September Weather in Aber, United Kingdom

Last updated: March 17, 2025

In September, Aber, United Kingdom experiences a blend of temperate weather, marked by a maximum temperature of 27°C (81°F) and an average of 14°C (57°F). The month brings a cooler side as temperatures can dip to a minimum of 2°C (36°F). With precipitation totaling 100 mm (4.0 in) over approximately 15 rainy days, it's a month characterized by significant humidity at 85%, contributing to the lush greenery of the region. Visitors should come prepared for occasional showers while enjoying the mild temperatures that make Aber a pleasant autumn destination.

September Temperature in Aber

In September, Aber, United Kingdom, experiences a shift as summer gracefully transitions into autumn. With minimum temperatures around 2°C (36°F) and an average of 14°C (57°F), the weather begins to cool, yet still holds onto comfortable days. The maximum temperatures can reach up to 27°C (81°F), allowing for pleasant late-summer outings before the chill of autumn settles in. This month marks a noteworthy change from the peak warmth of July and August, yet it retains a hint of summer’s influence, making it an ideal time for outdoor activities amidst the vibrant fall foliage starting to emerge.

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

The chart illustrates September temperature patterns in Aber, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344475258616056524643
Data source: Temperature data for Aber 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 Aber

In September, Aber experiences a notable precipitation level, with an average of 100 mm (4.0 in) across approximately 15 days of rain. This marks a slight dip from the wetter months of August and October, reflecting the transition into the autumn season. The wettest months typically cluster around late summer and early fall, suggesting a trend where precipitation peaks significantly from June through October. With its rich rainfall, Aber remains lush and vibrant during this time, inviting both locals and visitors to witness the beauty of the landscape rejuvenated by the seasonal showers. As autumn settles in, one can expect September's rain to play a vital role in nurturing the region's greenery.

September Precipitation Trends in Aber

The chart displays monthly precipitation patterns in Aber, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7810310558789893109101122103128
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aber

As the summer fades and autumn begins, September in Aber, United Kingdom, experiences a slight rise in humidity, measuring at 85%. This marks a transition from the drier summer months, particularly July and August, which see humidity levels drop to their lowest at 78% and 79%, respectively. The gradual increase in humidity from late summer suggests an approaching shift in weather patterns, leading to the more humid conditions typical of the autumn months. As the leaves change and temperatures begin to cool, September stands as a reminder of the moisture-laden air that will soon envelop the region, with humidity levels climbing towards 90% by October.

September Average Humidity in Aber

This chart illustrates the average monthly humidity levels in Aber, 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 Aber

In September, Aber, United Kingdom, experiences a moderate UV Index of 5, indicating that while sun exposure is manageable, precautions are still advisable. This month marks a shift from the very high levels seen in the peak summer months of June and July, where the UV Index reached 8 and required swift action to avoid sunburn. Compared to August's 7, September settles at a more moderate level, demanding about 30 minutes of unprotected sun exposure before skin damage may occur. As autumn approaches, it’s a reminder to remain vigilant under the sun, even as the days become shorter. For a detailed overview of UV trends and safety tips, visit Aber UV Index.

Maximum UV Index Levels in Aber for September

The chart shows the monthly maximum UV Index (UVI) for Aber 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: Aber 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 Aber

As summer gives way to autumn in Aber, September boasts a delightful 313 hours of sunshine, a significant shift from the sun-drenched heights of July and August. While the daylight starts to dwindle compared to the vibrant months prior, September still retains a commendable amount of sunshine, showcasing a resilient streak of warmth as the season transitions. This month marks a notable decrease from August's 385 hours, yet it remains substantially brighter than the upcoming months. In contrast to the drearier winter months, with January's mere 93 hours and February's 160 hours, September invites visitors to enjoy the lingering warmth and scenic beauty before autumn fully sets in, making it a perfect time to soak in the last rays of summer.

Monthly Sunshine Duration in Aber: September Highlighted

The September sunshine duration represents the total number of hours Aber 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h160h226h331h412h400h421h385h313h237h124h106h
Data source: Aber September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Aber During September

In Aber, United Kingdom, the likelihood of enjoying sunny weather reaches its peak in April at 45%, but by September, that chance dwindles to a mere 19%. This decline signifies a consistent trend as the summer transitions into autumn, with monthly probabilities of sunshine decreasing notably. July presents the highest likelihood of sun following April, yet even that is only 34%. As we step into September, the lingering summer warmth gives way to the cooler, cloudier days that characterize the region, making it a time where sunny spells become fleeting and precious. While September may still hold some golden moments, residents and visitors alike should be prepared for the overcast skies that often prevail as autumn approaches.

Percentage of Sunny Days in September in Aber

The chart illustrates the percentage of sunny days in Aber 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 Aber experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%23%25%45%27%25%34%23%19%17%19%20%
Data source: Aber September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Aber in September

In Aber, United Kingdom, the transition into September marks a notable shift in daylight duration as the summer sun begins to wane. With 12 hours of daylight, September offers a gentle retreat from the long, sunlit days of summer, peaking at 16 hours in June and July. As the season progresses, daylight diminishes gradually, moving towards the shorter days of autumn. This two-hour decrease from August's 14 hours signals the onset of longer evenings and cooler temperatures, reminding us that the warmth of summer is giving way to the crispness of fall. Embracing this change allows for cozy evenings and the beauty of nature's transformation.

Average Daylight Hours in Aber for September

The chart illustrates the variation in daylight duration in Aber 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 30m8h 37m7h 35m
Data source: Aber daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Aber

As September arrives in Aber, the transition to autumn is marked not only by the crispness in the air but also by a gentle breeze, with an average wind speed of 2.9 m/s (7 mph). This marks a decline from the summer months, where the winds were lighter, peaking in July at 2.4 m/s (5 mph), before slightly picking up again. Comparatively, the wind speed during September is reminiscent of the spring, where conditions were similarly breezy. The trend shows that as the seasons shift from the warmth of summer to the chill of autumn, Aber experiences a calming lull in wind intensity, setting the stage for cooler, windier days ahead in October with an expected increase to 4.7 m/s (11 mph). This ebb and flow of wind serve as a reminder of nature's rhythm, painting a picturesque backdrop for the changing leaves of the season.

Average September Wind Speed in Aber

The chart displays monthly wind speed patterns in Aber, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.04.62.93.53.32.43.32.9 m/s4.74.24.3
Data source: Aber September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Aber Compares to Other Months

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

September and January present contrasting weather patterns. September boasts a mild average temperature of 14°C (57°F) with daytime highs reaching up to 27°C (81°F), making it feel much warmer. In contrast, January's average temperature drops to just 5°C (42°F), with maximum temperatures of 14°C (57°F) and minimums dipping as low as -4°C (24°F). Precipitation is quite similar between the two months, with September receiving 100 mm (4.0 in) over 15 days compared to January's 78 mm (3.1 in) across 13 days. Additionally, January experiences slightly higher humidity at 89% compared to September's 85%. For more detailed information on January weather, you can check Aber weather in January.

September and February exhibit quite contrasting weather conditions. In September, temperatures range from a mild 2°C (36°F) at night to a warm 27°C (81°F) during the day, averaging around 14°C (57°F). With around 100 mm (4.0 in) of precipitation spread over 15 days and a humidity level of 85%, the early fall month is generally warm and often wet.

In contrast, February experiences colder temperatures, with a minimum of -5°C (23°F) and a maximum of 19°C (66°F), averaging only 6°C (43°F). This month sees slightly more precipitation at 103 mm (4.1 in), occurring over 16 days, and a higher humidity of 88%. Consequently, February is characterized by chillier temperatures and a damp atmosphere. For more information on February weather specifics, you can visit Aber weather in February.

When comparing the weather between September and March, distinct differences emerge. September typically enjoys warmer temperatures, with averages around 14°C (57°F) and highs reaching up to 27°C (81°F), while March is significantly cooler, averaging just 7°C (44°F) and peaking at 18°C (65°F). Both months experience considerable precipitation, with September averaging 100 mm (4.0 in) over about 15 days and March slightly higher at 105 mm (4.1 in) across 17 days. Humidity levels are similar, with September at 85% and March at 86%, creating a damp atmosphere in both months. For a detailed overview of March weather, you can check Aber weather in March.

In comparing the weather between September and April, we can observe notable differences in temperatures and precipitation levels. September generally offers warmer conditions, with average highs of 27°C (81°F) compared to April's warmer days reaching a maximum of 22°C (73°F). However, April temperatures start lower, with nighttime lows dipping to -2°C (28°F), whereas September remains milder with a minimum of 2°C (36°F). Additionally, September experiences more precipitation, averaging 100 mm (4.0 in) over 15 rainy days, while April has less rain at 58 mm (2.3 in) across 12 days. Both months showcase high humidity, hovering around 84% in April and slightly higher at 85% in September. For more details on April weather, you can visit Aber weather in April.

When comparing the weather in September and May, September generally offers warmer temperatures, with an average of 14°C (57°F) compared to May's 11°C (53°F). While both months experience a mix of cooler nights, September has a higher maximum temperature, reaching up to 27°C (81°F), whereas May peaks at 28°C (82°F). Precipitation levels in September are slightly higher at 100 mm (4.0 in) over 15 days, compared to May's 78 mm (3.1 in) over 13 days. Additionally, September's humidity is marginally higher at 85%, while May averages 79%. For more specifics about May weather, you can check Aber weather in May.

Comparing the weather in September and June reveals some interesting differences. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 27°C (81°F), with an average of 14°C (57°F). The month experiences about 100 mm (4.0 in) of precipitation over 15 days and has a humidity level of 85%. In contrast, June has a slightly warmer temperature range, with a minimum of 4°C (40°F) and a maximum of 29°C (85°F), averaging 15°C (58°F). Precipitation is quite similar at 98 mm (3.8 in) over 13 days, but humidity is lower at 81%. For a more detailed look at June’s weather conditions, you can visit Aber weather in June.

In comparing the weather between September and July, September tends to be cooler, with an average temperature of 14°C (57°F) compared to July's warmer average of 16°C (61°F). Both months experience a relatively high level of precipitation, with September recording 100 mm (4.0 in) over 15 days, slightly more than July's 93 mm (3.7 in) across 16 days. Additionally, September is characterized by higher humidity at 85%, while July's humidity is a bit lower at 78%. This makes September feel more damp and cool, whereas July offers a warmer and slightly drier climate. For more details on July weather, you can check Aber weather in July.

In comparing the weather of September and August, September tends to be slightly cooler, with minimum temperatures dropping to 2°C (36°F) compared to August's 6°C (44°F). Both months reach similar maximum temperatures of around 27°C (81°F), but September averages a lower overall temperature of 14°C (57°F), compared to 15°C (60°F) in August. Precipitation levels are also noteworthy; September experiences 100 mm (4.0 in) over 15 days of rain, while August sees slightly more with 109 mm (4.3 in) across 18 days. Notably, September has a higher humidity level at 85%, compared to August’s 79%. For more details about August weather, you can visit Aber weather in August.

In comparing the weather between September and October, notable shifts can be observed. September typically experiences milder temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 27°C (81°F), with an average of 14°C (57°F). This month also sees around 100 mm (4.0 in) of precipitation over 15 days, accompanied by a humidity level of 85%. In contrast, October brings cooler conditions, with temperatures dropping to a minimum of -3°C (26°F) and an average of 11°C (52°F), peaking at 21°C (71°F). The month experiences increased precipitation at 122 mm (4.8 in) across 19 days and a slightly higher humidity of 90%. For more details on October weather, visit Aber weather in October.

In September, temperatures range from a mild 2°C (36°F) at night to a pleasant 27°C (81°F) during the day, with an average of 14°C (57°F). The month sees significant rainfall, totaling 100 mm (4.0 in) across 15 days, with humidity levels at 85%. In contrast, November experiences cooler temperatures, with min values dropping to -2°C (28°F) and max temperatures only reaching 15°C (60°F), averaging around 8°C (46°F). Although precipitation increases slightly to 103 mm (4.1 in) over 19 days and humidity rises to 91%, the overall feel of the weather shifts towards a colder, more overcast environment. For more insights into the weather characteristics of November, check out Aber weather in November.

September and December present markedly different weather patterns. In September, temperatures range from a mild 2°C (36°F) at night to a warm 27°C (81°F) during the day, with an average of 14°C (57°F). The month experiences about 100 mm (4.0 in) of precipitation over approximately 15 days and maintains a humidity level of 85%. In contrast, December is much colder, with temperatures dipping as low as -3°C (26°F) at night and peaking at 13°C (56°F) during the day, averaging only 6°C (44°F). This month sees even higher precipitation, totaling 128 mm (5.0 in) over around 20 days, while humidity slightly increases to 89%. For more detailed information, check out Aber weather in December.

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Conclusion: What to Expect From September Weather in Aber

As summer draws to a close, September in Aber brings a noticeable shift in weather, characterized by cooler temperatures and increased rainfall. Unlike the warmer summer months, this month embraces an average temperature that dips, making the days feel crisp and refreshing. With high humidity levels, you can expect a more damp atmosphere, contributing to frequent rainy days that total around 15. While the maximum temperatures no longer soar, the vibrant fall landscape begins to emerge, welcoming you to enjoy the beauty of Aber's changing season. For more insights into Aber's annual weather patterns, visit Aber Climate.