Last updated: March 17, 2025
September in Llandudno, United Kingdom, offers a dynamic blend of weather that showcases both warm and cool elements. With maximum temperatures reaching 27°C (81°F) and an average of 14°C (57°F), the month provides pleasant days, but be prepared for cooler nights with temperatures dipping to a minimum of 3°C (37°F). Rainfall is significant, totaling 96 mm (3.8 in) across about 15 days, contributing to a humidity level of 85% that keeps the atmosphere lush and vibrant. Whether you're exploring the coastal scenery or enjoying local attractions, September's capricious climate invites both adventure and relaxation.
As September rolls into Llandudno, the temperatures begin to transition from the warmth of summer to the crispness of autumn. With a minimum of 3°C (37°F), the days are noticeably cooler compared to the previous months, yet still offer a comfortable average of 14°C (57°F). The maximum temperature can reach a pleasant 27°C (81°F), allowing for those last few outdoor adventures under the sun. This month marks a turning point, as the warmth lingers just enough to savor the beauty of early fall, while the evenings hint at the chill of winter ahead. As such, September beautifully balances the remnants of summer with the nascent embrace of autumn, inviting both locals and visitors to enjoy the flavors of Llandudno.
In September, Llandudno experiences a notable shift in its weather pattern, recording 96 mm (3.8 in) of precipitation over 15 days. This aligns with the wetter months of August and October, marking September as a transitional period as summer gives way to autumn. While the total rainfall matches that of August, the number of rainy days suggests a slightly drier feel, with precipitation spread across fewer days. This consistency in rainfall hints at a steady climate, where the region can expect variable yet significant moisture as it heads into the fall season. As Llandudno braces for October's expected increase to 107 mm, the balance of sunny intervals and rain remains crucial for the picturesque coastal landscape.
As September ushers in the transition from summer to autumn in Llandudno, the humidity level stands at a notable 85%. This slight increase from the drier months of July and August, which saw humidity around 78% and 79% respectively, indicates the approach of the wetter season. The trend is clear: as the year progresses, humidity levels tend to rise again, with October peeking at a higher 90%. September serves as a bridge, reminding residents and visitors alike that while summer may be fading, the lush, moist air of fall is just around the corner.
As September rolls into Llandudno, the UV Index takes a noticeable dip to 5, marking a return to the moderate exposure category that persists through much of the autumn months. This shift follows the peak summer season, where values soared to levels of 7 and 8 in July and June, indicating the need for increased sun protection. With a burn time of 30 minutes in September, it's still wise to be cautious, especially during peak sun hours. This decrease in UV intensity reflects the transition from the vibrant summer to the cooler autumnal days, making it an ideal time to enjoy the outdoors while still being mindful of sun safety. For more detailed insights, check out the Llandudno UV Index for guidance on staying safe under the sun.
UV Risk Categories
September in Llandudno, United Kingdom, offers a delightful blend of lingering summer warmth and the crispness of autumn, boasting approximately 297 hours of sunshine. This month serves as a gentle transition, showcasing a notable dip from the summer peak of 405 hours in July, yet it remains far sunnier than the dreariness of the upcoming winter months, with only 114 hours in November. As the days grow shorter, the sun still graces Llandudno with its golden rays, making September an ideal time for outdoor adventures against the backdrop of stunning coastal views. Whether it's a leisurely stroll along the promenade or a scenic hike in the surrounding hills, the month captures the essence of late summer, enticing visitors with its inviting warmth and beautiful landscapes.
In September, the likelihood of sunny weather in Llandudno, United Kingdom, stands at a modest 20%, aligning it with the generally overcast months of January, October, and November, which also hover around similar percentages. This trend reflects a gradual decline in sunny days as summer transitions into autumn. Notably, while April boasted a significantly higher 46% chance, the drop in sunshine during September is characteristic of the region’s shifting weather patterns. As local residents and visitors prepare for the fall, it's clear that September retains a hint of summer's warmth, albeit with a greater expectation of cloudy skies.
As summer gracefully transitions into autumn, September in Llandudno, United Kingdom, sees a noteworthy shift in daylight duration. With 12 hours of sunlight, this month reflects the gradual decline from the peak of summer, where daylight reached a vibrant 16 hours in June and July. Although September loses some of that summer brightness, it still offers more light than the gloomy winter months ahead, with October bringing in just 10 hours and November dwindling to 8 hours. This pattern underscores a clear seasonal rhythm, where the days begin to shorten, yet the lingering warmth of late summer still provides a generous amount of daylight for outdoor enjoyment.
As September rolls in, Llandudno experiences a gentle breeze with an average wind speed of 2.9 m/s (7 mph). This marks a slight decline from the summer months, reflecting the seasonal shift towards more tranquil conditions. Compared to the more blustery spring months, where average speeds hovered between 4.0 m/s and 5.0 m/s, September offers a welcome respite, inviting locals and visitors alike to enjoy the stunning coastal views without the interference of strong winds. The gradual decrease from August's 3.3 m/s further emphasizes a transition towards the brisker conditions typical of autumn, foreshadowing the gustier months of October and November. This evolving wind pattern enhances Llandudno's charm, allowing for quieter explorations of its picturesque landscapes.
The weather in Llandudno 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 Llandudno and find detailed weather information for every month.
In September, the weather is generally milder, with temperatures ranging from a low of 3°C (37°F) to a high of 27°C (81°F) and an average of 14°C (57°F). The month sees substantial precipitation, totaling 96 mm (3.8 in) over about 15 days, with humidity levels sitting at 85%. In contrast, January is considerably cooler, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 14°C (58°F), averaging around 5°C (42°F). Although January experiences less precipitation, with a total of 71 mm (2.8 in) across 13 days, the humidity is slightly higher at 89%. For more detailed information, you can check Llandudno weather in January.
When comparing the weather in September and February, a noticeable contrast in temperatures emerges. September boasts a minimum temperature of 3°C (37°F) and can reach an average high of 27°C (81°F), making it a much warmer month overall. In contrast, February experiences cooler temperatures, with lows dipping to -5°C (24°F) and average highs around 18°C (65°F). Both months see similar levels of precipitation, with September receiving 96 mm (3.8 in) and February slightly less at 92 mm (3.6 in), each spanning about 15 days of rain. The humidity is relatively high in both months, slightly more in February at 88% compared to 85% in September. For more detailed insights into February weather, you can check Llandudno weather in February.
When comparing the weather of September and March, there are noticeable differences in temperature and overall conditions. September typically enjoys milder temperatures, with a minimum of 3°C (37°F) and an average of 14°C (57°F), peaking at 27°C (81°F). In contrast, March experiences cooler temperatures, starting at a minimum of -6°C (22°F), averaging 7°C (44°F), and reaching a maximum of 19°C (66°F). Both months receive similar amounts of precipitation, around 96 mm (3.8 in), although March has slightly more rainy days, averaging 16 days compared to September's 15 days. Notably, humidity levels are quite high in both months, with September at 85% and March at 86%. For a detailed look at March weather, you can visit Llandudno weather in March.
In comparing September and April weather, September generally offers warmer temperatures, with averages ranging from 3°C (37°F) at night to a pleasant 27°C (81°F) during the day. In contrast, April sees cooler conditions, with temperatures stretching from a minimum of -1°C (30°F) to a maximum of 22°C (72°F). While September experiences more rainfall, totaling 96 mm (3.8 in) over about 15 days, April is relatively drier with 56 mm (2.2 in) spread across 11 days. Both months boast high humidity, around 85% in September and slightly lower at 84% in April. For more detailed insights into April weather, you can visit Llandudno weather in April.
In comparing the weather of September and May, it is evident that both months experience a similar maximum temperature of 27°C (81°F), creating a warm atmosphere. However, September typically enjoys a higher average temperature of 14°C (57°F) compared to May's average of 12°C (53°F). Precipitation levels also differ, with September receiving 96 mm (3.8 in) over 15 days, making it wetter than May, which has 71 mm (2.8 in) of rain over 12 days. Additionally, humidity is slightly higher in September at 85%, while May holds a more moderate 79%. For a closer look at the specifics of weather during May, you can explore Llandudno weather in May.
The weather in September exhibits a wider temperature range compared to June, with minimum temperatures dropping to 3°C (37°F), while June starts at a milder 6°C (42°F). Both months experience similar averages, with September being slightly warmer at 14°C (57°F) compared to June’s average of 15°C (59°F). Maximum temperatures in both months are relatively close, reaching up to 27°C (81°F) in September and 28°C (84°F) in June. Precipitation levels are comparable as well, with September receiving 96 mm (3.8 in) over 15 days and June slightly higher at 99 mm (3.9 in) over just 13 days. Notably, humidity levels are higher in September at 85%, compared to June's 81%. For a more detailed look at June weather specifically, you can visit Llandudno weather in June.
In comparing September and July weather, September offers cooler temperatures, with a minimum of 3°C (37°F) and an average of 14°C (57°F), while July is warmer, featuring a minimum of 7°C (44°F) and an average of 16°C (61°F). Both months see similar levels of precipitation, with September recording 96 mm (3.8 in) over 15 days and July slightly less at 92 mm (3.6 in) across 16 days. Humidity levels are also higher in September at 85%, compared to July's 78%. For more details on July's weather in Llandudno, visit Llandudno weather in July.
In comparing the weather of September and August, September experiences cooler temperatures overall, with a minimum of 3°C (37°F) compared to August's 7°C (45°F). Both months share the same maximum temperature of 27°C (81°F), but September's average is slightly lower at 14°C (57°F) compared to August's 16°C (60°F). Precipitation levels remain consistent at 96 mm (3.8 in) for both months; however, September has fewer rainy days at 15, compared to 18 in August. Humidity is notably higher in September at 85%, while August maintains a slightly lower level at 79%. For more specifics on August weather, you can refer to Llandudno weather in August.
September typically offers a warmer climate with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 27°C (81°F). In contrast, October sees a noticeable drop in temperature, with averages dipping to a minimum of -2°C (28°F) and a maximum of 21°C (70°F). Additionally, both months experience significant rainfall, but October slightly edges out September with 107 mm (4.2 in) of precipitation over 17 days compared to September's 96 mm (3.8 in) over 15 days. The humidity also rises in October, reaching 90% compared to September’s 85%. For more details on the October weather, you can check Llandudno weather in October.
In September, temperatures are generally milder, with a minimum of 3°C (37°F) and an average of 14°C (57°F), peaking at 27°C (81°F). The month experiences around 96 mm (3.8 in) of precipitation over about 15 days, accompanied by a relatively high humidity of 85%. In contrast, November sees a notable drop in temperature, with a minimum of -2°C (29°F), an average of 8°C (47°F), and a maximum of 16°C (60°F). Although precipitation levels are slightly lower at 91 mm (3.6 in), November has more rainy days, totaling 18, and an increase in humidity to 91%. For more detailed information, you can check Llandudno weather in November.
In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 27°C (81°F), with an average of 14°C (57°F), making it a generally mild and pleasant month. However, it also experiences significant rainfall, accumulating 96 mm (3.8 in) over about 15 days, while the humidity sits at a comfortable 85%. In contrast, December ushers in much colder weather, with temperatures dipping to a minimum of -3°C (26°F) and averaging around 6°C (44°F), peaking at only 13°C (56°F). This month is wetter, receiving 115 mm (4.5 in) of precipitation over 18 days, and the humidity rises to 89%. For more detailed information, you can visit Llandudno weather in December.
As September unfolds in Llandudno, the weather starts to transition from the warmth of summer to the cooler embrace of autumn. Maximum temperatures can reach a pleasant 27°C (81°F), providing comfortable days for outdoor exploration, while the average temperature settles around a mild 14°C (57°F). However, the month also brings a noticeable increase in precipitation, with rainy days gracing half of the month, resulting in a total of 96 mm (3.8 in) of rainfall. This heightened humidity of 85% can make the air feel a bit more muggy compared to the drier summer months. For more detailed insights into the yearly shifts and nuances of weather in Llandudno, check out Llandudno Climate.