September Weather in Moelfre, United Kingdom

Last updated: March 17, 2025

In Moelfre, United Kingdom, September showcases a remarkable range of temperatures, peaking at a maximum of 27°C (81°F), while settling to a comfortable average of 14°C (57°F) and dropping to a brisk minimum of 3°C (38°F) at night. This month is characterized by its notable precipitation, with a total of 98 mm (3.9 in) spread over 15 days, contributing to a humid atmosphere with levels reaching 85%. Such climatic conditions create a vibrant backdrop for both local flora and outdoor activities, inviting exploration of this picturesque coastal village.

September Temperature in Moelfre

As September rolls into Moelfre, the temperatures begin to transition, offering a refreshing change from the summer heat. With a minimum of 3°C (38°F) and an average of 14°C (57°F), locals and visitors alike can enjoy mild days ideal for outdoor activities. The maximum temperature can reach a delightful 27°C (81°F), making it one of the last months to experience the warmth of summer. This pleasant climate trend marks a noticeable shift from the hotter days of August, while still retaining a hint of warmth that draws people outside to savor the beautiful landscapes and coastal views. As autumn approaches, the days gradually cool, paving the way for the crisp and colorful seasons ahead.

September Weather in Moelfre: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Moelfre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434445485358616057524745
Data source: Temperature data for Moelfre generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Moelfre

In September, Moelfre experiences a noteworthy blend of rainfall as it receives 98 mm (3.9 in) of precipitation over 15 days. This marks a slight decrease from the more abundant showers of August, which delivered 105 mm (4.1 in) across 19 days. The transition toward autumn is evident as precipitation starts to ramp up again in October, where the total surges to 128 mm (5.1 in). September's rainfall serves as a gentle precursor to the wetter months ahead, highlighting the region's characteristic variability as it prepares for the brisker, rain-heavy days of fall. Notably, the frequency of rainy days remains consistent, reflecting a persistent drizzle that keeps the landscape lush throughout the month.

September Precipitation Trends in Moelfre

The chart displays monthly precipitation patterns in Moelfre, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec771031045571918210598128111129
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Moelfre

In September, Moelfre experiences a notable rise in humidity, reaching 85%, as the transition from summer to autumn begins. This increase marks a slight rebound after the relatively lower levels of 78% in July and 79% in August, highlighting the region's typical late-summer to early-autumn shift. However, as the seasons change, October is poised to bring even more moisture, with humidity expected to climb back to a robust 90%. Overall, this trend underscores the coastal town's characteristic dampness, maintaining a relatively high humidity level throughout the year, especially as it heads into the wetter months of late autumn and winter.

September Average Humidity in Moelfre

This chart illustrates the average monthly humidity levels in Moelfre, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Moelfre

As September unfolds in Moelfre, United Kingdom, the UV Index settles at 5, placing it in the moderate exposure category. This marks a gentle decline from the peak summer months of July and August, where the index soared to 8 and 7, indicating very high and high exposure levels, respectively. The changing season calls for a return to a more cautious approach, as the burn time increases slightly to 30 minutes. As the days shorten and temperatures start to cool, it's a perfect reminder to enjoy the outdoors while still being mindful of sun safety. For more details on UV exposure in your area, visit Moelfre UV Index.

Maximum UV Index Levels in Moelfre for September

The chart shows the monthly maximum UV Index (UVI) for Moelfre in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Moelfre September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Moelfre

As summer fades into autumn, September in Moelfre offers a delightful balance of sunshine, with 315 hours of bright, golden light to enjoy. Following the peak of July's 421 hours, the sun gradually begins to retreat, yet September still boasts a generous amount of daylight, outshining the chill of October ahead, which sees a decrease to 238 hours. This month serves as a beautiful transition, bridging the vibrant warmth of summer with the crisp beginnings of fall, making it an ideal time for outdoor activities amidst stunning coastal views. The consistent rise from January's meager 93 hours to September's sunshine indicates a clear trend of increasing brightness, providing ample opportunity to savor the last rays of summer before winter's approach.

Monthly Sunshine Duration in Moelfre: September Highlighted

The September sunshine duration represents the total number of hours Moelfre experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec93h162h228h335h415h404h421h383h315h238h126h109h
Data source: Moelfre September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Moelfre During September

September in Moelfre, United Kingdom, marks a subtle transition as summer yields to autumn, reflected in the 20% chance of sunny days. This likelihood is a noticeable dip compared to the more vibrant spring months like April, which boasts a 46% chance of sunshine. As summer wanes, the sunniest days of the year begin to fade, with August preceding September at 24%. Overall, September's weather hints at cooler and cloudier days ahead, making it a month where residents and visitors alike must brace for the unpredictability of autumn, trading the warmth of sun-soaked days for the crisp charm of early fall.

Percentage of Sunny Days in September in Moelfre

The chart illustrates the percentage of sunny days in Moelfre throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Moelfre experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%25%25%46%30%25%35%24%20%17%19%23%
Data source: Moelfre September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Moelfre in September

As summer wanes in Moelfre, September brings a gentle transition with 12 hours of daylight. This month signals the gradual retreat of long sunny days, reminding us of the vibrant warmth of June and July, when daylight peaked at a generous 16 hours. As the days shorten, the shift is apparent; from the bright 15 hours of May to the more moderate daylight in September, nature begins to prepare for the coziness of autumn. The lengthening shadows and cooler evenings hint at the forthcoming months, making September a perfect balance between the lingering essence of summer and the calm approach of fall.

Average Daylight Hours in Moelfre for September

The chart illustrates the variation in daylight duration in Moelfre throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 8m9h 50m11h 54m14h 1m15h 53m16h 52m16h 20m14h 39m12h 37m10h 31m8h 37m7h 36m
Data source: Moelfre daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Moelfre

As September rolls into Moelfre, the wind carries with it a gentle whisper of change, averaging 3.3 m/s (7 mph) this month. This marks a slight dip from the summer lull experienced in July, where winds were notably calmer at 2.7 m/s (6 mph). The transition to autumn is felt as the gusts begin to invigorate the air, yet they retain a subtle softness characteristic of early fall. Interestingly, September's winds pave the way for an uptick in velocity as October approaches, hinting at the more brisk conditions that the later months will bring. The overall trend reflects a seasonal rhythm, with wind speeds fluctuating throughout the year, peaking at 5.8 m/s (13 mph) in February. Thus, September stands as a reminder of summer's end, with breezes soft enough to enjoy while foreshadowing the invigorating gusts of autumn ahead.

Average September Wind Speed in Moelfre

The chart displays monthly wind speed patterns in Moelfre, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.65.85.23.34.03.82.73.83.3 m/s5.54.85.0
Data source: Moelfre September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Moelfre Compares to Other Months

The weather in Moelfre 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 Moelfre and find detailed weather information for every month.

September and January present distinctly different weather profiles. In September, temperatures range from a mild minimum of 3°C (38°F) to a pleasant maximum of 27°C (81°F), with an average of 14°C (57°F). The month sees significant rainfall, totaling 98 mm (3.9 in) over 15 days, while humidity levels sit at 85%. In contrast, January features cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 14°C (57°F), averaging 6°C (43°F). Precipitation in January is slightly lower at 77 mm (3.0 in) across 13 days, yet humidity is a bit higher at 89%. For a closer look at January weather specifics, check out Moelfre weather in January.

When comparing the weather in September and February, there are notable differences in temperature and overall conditions. September boasts a wider temperature range, with minimums of 3°C (38°F) and maximums reaching up to 27°C (81°F), while February experiences cooler temperatures, with lows of -4°C (26°F) and highs only reaching 18°C (65°F). Both months see significant rainfall, with February receiving slightly more precipitation at 103 mm (4.1 in) compared to September's 98 mm (3.9 in). Additionally, February tends to have higher humidity at 88% compared to September's 85%. For more specific details, visit Moelfre weather in February.

In comparing the weather of September and March, we see notable differences in temperature and precipitation patterns. September enjoys milder temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 27°C (81°F), with an average of 14°C (57°F). In contrast, March is chillier, with temperatures ranging from -5°C (23°F) to a maximum of 18°C (65°F) and an average temperature of just 7°C (45°F). Both months experience significant rainfall, with March slightly edging out September in precipitation at 104 mm (4.1 in) over 18 days compared to September's 98 mm (3.9 in) across 15 days. Humidity levels remain high in both months, hovering around 85% in September and 86% in March. For more detailed insights, you can visit Moelfre weather in March.

When comparing the weather in September and April, notable differences emerge. September features a wider temperature range, with minimums around 3°C (38°F) and maximums reaching up to 27°C (81°F), resulting in an average of 14°C (57°F). In contrast, April begins with cooler temperatures, with minimums dipping to -1°C (31°F) and only rising to a maximum of 22°C (72°F), leading to a lower average of 9°C (48°F). While September is characterized by relatively high humidity at 85% and more precipitation (98 mm over 15 days), April is slightly less humid at 84% and experiences less rainfall (55 mm over 11 days). For a detailed look at April's weather, you can visit Moelfre weather in April.

In comparing the weather of September and May, we see distinct differences in temperature and precipitation. September experiences a broader temperature range, with minimums of 3°C (38°F) and maximums reaching up to 27°C (81°F), while May has cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 28°C (82°F). Despite May's slightly warmer average temperature of 12°C (53°F) compared to September's 14°C (57°F), the latter sees more precipitation, with 98 mm (3.9 in) over 15 days versus May’s 71 mm (2.8 in) across 12 rainy days. Additionally, September's humidity is higher at 85%, compared to 79% in May. For more specific information about Moelfre's weather conditions in May, you can check Moelfre weather in May.

In comparing the weather patterns of September and June, September tends to experience a broader temperature range, with minimums around 3°C (38°F) and maximums peaking at 27°C (81°F), compared to June's slightly warmer temperatures of 5°C (41°F) minimum and a maximum of 29°C (84°F). Both months see a similar level of precipitation, with September registering 98 mm (3.9 in) over approximately 15 rainy days, while June has slightly less at 91 mm (3.6 in) across about 14 days. Additionally, humidity levels are higher in September at 85%, compared to June's 81%. For more detailed insights about the climate in June, you can check Moelfre weather in June.

In comparing the weather of September and July, September tends to be cooler overall, with minimum temperatures dropping to around 3°C (38°F) compared to July’s minimum of 7°C (45°F). The average temperature in September is 14°C (57°F), slightly lower than July’s average of 16°C (61°F), and while the maximum temperatures are close, September's peak reaches 27°C (81°F) compared to July's 29°C (85°F). Both months experience a similar number of rainy days—15—but September receives more precipitation, totaling 98 mm (3.9 in) compared to July’s 82 mm (3.2 in). Additionally, September’s humidity sits at 85%, which is higher than July's 78%. For those interested in the specifics of July weather, you can find more details here: Moelfre weather in July.

In comparison to August, September experiences cooler temperatures with minimums dropping to 3°C (38°F) and an average of 14°C (57°F), while August maintains a warmer minimum of 8°C (46°F) and an average of 16°C (61°F). Both months have similar maximum temperatures, with September peaking at 27°C (81°F) and August at 26°C (79°F). Precipitation levels are slightly lower in September at 98 mm (3.9 in) across 15 days compared to August's 105 mm (4.1 in) over 19 days. Additionally, September has a higher average humidity of 85%, while August averages 79%. For more details about August weather in the area, you can visit Moelfre weather in August.

As September transitions into October, the weather experiences a noticeable shift. September boasts milder temperatures with a minimum of 3°C (38°F) and an average of 14°C (57°F), reaching a maximum of 27°C (81°F). However, as October arrives, temperatures drop, featuring a minimum of -2°C (29°F) and an average of 11°C (53°F), peaking at 22°C (71°F). The rainfall also increases, with October receiving 128 mm (5.1 in) across 18 days, compared to September's 98 mm (3.9 in) over 15 days. Additionally, humidity rises from 85% in September to 90% in October, emphasizing the cooler and wetter conditions. For more detailed climate specifics, you can refer to Moelfre weather in October.

In comparing the weather between September and November, it's clear that November brings a significant drop in temperatures. While September experiences a minimum of 3°C (38°F) and an average of 14°C (57°F), November sees even colder temperatures, with a minimum dipping to -1°C (31°F) and an average of 9°C (48°F). Additionally, September boasts a maximum of 27°C (81°F), allowing for warm days, contrasting sharply with November’s maximum of 15°C (60°F). Precipitation also increases slightly in November, totaling 111 mm (4.4 in) over 19 days compared to September's 98 mm (3.9 in) over 15 days, and humidity rises to 91% in November from 85% in September. For more detailed information, check out Moelfre weather in November.

September and December exhibit stark contrasts in weather conditions. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 27°C (81°F), providing a comfortable average of 14°C (57°F). Meanwhile, December sees cooler temperatures, with a minimum of -1°C (30°F) and an average of 7°C (45°F), peaking at 13°C (56°F). Both months experience notable precipitation, with September receiving 98 mm (3.9 in) over approximately 15 days, while December has increased rainfall of 129 mm (5.1 in) spread over 20 days. Additionally, humidity levels are slightly higher in December, at 89% compared to September's 85%. For more details, visit Moelfre weather in December.

Compare Moelfre's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Moelfre

As summer wanes, September in Moelfre brings a noticeable shift in weather patterns, contrasting sharply with the warmer months. The average temperature cools significantly, nestled between comfortable highs and crisp lows, inviting a refreshing ambiance. The increased rainfall, with precipitation spread over half the month, adds to the lush scenery, while elevated humidity levels can make the air feel a bit more pronounced. This blend of milder warmth and emerging autumnal conditions makes September unique, offering a stunning backdrop for outdoor activities amidst the changing landscape. To gain deeper insights into Moelfre's climatic nuances, be sure to visit Moelfre Climate.