September Weather in Aberfan, United Kingdom

Last updated: March 17, 2025

In September, Aberfan, United Kingdom, experiences a diverse range of weather conditions. The maximum temperature reaches a pleasant 27°C (81°F), while the average temperature hovers around 13°C (56°F). As summer transitions into autumn, cooler nights might drop to a minimum of 2°C (36°F). This month is also characterized by significant rainfall, accumulating to 80 mm (3.1 in) over the course of 12 rainy days, contributing to a notable humidity level of 79%. The blend of warm days and cooler evenings, punctuated by intermittent showers, creates a dynamic climate, ideal for those who appreciate the rich tapestry of changing seasons in Aberfan.

September Temperature in Aberfan

In September, Aberfan, United Kingdom, transitions into the brisk embrace of autumn, with temperatures showcasing a notable shift. The minimum temperature settles around 2°C (36°F), providing a hint of the cooler months ahead, while the average climbs to a comfortable 13°C (56°F), perfect for outdoor adventures. The warmth of summer lingers just a bit longer, with maximums reaching a pleasant 27°C (81°F), inviting residents and visitors alike to enjoy the early fall scenery. As the month progresses, the gradual decline in warmth signals a farewell to summer, paving the way for the crisp, refreshing days of October.

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

The chart illustrates September temperature patterns in Aberfan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404143475258616056514542
Data source: Temperature data for Aberfan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Aberfan

In September, Aberfan experiences a moderate precipitation level, with an average of 80 mm (3.1 in) of rain over 12 days. This provides a transition from the wetter months of summer, notably August’s 103 mm (4.1 in), signaling the gradual approach of autumn's larger rainfall patterns. As the year progresses, October typically sees a significant uptick, averaging 132 mm (5.2 in), highlighting a trend towards increased precipitation in the coming months. Overall, September’s rainfall serves as a gentle reminder of the shift in seasons, maintaining a balance between the lush greenery of summer and the impending, heavier downpours of fall.

September Precipitation Trends in Aberfan

The chart displays monthly precipitation patterns in Aberfan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec731121076491899110380132104129
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aberfan

In Aberfan, September marks a subtle transition in humidity levels as the summer months gradually surrender to the onset of autumn. With humidity at 79%, September stands out as a refreshing decline from the warmth of July and August, which experience lower humidity percentages of 70% and 73% respectively. This slight dip suggests a shift towards cooler, more comfortable weather, paving the way for the much more humid months that follow, October and November, which soar back up to 89% and 90%. Thus, September serves as a gentle reminder of the changing seasons, offering a reprieve before the thickets of dampness characteristic of the late fall months take hold in Aberfan.

September Average Humidity in Aberfan

This chart illustrates the average monthly humidity levels in Aberfan, 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%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aberfan

In September, the UV Index in Aberfan, United Kingdom, reaches 6, indicating a high exposure category, with a burn time of just 25 minutes. As the summer months wind down, the index shows a gradual decline from the peak levels of 8 observed in July and June. This transition highlights the importance of remaining aware of sun exposure, even as the season shifts. With the UV Index slowly decreasing, it's essential to maintain sun safety practices—after all, it only takes a short time for harmful rays to cause skin damage. For more details on the UV trends throughout the year, visit Aberfan UV Index.

Maximum UV Index Levels in Aberfan for September

The chart shows the monthly maximum UV Index (UVI) for Aberfan 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Aberfan 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 Aberfan

September in Aberfan, United Kingdom, is a delightful month that continues the summer's warm embrace, boasting 279 hours of sunshine. While this reflects a dip from the sun-drenched days of July and August, which earned 399 and 345 hours respectively, it still signifies a robust transition into autumn. The month showcases a noteworthy trend: as the year progresses, sunshine hours gradually wane, with September serving as a pivotal point. Following the vibrant summer peak, the sun's presence begins to recede, leading into the cooler months of October and November, marked by significantly lower totals of 224 and 121 hours. This gradual decline emphasizes the fleeting nature of summer, inviting residents to savor the lingering warmth and bright days of early fall in Aberfan.

Monthly Sunshine Duration in Aberfan: September Highlighted

The September sunshine duration represents the total number of hours Aberfan 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.
JanFebMarAprMayJunJulAugSepOctNovDec81h134h192h303h379h355h399h345h279h224h121h100h
Data source: Aberfan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Aberfan During September

As September rolls in, Aberfan experiences a 23% chance of sunny weather, mirroring the somewhat inconsistent sunlight typical of August. While this likelihood is a modest improvement from the lower percentages seen in October and December, it still reflects the overall trend of fluctuating sunshine throughout the year. Following a notably brighter April, which boasts a 49% chance of sunny days, the late summer months present a mixed bag, with July peaking at 36% but quickly giving way to the more overcast conditions of autumn. Thus, while September offers a chance to enjoy mild weather, the sun's appearance remains somewhat unpredictable as the season transitions.

Percentage of Sunny Days in September in Aberfan

The chart illustrates the percentage of sunny days in Aberfan 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 Aberfan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%18%24%49%28%25%36%23%23%17%28%17%
Data source: Aberfan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Aberfan in September

As summer fades into autumn, September in Aberfan witnesses a gentle decline in daylight, offering approximately 12 hours of sunlight. This marks a significant shift from the lengthy 16 hours enjoyed in the height of summer, reflecting nature's rhythmic transition. Following the vibrant days of May and June when daylight peaked, September serves as a bridge, easing into the shorter days of October, which only brings 10 hours of daylight. This gradual decrease highlights the dynamic seasonal changes, inviting a blend of warmth and crispness as the landscape prepares for fall. Enthusiasts of the outdoors can savor the fading summer light, making September a delightful time to relish the beauty of Aberfan before the days grow shorter.

Average Daylight Hours in Aberfan for September

The chart illustrates the variation in daylight duration in Aberfan throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 22m9h 57m11h 55m13h 54m15h 39m16h 34m16h 4m14h 30m12h 35m10h 36m8h 49m7h 52m
Data source: Aberfan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Aberfan

As September rolls into Aberfan, the gentle caress of an average wind speed of 3.0 m/s (7 mph) heralds the transition from summer's warmth to autumn's embrace. This month typically experiences a slight dip in wind speed from August's 3.5 m/s (8 mph), reflecting a trend of decreasing breezes as the year progresses towards winter. Interestingly, September's winds are among the calmest of the year, following July's lowest average of 2.8 m/s (6 mph). This subtle shift invites a contemplative atmosphere, perfect for enjoying the vibrant hues of fall foliage while anticipating the brisker winds of October that average 4.1 m/s (9 mph). In Aberfan, September serves as a tranquil interlude, where the quiet winds whisper promises of changing seasons ahead.

Average September Wind Speed in Aberfan

The chart displays monthly wind speed patterns in Aberfan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.94.13.13.93.12.83.53.0 m/s4.13.44.3
Data source: Aberfan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Aberfan Compares to Other Months

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

September and January present contrasting weather profiles. In September, temperatures range from a cool 2°C (36°F) to a warm 27°C (81°F), with an average of 13°C (56°F). The month experiences relatively high humidity at 79% and sees about 80 mm (3.1 in) of precipitation over approximately 12 days. In contrast, January is notably colder, with temperatures ranging from a frigid -7°C (21°F) to a maximum of 12°C (55°F) and an average of just 4°C (40°F). Although January has slightly less precipitation at 73 mm (2.9 in) over 11 days, it also features higher humidity at 88%. For more details on weather conditions in January, you can visit Aberfan weather in January.

September and February present contrasting weather patterns. In September, the temperatures range from a minimum of 2°C (36°F) to a maximum of 27°C (81°F), with an average of 13°C (56°F). This month experiences 80 mm (3.1 in) of precipitation over about 12 days, with humidity levels at 79%. In contrast, February is colder, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 16°C (61°F) and an average of 5°C (41°F). It sees more precipitation at 112 mm (4.4 in) spread across 15 days and higher humidity at 88%. For a detailed look at February weather in Aberfan, follow this link: Aberfan weather in February.

In September, the weather boasts a range of temperatures from a cool 2°C (36°F) at night to a pleasant average of 13°C (56°F) and highs reaching up to 27°C (81°F). The month sees around 80 mm (3.1 in) of precipitation over an average of 12 days, with humidity levels at 79%, making it a relatively comfortable time of year. In contrast, March experiences colder temperatures, with lows dipping to -7°C (19°F) and an average of only 6°C (43°F), peaking at 19°C (67°F). This month is also wetter, recording 107 mm (4.2 in) of rainfall over 16 days, contributing to higher humidity at 86%. For more details on March weather, visit Aberfan weather in March.

When comparing the weather between September and April, notable differences emerge in temperature and precipitation. September typically enjoys milder conditions, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 27°C (81°F), while April experiences cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 22°C (72°F). Precipitation levels are slightly higher in September at 80 mm (3.1 in) over 12 days, compared to April's 64 mm (2.5 in) over 10 days. Additionally, humidity levels are similar, with September at 79% and April slightly higher at 84%. For more specific insights on April weather, you can refer to Aberfan weather in April.

In comparing the weather of September and May, we see some notable differences. September tends to have a slightly warmer average temperature of 13°C (56°F), with a maximum of 27°C (81°F), while May is cooler on average at 11°C (52°F), peaking at 25°C (78°F). However, both months experience similar humidity levels, with September at 79% and May just slightly higher at 80%. Precipitation is also relatively close, as September records 80 mm (3.1 in) over 12 days, while May has slightly more at 91 mm (3.6 in) over 13 days. For a closer look at weather specifics in May, you can check Aberfan weather in May.

When comparing the weather in September and June, September tends to be slightly cooler overall. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 27°C (81°F), with an average of 13°C (56°F). In contrast, June usually experiences a minimum of 5°C (41°F) and a maximum of 28°C (83°F), with an average temperature of 14°C (58°F). Both months have similar levels of precipitation, with September receiving 80 mm (3.1 in) over 12 days and June slightly higher at 89 mm (3.5 in) over 14 days. Humidity levels are comparable as well, with September at 79% and June at 80%. For more details on specific weather patterns, you can refer to Aberfan weather in June.

In comparing the weather of September and July, we see notable differences in temperature and precipitation patterns. September typically experiences a wider range of temperatures, with minimums dipping to 2°C (36°F) and maximums reaching 27°C (81°F), resulting in an average temperature of 13°C (56°F). It also has a relatively high humidity level at 79% and receives about 80 mm (3.1 in) of precipitation over 12 days. In contrast, July tends to be warmer, with minimum temperatures around 6°C (43°F) and maximums peaking at 28°C (83°F), culminating in a slightly higher average of 16°C (62°F). Additionally, July experiences slightly more precipitation at 91 mm (3.6 in) across the same number of wet days, but with lower humidity at 70%. For a detailed look at July weather in Aberfan, visit Aberfan weather in July.

In comparing the weather patterns of September and August, September experiences slightly cooler temperatures with a minimum of 2°C (36°F) and a maximum of 27°C (81°F), whereas August has a minimum of 5°C (42°F) and a maximum of 29°C (85°F). The average temperature in September is 13°C (56°F), which is marginally lower than August's average of 15°C (60°F). Precipitation is also another noteworthy difference; September sees 80 mm (3.1 in) of rain over 12 days, while August has higher precipitation levels at 103 mm (4.1 in) over 13 days. Additionally, humidity is higher in September at 79%, compared to 73% in August. For more details on August weather conditions, you can visit Aberfan weather in August.

September and October present a noticeable transition in weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 27°C (81°F), with an average of 13°C (56°F). The month sees about 80 mm (3.1 in) of rainfall over 12 days, accompanied by a relatively lower humidity of 79%. In contrast, October experiences cooler temperatures with a minimum of -2°C (28°F) and a maximum of 21°C (71°F), averaging at 10°C (51°F). Rainfall increases significantly to 132 mm (5.2 in) over 15 days, alongside rising humidity levels of 89%. This shift marks the onset of deeper autumn weather conditions. For a more detailed look at the specific weather patterns, you can check Aberfan weather in October.

September and November present a stark contrast in weather conditions. In September, temperatures typically range from a mild 2°C (36°F) at night to a warm 27°C (81°F) during the day, with an average of 13°C (56°F). This month also experiences relatively lower humidity levels at 79%, with about 80 mm (3.1 in) of rainfall spread over 12 days. In contrast, November sees a significant drop in temperatures, ranging from a chilly -3°C (26°F) at night to a maximum of 15°C (60°F), with an average of 7°C (45°F). The humidity increases to 90%, and precipitation rises to 104 mm (4.1 in) over 15 days. For more specific details on this month, you can check Aberfan weather in November.

In September, the weather is generally mild, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 27°C (81°F) and an average of 13°C (56°F). This month sees about 80 mm (3.1 in) of precipitation over 12 days, coupled with a humidity level of 79%. In contrast, December brings a noticeable drop in temperatures, with a minimum of -8°C (17°F), an average of only 6°C (42°F), and a maximum of 13°C (55°F). Additionally, precipitation increases to 129 mm (5.1 in) over 17 days, accompanied by higher humidity at 89%. For those interested in December specifics, you can find more details here: Aberfan weather in December.

Compare Aberfan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Aberfan

September in Aberfan brings a distinct shift in weather, setting it apart from the warmer summer months. With average temperatures dipping to a refreshing 13°C, the days are noticeably cooler, transitioning from the blissful highs of summer. This month also witnesses increased precipitation, averaging 80 mm over 12 days, contributing to a 79% humidity level that can feel quite refreshing yet damp. These cooler, wetter conditions herald the arrival of autumn, inviting both locals and visitors to enjoy the vibrant seasonal changes while embracing Aberfan's unique charm. For more detailed insights into the climate throughout the year, visit Aberfan Climate.