Last updated: March 17, 2025
In Betws-y-Coed during September, visitors experience a diverse climate with a maximum temperature reaching an inviting 26°C (80°F), while the average temperature settles around a mild 13°C (55°F). However, the month also brings cooler nights, with temperatures dipping to a minimum of 1°C (34°F). Rainfall is prominent, with an average precipitation amount of 110 mm (4.3 in) over 15 days, contributing to the region's lush landscapes. Combined with a notable humidity level of 85%, September in Betws-y-Coed offers a captivating blend of vibrant scenery and dynamic weather, perfect for those eager to explore the beauty of the Welsh outdoors.
As September arrives in Betws-y-Coed, temperatures begin to reflect the transition from summer to autumn. With an average temperature of 13°C (55°F), this month is a blend of mild days and cooler nights, where daytime highs can reach a comfortable 26°C (80°F). The minimum dips to 1°C (34°F), marking a noticeable shift from the warmer days of summer. This gradual cooling trend foreshadows the crispness of fall, inviting visitors to enjoy the scenic beauty and vibrant foliage that characterizes this enchanting part of the United Kingdom.
September in Betws-y-Coed sees an average precipitation of 110 mm (4.3 in), making it one of the wetter months of the year. With 15 days of rainfall, this signals a shift from August's peak of 131 mm (5.1 in) over 20 days, hinting at the transition into autumn. The patterns suggest that as summer closes, the frequency and volume of rain continue to sustain the lush landscapes for which the area is renowned. This month marks a notable increase compared to the drier months of April and May, reinforcing the idea that Betws-y-Coed is well-acquainted with its fair share of moisture, particularly as it leads into the wetter autumn and winter months ahead.
In September, Betws-y-Coed experiences a notable shift in humidity, with levels rising to 85%, a slight increase from the drier months of July and August. This change signals the onset of autumn, as humidity levels begin their gradual climb towards the winter months, culminating in October's peak of 90%. The trend throughout the year shows a steady decline from a high of 89% in January to a low of 78% in July, followed by a slight resurgence in late summer and early fall. As September arrives, residents and visitors can expect a refreshing, yet moist atmosphere that hints at the lush, green landscapes the region is renowned for, setting the stage for the crisp, damp days of autumn ahead.
As summer gives way to autumn, September in Betws-y-Coed sees a moderate UV Index of 5, making outdoor activities enjoyable while still calling for some sun safety precautions. This is a noticeable decline from the peak UV levels experienced in June and July, where the index reached a high of 8. With burn times reducing to 30 minutes in September, it's a reminder to embrace the warm days and scenic hikes before the chill of autumn sets in. Overall, the month presents a balanced opportunity for exploration and relaxation under the sun, blending the last of summer's warmth with the crispness of fall. For more detailed information, check out the Betws-y-Coed UV Index.
UV Risk Categories
In September, Betws-y-Coed basks in a delightful 297 hours of sunshine, marking a gentle transition as summer begins to wane. This figure reflects a significant drop from the sun-drenched heights of July and August, where the sun generously graced the area with over 400 hours of light. However, September still retains a substantial amount of sunshine compared to the winter months ahead, such as November and December, which struggle with less than 120 hours each. As the landscape starts to don its autumn hues, the sunny days of September create a perfect backdrop for exploring this picturesque village, making it a seasonal favorite for outdoor enthusiasts and photographers alike.
In Betws-y-Coed, September tends to mark a transition in weather patterns, showcasing a modest sunny weather likelihood of 18%. This figure slightly dips from the peak of late spring and early summer months, where the chances of sun are more favorable, particularly in April at 43%. As summer wanes, September struggles to maintain the vibrancy of sun-soaked days, aligning more closely with the cooler and cloudier tendencies of autumn. Although the sunshine may be less generous than in peak months, visitors can still enjoy the emerging hues of fall in this scenic locale, making it an enchanting time to explore despite the odds.
As September unfolds in Betws-y-Coed, the days begin to wane, offering around 12 hours of daylight. Following the long, sun-drenched days of summer, where daylight peaked at 16 hours in June and July, this month marks a noticeable transition. The gradual decline continues from August’s 14 hours, signaling the approach of autumn. This shift not only changes the quantity of daylight but also ushers in a transformation of the landscape, as the surrounding mountains and forests take on vibrant hues, enriching the charm of this serene Welsh village. As daylight duration continues to diminish into October's 10 hours, September serves as a beautiful bridge between summer's exuberance and the approaching coziness of fall.
As September unfolds in Betws-y-Coed, the gentle caress of the wind reveals a notable transition in the season. With an average wind speed of 2.8 m/s (6 mph), this month presents a calming reprieve compared to the breezy summer months, which peaked in July at 2.4 m/s (5 mph), marking the year's lowest. However, September holds its own charm, as the wind dances slightly more than in the earlier summer, inviting both adventure and tranquility. The flow of air begins to pick up again in October, reaching an average of 4.5 m/s (10 mph), hinting at the brisk autumn days to come. Thus, September serves as a peaceful bridge, where the winds whisper of change, setting the stage for the vibrant colors of fall.
The weather in Betws-y-Coed 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 Betws-y-Coed and find detailed weather information for every month.
Comparing the weather in September and January reveals some significant differences. September generally offers a milder climate, with average temperatures around 13°C (55°F), peaking at 26°C (80°F). In contrast, January is noticeably colder, with average temperatures dropping to 4°C (40°F) and a maximum of only 13°C (55°F). While September experiences about 110 mm (4.3 in) of precipitation over 15 days, January sees slightly less rain at 89 mm (3.5 in) across 14 days. Both months have high humidity levels—85% in September and 89% in January—contributing to a damp atmosphere. For a closer look at January's weather specifics, visit Betws-y-Coed weather in January.
September and February exhibit contrasting weather patterns, with September typically experiencing milder temperatures and higher maximums compared to the chill of February. In September, the temperature ranges from a minimum of 1°C (34°F) to a pleasant average of 13°C (55°F), peaking at 26°C (80°F). In contrast, February sees colder conditions, with temperatures varying from a minimum of -6°C (22°F) to an average of 5°C (41°F), and a maximum of 17°C (64°F). Precipitation levels are notable in both months, with September receiving 110 mm (4.3 in) over 15 days, while February has slightly more with 128 mm (5.0 in) across 16 days. The humidity remains relatively high in both months, at 85% in September and 88% in February, creating a damp atmosphere. For more insights into February weather, check out Betws-y-Coed weather in February.
In comparing the weather between September and March, September typically offers more moderate temperatures, with average highs reaching 26°C (80°F) compared to March's milder maximum of 18°C (65°F). However, March experiences colder minimum temperatures, dipping to -7°C (19°F) as opposed to September's minimum of 1°C (34°F). Both months see considerable precipitation, but March slightly edges out with 125 mm (4.9 in) over 18 days, while September has 110 mm (4.3 in) across 15 days. Humidity levels are similar, with September at 85% and March slightly higher at 86%. For a closer look at March weather specifics, check out Betws-y-Coed weather in March.
When comparing the weather in September and April, notable differences can be observed. September typically presents a broader temperature range, with a minimum of 1°C (34°F) and a maximum of 26°C (80°F), leading to a comfortable average of 13°C (55°F). In contrast, April tends to be cooler, featuring a minimum temperature of -3°C (27°F) and a maximum of 22°C (71°F), resulting in a lower average of 8°C (46°F). Precipitation levels are higher in September, with 110 mm (4.3 in) over 15 days, compared to April's 65 mm (2.5 in) over 12 days. Humidity remains quite similar, hovering around 85% in September and 84% in April, making both months feel fairly moist. For a detailed look at the specific conditions during April, check out Betws-y-Coed weather in April.
When comparing the weather in September and May, one can observe notable differences. September boasts a broader temperature range, with a minimum of 1°C (34°F) and a maximum of 26°C (80°F), leading to a higher average temperature of 13°C (55°F). In contrast, May experiences slightly cooler temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 25°C (78°F), resulting in an average of 10°C (51°F). Precipitation is more significant in September, with 110 mm (4.3 in) over 15 days, compared to May’s 83 mm (3.3 in) over 14 days. Additionally, September's humidity is higher at 85%, while May has a more comfortable humidity level of 79%. For more detailed insights, you may refer to Betws-y-Coed weather in May.
When comparing the weather in September and June, we observe notable differences in temperature and precipitation. September tends to have a wider temperature range, with minimums dropping to 1°C (34°F) and maximums reaching 26°C (80°F), while June's temperatures are generally milder, with minimums at 5°C (41°F) and a peak of 27°C (81°F). Both months experience similar levels of precipitation, with September receiving 110 mm (4.3 inches) over 15 days and June slightly less at 101 mm (4.0 inches) over 14 days. Additionally, September's humidity is higher at 85%, compared to June's 81%, adding to the distinct feel of the transition into autumn. For a more detailed look at June's climate, visit Betws-y-Coed weather in June.
When comparing the weather in September and July, there are notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums dipping to 1°C (34°F) and maximums reaching 26°C (80°F), while July enjoys milder temperatures, with a minimum of 5°C (42°F) and a maximum of 28°C (82°F). Rainfall is more frequent in September, totaling 110 mm (4.3 in) over 15 days, compared to July's 94 mm (3.7 in) over 14 days. Furthermore, September's humidity levels are higher at 85%, compared to the 78% humidity prevalent in July. For a detailed look at the July weather in Betws-y-Coed, you can check Betws-y-Coed weather in July.
In comparing the weather of August and September, we see a noticeable shift in temperature and precipitation patterns. In September, the minimum temperature drops to 1°C (34°F), while August maintains a milder minimum of 5°C (42°F), with both months reaching a maximum of 26°C (80°F). The average temperature in September is slightly lower at 13°C (55°F) compared to August's 14°C (58°F). Additionally, September experiences more rainy days, totaling 15, with 110 mm (4.3 in) of precipitation, while August sees 20 days of rain and a higher total precipitation of 131 mm (5.1 in). September also boasts a higher humidity level at 85%, compared to August's 79%. For more detailed information on August weather, take a look at Betws-y-Coed weather in August.
In September, temperatures in Betws-y-Coed range from a minimum of 1°C (34°F) to a maximum of 26°C (80°F), with an average of 13°C (55°F). The month sees around 110 mm (4.3 in) of precipitation over 15 days, and humidity levels are relatively high at 85%.
In contrast, October brings cooler temperatures, with a minimum of -4°C (26°F) and an average of 10°C (50°F), peaking at 20°C (69°F). The precipitation increases slightly to 136 mm (5.3 in) over 18 days, further contributing to the humidity, which rises to 90%. For more detailed information, check out Betws-y-Coed weather in October.
September typically features a milder climate with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (80°F), averaging around 13°C (55°F). This month experiences approximately 110 mm (4.3 in) of precipitation over 15 days at a humidity level of 85%. In contrast, November ushers in cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 14°C (58°F), averaging only 7°C (44°F). Despite similar precipitation levels, at 108 mm (4.3 in) over 18 days, November is characterized by higher humidity at 91%. For a more detailed look at the weather conditions, check out Betws-y-Coed weather in November.
The weather in September is notably milder compared to December, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (80°F), and an average of 13°C (55°F). In contrast, December sees chillier conditions, with temperatures dipping down to -6°C (21°F) at night and peaking at 12°C (54°F), leading to an overall average of just 5°C (42°F). September also experiences significant precipitation of 110 mm (4.3 in) over approximately 15 days, while December has even higher precipitation levels of 143 mm (5.6 in) spread across 20 days, coupled with slightly increased humidity at 89% compared to September's 85%. For more specific details on December weather, visit Betws-y-Coed weather in December.
As September rolls into Betws-y-Coed, the weather begins to shift, offering a blend of warm days and crisp evenings. Unlike the balmy summer months, temperatures fluctuate more significantly, with comfortable highs giving way to the occasional chill, particularly at night. This month also marks the onset of increased rainfall, with frequent drizzles adding a layer of humidity that can make the air feel heavier. With 15 days of precipitation, visitors should be prepared for wet conditions, contrasting sharply with the drier summer. This transitional weather creates a unique backdrop for enjoying the stunning landscapes of the area. For more insights into the climatic trends throughout the year, check out Betws-y-Coed Climate.