Last updated: March 17, 2025
In September, Morfa Nefyn, United Kingdom, experiences a captivating blend of weather patterns. With a maximum temperature reaching 24°C (76°F), the month provides a comforting warmth, while the average temperature settles at a mild 15°C (59°F). However, cooler moments can be felt, with minimum temperatures dipping to 9°C (49°F). Rain is a frequent visitor, contributing to a total precipitation of 162 mm (6.4 in) over 18 days, resulting in a humidity level of around 85%. This combination of mild warmth and notable rainfall makes September a dynamic and refreshing month in Morfa Nefyn.
As September unfolds in Morfa Nefyn, the temperatures begin to reflect the gentle transition from summer to autumn. With a minimum of 9°C (49°F) and an average warming up to 15°C (59°F), the weather offers a pleasant reprieve from the heat of the previous months. Daytime highs can reach a comfortable 24°C (76°F), allowing for lingering outdoor activities amid picturesque landscapes. This month marks a notable decline from the summer peaks, yet it retains a hint of warmth, creating a perfect backdrop for beach strolls and coastal adventures. As the days gradually shorten, Morfa Nefyn's September weather invites exploration and relaxation alike, making it an ideal time for visitors to enjoy its scenic beauty.
September in Morfa Nefyn brings a notable shift in precipitation, with an average of 162 mm (6.4 in) of rainfall over 18 days. As summer's warmth begins to fade, the region experiences a considerable amount of rain, closely following the heavy downpours of August, which recorded 166 mm (6.5 in). This transition marks the start of a wetter season, as October typically sees an even sharper increase, averaging 246 mm (9.7 in) over 23 days. The trend highlights a significant uptick in rainfall as the year progresses, with the autumn months delivering some of the highest precipitation totals, creating a lush landscape but also signaling the need for residents to brace for the wetter days ahead.
In September, Morfa Nefyn experiences a notable increase in humidity, rising to 85% after the summer months. This slight uptick follows a trend where humidity levels gradually decrease from the high point of 89% in January to 78% in July, before starting to climb again into the autumn. This seasonal shift suggests a transition, as the long, warm days give way to cooler, wetter weather. As October approaches, the humidity spikes to 90%, highlighting the impending arrival of more moist, autumn conditions typical for this coastal region of the United Kingdom.
In September, Morfa Nefyn experiences a moderate UV Index of 5, which suggests that while sun exposure can still be enjoyable, precautions are advisable to avoid burning. This marks a slight decline from the peak summer months of July and August, where the UV Index soared to 8 during very high exposure periods. As the season transitions into autumn, the typical burn time extends to 30 minutes, allowing for more leisurely outdoor activities while still being mindful of sun safety. Compared to earlier months, such as March and April with values of 4 and 5 respectively, September offers a balanced opportunity for sun seekers. For more detailed information on UV levels throughout the year, visit Morfa Nefyn UV Index.
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September in Morfa Nefyn heralds a transition as the summer days start to wane, yet it embraces a generous 315 hours of sunshine. This remarkable total is part of a broader trend where the month still basks in more sun than the beginning of the year, outshining the dismal grey of November and December. The sunshine hours gradually peaked over the summer months, with July leading the way at 421 hours. As autumn approaches, September offers a delightful blend of early autumn warmth and lingering summer brightness, making it an ideal time for outdoor activities. With a striking contrast to both the chilling months ahead and the darker days of January, this month invites both locals and visitors to savor the last rays of summer's light.
In Morfa Nefyn, the likelihood of sunny weather in September is relatively low, sitting at 24%. This figure marks a slight decrease from the summer months, where July enjoys a better chance of sun at 39%. As the year progresses, the chances of experiencing sunny days continue to diminish, with October dropping to 17%. Interestingly, September stands out as part of a transitional phase; while summer warmth lingers, the onset of autumn begins to overshadow the sun. This subtle decline in sunny days from the brighter late spring and early summer months suggests that September may be more suited for those who appreciate milder weather over unbroken sunshine.
In Morfa Nefyn, September marks a gentle transition from the bright days of summer to the cozy embrace of autumn. With an average of 12 hours of daylight, this month offers a beautiful balance, allowing for ample time to explore the stunning coastal landscapes and engage in outdoor activities. As the days shorten from the maximum 16 hours experienced in June and July, there's a noticeable shift in the ambiance, inviting the rich colors of fall to emerge. This trend of diminishing daylight continues into October, where the hours drop to 10, but September still provides a generous stretch for sun-soaked adventures before the crisp chill of winter begins to settle in.
As September settles over Morfa Nefyn, the wind whispers a gentle lull, averaging 4.6 m/s (10 mph), making it one of the calmer months of the year. This transitional period following the summer sees a noticeable decrease in wind speed compared to the more blustery preceding months, especially July and August, where gusts reached around 4.0 m/s (9 mph) and 5.5 m/s (12 mph), respectively. The easing winds in September signal a shift towards the brisker conditions of autumn, with October and November expected to pick up pace again, averaging 8.2 m/s (18 mph) and 7.2 m/s (16 mph). This trend reflects a natural ebb and flow of maritime breezes that characterize life along the stunning Welsh coastline.
The weather in Morfa Nefyn 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 Morfa Nefyn and find detailed weather information for every month.
September and January showcase contrasting weather patterns. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 24°C (76°F), with an average of 15°C (59°F), making it a relatively warm month. However, it also experiences significant rainfall, with 162 mm (6.4 in) over 18 days and humidity levels around 85%. In stark contrast, January is much cooler, with temperatures averaging just 7°C (45°F) and highs reaching only 13°C (56°F). Although it has less rainfall—137 mm (5.4 in) over 16 days—humidity increases slightly to 89%. For more detailed information, you can visit Morfa Nefyn weather in January.
September and February present distinct contrasts in weather. September typically enjoys milder temperatures, with averages around 15°C (59°F) and maximums peaking at 24°C (76°F), creating a pleasantly warm atmosphere. In contrast, February is much colder, featuring an average temperature of just 7°C (45°F) and highs reaching only 13°C (56°F), making it a chilly month. Both months experience significant precipitation, with September receiving about 162 mm (6.4 in) over 18 days and February slightly wetter at 172 mm (6.8 in) over 19 days. Additionally, humidity levels are noticeably high in both months, with February being slightly higher at 88% compared to September's 85%. For further insights, you can explore Morfa Nefyn weather in February.
September and March exhibit notable differences in weather conditions. September enjoys milder temperatures, with averages between 9°C (49°F) and 24°C (76°F), while March is cooler, averaging from -3°C (26°F) to 14°C (58°F). Although both months receive a similar amount of precipitation—162 mm (6.4 in) in September and 160 mm (6.3 in) in March—September sees slightly less rain over 18 days compared to March's 19 days. Additionally, humidity levels are comparable, with September at 85% and March slightly higher at 86%. For those interested in specifics, you can find more details about conditions during March here: Morfa Nefyn weather in March.
When comparing the weather in September and April, it's evident that September is generally warmer, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 24°C (76°F), compared to April's cooler range of 3°C (38°F) to 16°C (62°F). Additionally, September experiences significantly more precipitation, averaging 162 mm (6.4 in) over 18 days, whereas April sees only 59 mm (2.3 in) across just 10 days. Humidity levels in both months are similar, with September at 85% and April slightly lower at 84%. For more specific details on April weather, you can check this link: Morfa Nefyn weather in April.
In comparing the weather of September and May, significant differences emerge in temperature and precipitation patterns. September boasts a more moderate temperature range, with minimums around 9°C (49°F) and maximums reaching 24°C (76°F), averaging 15°C (59°F). This month also sees higher precipitation at 162 mm (6.4 in) over 18 days, along with increased humidity levels at 85%. Conversely, May experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 19°C (66°F), averaging just 11°C (52°F). The month is drier, with rainfall totaling 83 mm (3.3 in) across 12 days and slightly lower humidity at 79%. For more details on May weather, you can visit Morfa Nefyn weather in May.
When comparing the weather in September and June, both months experience similar temperature ranges, with a minimum of 9°C (49°F) and a maximum reaching up to 24°C (76°F). However, September tends to be slightly warmer on average at 15°C (59°F) compared to June's average of 14°C (57°F). Precipitation levels are higher in September, with 162 mm (6.4 in) of rain over 18 days, compared to June's 109 mm (4.3 in) over 15 days. Additionally, September has a higher humidity level, averaging 85%, while June is at 81%. For a more detailed look at June weather, you can check out Morfa Nefyn weather in June.
When comparing the weather in September and July, September tends to be cooler with a minimum temperature of 9°C (49°F) and an average of 15°C (59°F), while July's temperatures are slightly warmer, starting at a minimum of 12°C (53°F) and averaging 16°C (60°F). Both months showcase similar maximum temperatures, with July peaking at 25°C (77°F) and September reaching 24°C (76°F). However, September is notably wetter, receiving 162 mm (6.4 in) of precipitation over 18 days, compared to July's 108 mm (4.3 in) over just 13 days. Additionally, September experiences higher humidity at 85%, whereas July maintains a lower humidity level of 78%. For those interested in more details about July weather, you can check out Morfa Nefyn weather in July.
In comparing the weather of September and August, September tends to be slightly cooler, with an average temperature of 15°C (59°F), compared to August's average of 16°C (61°F). The maximum temperatures in September reach 24°C (76°F), offering warmer days than August's high of 21°C (71°F). However, September experiences more precipitation, totaling 162 mm (6.4 in) over 18 days, while August sees 166 mm (6.5 in) over 22 days, making the latter slightly wetter overall. Humidity levels are also higher in September at 85%, compared to 79% in August. For more detailed insights into August weather, you can check Morfa Nefyn weather in August.
In comparing the weather of September and October, September tends to be milder with average temperatures ranging from a minimum of 9°C to a maximum of 24°C, while October sees cooler averages, with temperatures dropping to a minimum of 4°C and peaking at 19°C. Additionally, October experiences significantly higher precipitation, totaling 246 mm over 23 days, compared to September's 162 mm over 18 days. Both months have high humidity levels, but October’s rate of 90% is notably higher than September's 85%. For more details about October's weather patterns, you can visit Morfa Nefyn weather in October.
September features milder temperatures, with a minimum of 9°C (49°F) and a maximum of 24°C (76°F), which makes it more pleasant for outdoor activities. However, it also sees considerable rainfall, accumulating 162 mm (6.4 in) over 18 days and a high humidity level of 85%. In contrast, November is significantly cooler, with temperatures dipping to a minimum of 4°C (39°F) and a maximum of 15°C (59°F). This month experiences even more precipitation, totaling 215 mm (8.5 in) across 22 days and a slightly higher humidity of 91%. For more details, you can check Morfa Nefyn weather in November.
When comparing the weather in September and December, significant differences emerge. September boasts a milder range of temperatures, with a minimum of 9°C (49°F) and a maximum of 24°C (76°F), while December's temperatures drop considerably, featuring a minimum of 2°C (36°F) and a maximum of 12°C (54°F). Additionally, September experiences less precipitation, totaling 162 mm (6.4 in) over 18 days, compared to December, which sees 238 mm (9.4 in) of rainfall across 25 days. The humidity levels also rise slightly in December, averaging 89%, compared to September's 85%. For a detailed look at the December weather specific to Morfa Nefyn, you can check Morfa Nefyn weather in December.
As September settles in at Morfa Nefyn, it brings a unique blend of mild temperatures and considerable precipitation, distinguishing it from the sunnier summer months. With the maximum reaching a comfortable 24°C (76°F) but an average that cools down to 15°C (59°F), visitors can expect a refreshing shift in in climate. The high humidity at 85% combined with nearly 18 days of rain defines this transitional month, making it essential for outdoor enthusiasts to plan accordingly. While the warmth can still be enjoyed, the lush, vibrant scenery nourished by 162 mm (6.4 in) of rain offers its own charm. For those intrigued by Morfa Nefyn's distinct seasonal character, further insights can be found at Morfa Nefyn Climate.