Last updated: March 17, 2025
September in Rhyl, United Kingdom offers a dynamic blend of weather patterns that encapsulate the transition from summer to autumn. With maximum temperatures reaching a warm 27°C (81°F) and an average of 14°C (57°F), visitors can still enjoy mild days. However, the month is also marked by cooler nights, dipping to a chilly 3°C (37°F). Rainfall is a notable feature, with 93 mm (3.7 in) spread across 14 days, contributing to an overall humidity level of 85%. This combination of warmth, occasional showers, and high humidity creates a vibrant coastal atmosphere, perfect for exploring Rhyl's scenic beauty while being prepared for the unpredictability of early autumn weather.
As summer gently fades into autumn, September in Rhyl presents a delightful blend of lingering warmth and the crispness of approaching fall. With temperatures ranging from a mild 3°C (37°F) at night to a comfortable 27°C (81°F) during the day, the month strikes a balance that invites both outdoor adventures and cozy evenings. The average temperature sits at a pleasant 14°C (57°F), making it an ideal time for beach strolls or coastal exploration. Unlike the chill of midwinter months or the sweltering heat of peak summer, September offers a refreshing transition, capturing the essence of both seasons and encouraging visitors to savor the natural beauty of this charming coastal town.
In September, Rhyl experiences a notable uptick in precipitation, with 93 mm (3.7 in) of rain falling over approximately 14 days. This marks a slight increase compared to the previous month, August, which saw 91 mm of rainfall. The transition into autumn typically brings more unsettled weather, as reflected in the increase of total rainfall and the number of rainy days. Interestingly, September's precipitation is a precursor to October’s even wetter average of 97 mm. This pattern indicates that as summer fades away, residents can expect increasingly frequent showers, setting the stage for the wetter months ahead in this charming seaside town.
In September, Rhyl, United Kingdom experiences a noticeable shift as humidity levels rise to 85%, reflecting the transition from summer to autumn. This increase marks a departure from the lower humidity characteristic of the peak summer months, such as July and August, where averages dip to 78% and 79% respectively. The gradual uptick in humidity is part of a broader trend observed throughout the year, with levels traditionally peaking in the colder months, reaching a high of 91% in November. As the year progresses, the persistent characteristic of high humidity, especially in the late autumn and winter months, underscores Rhyl’s maritime climate, offering a continuous reminder of the region’s coastal influences.
As September rolls into Rhyl, the UV Index indicates a moderate level of sun exposure at 5, necessitating caution during outdoor activities with a burn time of 30 minutes. This marks a gentle transition from the high summer figures, where July and June saw peaks of 8 under very high exposure categories. Compared to the previous month, September offers a slight reprieve, allowing sun-seekers to relish the milder rays without the extreme vigilance required in mid-summer. As autumn approaches, the gradual decline in UV levels reflects the shifting seasons, offering a balanced opportunity for sun lovers while reminding them to remain attentive to skin protection. For more insights into the UV Index throughout the year, visit Rhyl UV Index.
UV Risk Categories
September in Rhyl, United Kingdom, continues the trend of abundant sunshine established over the summer months, boasting 297 hours of glorious daylight. This marks a slight decline from the peak of 405 hours enjoyed in July but still provides ample opportunities for outdoor activities and exploration. As the season shifts towards autumn, the sunshine gradually wanes, transitioning from the warmth of May and June’s nearly 400 hours to the cooler, darker days of October. Despite this decrease, September remains a vibrant month, inviting locals and visitors alike to bask in the tail end of summer bliss before the cooler months set in.
In Rhyl, United Kingdom, the likelihood of sunny weather in September displays a notable decline with only 21% chance of sunshine, mirroring the lower probabilities seen in the preceding months of July and August. This trend emphasizes a gradual shift towards the cooler months, as the summer sun begins to fade. September’s position in the annual cycle highlights a transition from the sunny optimism of late spring and early summer, where chances peak in April at 47%, to the more unpredictable weather patterns of autumn. As the year progresses into October, the likelihood of sun further drops to 19%, signaling that those wishing for bright days in September might need to brace for the cozy embrace of sweater weather instead.
As summer wanes and autumn approaches, September in Rhyl, United Kingdom, offers a balanced transition with approximately 12 hours of daylight. Following the long, sun-drenched days of July and August, which boast 16 hours of sunlight, September marks a gradual descent into the shorter days that characterize the colder months. This month provides a delightful mix of daylight, allowing for ample exploration and outdoor enjoyment before the clocks turn back. The trend of diminishing light continues as October ushers in only 10 hours of daylight, yet September still holds on to a sense of brightness, making it a lovely time to appreciate the changing seasons.
As September rolls in, Rhyl experiences a gentle shift in its weather patterns, marked by an average wind speed of 2.9 m/s (7 mph). This modest breeze is somewhat of a continuation from the calmer summer months, where July recorded its lowest winds at 2.5 m/s, followed closely by August. Unlike the more turbulent winter months which feature speeds upwards of 4 m/s, September feels mild and inviting, hinting at the transition into autumn. As the days grow shorter and the weather cooler, this slow-paced wind offers a refreshing change, gently rustling the leaves and marking the end of a vibrant summer season.
The weather in Rhyl 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 Rhyl and find detailed weather information for every month.
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). The month sees significant rainfall, totaling 93 mm (3.7 in) over about 14 days, and the humidity is relatively high at 85%. In contrast, January experiences cooler weather, with temperatures ranging from -3°C (27°F) to a maximum of 14°C (58°F), averaging around 5°C (42°F). Precipitation decreases to 66 mm (2.6 in) across 12 days, while humidity rises slightly to 89%. For a more detailed look at January weather, visit Rhyl weather in January.
September and February present quite different weather patterns. In September, temperatures range from a mild 3°C (37°F) at night to a warm 27°C (81°F) during the day, with an average of 14°C (57°F). The month sees around 93 mm (3.7 in) of precipitation over 14 days and high humidity at 85%. In contrast, February is considerably colder, with temperatures dipping as low as -4°C (25°F) and peaking at 18°C (64°F), averaging 6°C (43°F). It has slightly less precipitation at 83 mm (3.3 in) across the same number of wet days, but humidity rises to 88%. For those looking to understand more about the February climate, detailed information can be found in this link: Rhyl weather in February.
The weather in September presents a more moderate climate compared to March, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 27°C (81°F) and an average of 14°C (57°F). In contrast, March experiences cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 19°C (67°F), averaging around 7°C (45°F). While both months see a similar amount of precipitation, September has 93 mm (3.7 in) over 14 days, whereas March records 88 mm (3.5 in) over 15 days, contributing to its humid conditions with 86% humidity in March compared to 85% in September. For more detailed insights into March weather, you can explore Rhyl weather in March.
September weather tends to be milder, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 27°C (81°F) and an average temperature of 14°C (57°F). In contrast, April experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 22°C (72°F), averaging at 9°C (48°F). Precipitation levels are higher in September, with 93 mm (3.7 in) falling on about 14 days, compared to April's 54 mm (2.1 in) over 10 days. Despite their differences, both months maintain high humidity levels, with September at 85% and April at 84%. For more specific details about April weather, you can check Rhyl weather in April.
September and May present distinct weather patterns, with September typically being warmer. In September, temperatures range from a chilly minimum of 3°C (37°F) to an average of 14°C (57°F) and can peak at 27°C (81°F). This month also sees higher precipitation, averaging 93 mm (3.7 in) over 14 days, with humidity reaching 85%. In contrast, May features lower temperatures, with a minimum of 0°C (33°F), an average of 12°C (53°F), and a maximum similar to September at 27°C (80°F). Precipitation is less in May, averaging 67 mm (2.6 in) over 13 days, and humidity is slightly lower at 79%. For more details, visit Rhyl weather in May.
In comparing the weather of September and June, we find some intriguing similarities and differences. September experiences a slight cooling trend, with minimum temperatures starting at 3°C (37°F) compared to June's milder 6°C (44°F), while average temperatures remain relatively close at 14°C (57°F) in September and 15°C (59°F) in June. Both months see similar maximum temperatures, with September peaking at 27°C (81°F) and June at 28°C (83°F). However, September tends to be wetter, with precipitation of 93 mm (3.7 in) over 14 days versus June's 98 mm (3.9 in) over just 13 days. Humidity is also higher in September at 85%, compared to June's 81%. For more detailed insights on the weather patterns in June, you can check Rhyl weather in June.
In comparing the weather between September and July, September is generally cooler, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 27°C (81°F), while July sees warmer temperatures, ranging from 7°C (45°F) to 29°C (85°F). Both months experience similar levels of precipitation, with September receiving 93 mm (3.7 in) over 14 days, and July recording 92 mm (3.6 in) over 15 days. Humidity is higher in September at 85%, compared to the more comfortable 78% in July. For more detailed information, you can check Rhyl weather in July.
In comparing the weather of September and August, September tends to be cooler with a minimum temperature of 3°C (37°F) and an average of 14°C (57°F), while August enjoys milder temperatures, featuring a minimum of 7°C (45°F) and an average of 16°C (61°F). The maximum temperature in September reaches 27°C (81°F), slightly lower than August’s peak of 28°C (83°F). Both months see similar precipitation levels, with September recording 93 mm (3.7 in) across 14 days and August slightly less at 91 mm (3.6 in) over 17 days. Additionally, September has a higher humidity at 85% compared to August's 79%. For a more detailed look, you can check out Rhyl weather in August.
In September, the weather is generally warmer, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 27°C (81°F), and an average of 14°C (57°F). The month experiences a considerable amount of rainfall, totaling 93 mm (3.7 in) over 14 days, with humidity levels around 85%. In contrast, October brings cooler temperatures, with a minimum of -1°C (30°F), an average of 11°C (52°F), and a maximum of 21°C (70°F). The precipitation slightly increases to 97 mm (3.8 in) over 16 days, along with higher humidity of 90%. For more detailed insights regarding October's weather, visit Rhyl weather in October.
September typically experiences milder temperatures compared to November, with daily highs reaching up to 27°C (81°F) and averages around 14°C (57°F). In contrast, November brings cooler conditions, featuring a maximum temperature of 16°C (61°F) and an average of just 8°C (47°F). Precipitation patterns also differ slightly, with September receiving 93 mm (3.7 in) across 14 days, while November sees a slightly lower total of 82 mm (3.2 in) but over a greater number of days — 17 in total. Additionally, humidity levels are higher in November at 91%, compared to 85% in September. For more detailed information, check out Rhyl weather in November.
In September, temperatures range from a cool 3°C (37°F) at night to a warm 27°C (81°F) during the day, with an average temperature of 14°C (57°F). This month sees about 93 mm (3.7 in) of precipitation spread across 14 rainy days, accompanied by a humidity level of 85%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -4°C (26°F) and a maximum of 13°C (56°F), averaging at 6°C (44°F). Precipitation increases slightly to 106 mm (4.2 in) over 17 days, and humidity rises to 89%. For a closer look at the specifics, check out Rhyl weather in December.
As September ushers in a transition from summer to autumn, the weather in Rhyl showcases a unique blend of mild warmth and increasing humidity. This month is characterized by average temperatures that offer a delightful escape from the summer heat, with cozy days that occasionally peak into the high 20s°C. However, the charm of September is often accompanied by a notable increase in precipitation, with more frequent rainy days than the sun-soaked summer months. The humidity, hovering around 85%, adds a touch of moisture to the air, making the coastal breeze feel refreshing yet damp. For those interested in a deeper understanding of the local climate patterns, explore Rhyl Climate to see how this month's unique weather aligns with the rest of the year.