather in October.
September and November present a stark contrast in weather conditions. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 28°C (83°F), with an average of 15°C (60°F). The month experiences a moderate level of rainfall, totaling 45 mm (1.8 in) over about 9 days, and the humidity is relatively high at 80%. In contrast, November sees lower temperatures, with a minimum of -2°C (28°F) and a maximum of 17°C (62°F), averaging only 8°C (47°F). Precipitation slightly increases to 48 mm (1.9 in) over 10 days, and humidity rises to 92%, creating a distinctly cooler and wetter atmosphere. For more detailed information, you can check out Holborn weather in November.
September and December showcase contrasting weather patterns. In September, temperatures range from a mild 4°C (40°F) at night to a warm 28°C (83°F) during the day, with an average temperature of 15°C (60°F). The month experiences light precipitation of 45 mm (1.8 in) over about 9 days, accompanied by a comfortable humidity level of 80%.
In stark contrast, December brings colder temperatures, with lows dipping to -4°C (25°F) and highs reaching only 14°C (58°F), averaging around 6°C (44°F). This month sees increased precipitation, totaling 84 mm (3.3 in) across 14 days, along with higher humidity levels at 92%. For more details on December weather, you can visit Holborn weather in December.
As September unfolds in Holborn, the weather reflects a delicate transition from the warmth of summer to the cooler embrace of autumn. With temperatures averaging around 15°C (60°F), this month offers a refreshing change compared to the sweltering highs of July and August, when the mercury often rises much higher. While there's still the occasional sunny day reaching up to 28°C (83°F), the presence of 45 mm (1.8 inches) of rainfall over 9 days serves as a reminder that summer is giving way to the crispness of fall. Coupled with a relatively high humidity level of 80%, September can feel quite different, making it a month of brisk walks and cozy layers. For a deeper dive into the weather patterns, visit Holborn Climate.