September Weather in Cushendall, United Kingdom

Last updated: March 17, 2025

In September, Cushendall, United Kingdom experiences a mild maritime climate characterized by a maximum temperature of 20°C (69°F) and an average of 13°C (56°F). The month sees a notable minimum temperature dropping to 4°C (39°F), leading to cool evenings. With 81 mm (3.2 in) of precipitation spread across 17 days, the region is quite damp, resulting in a relative humidity of 88%. Visitors can expect a blend of crisp, fresh air and intermittent rain, making it a season of rich greenery and stunning coastal scenery.

September Temperature in Cushendall

As September unfolds in Cushendall, the last hints of summer linger with a gentle transition into autumn. Temperatures during this month range from a minimum of 4°C (39°F) to a comfortable maximum of 20°C (69°F), offering a mild average temperature of 13°C (56°F). This slight dip marks a significant change from the warmer summer months, as the days gradually shorten and a crispness begins to fill the air. Compared to the peak warmth of July and August, September strikes a balance that invites outdoor exploration while still retaining some of summer's charm. With each passing day, the landscape begins to blush with early autumn hues, making it an enchanting time to experience Cushendall's natural beauty.

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

The chart illustrates September temperature patterns in Cushendall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424244465156585855514744
Data source: Temperature data for Cushendall 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 Cushendall

In September, Cushendall experiences a notable shift in rainfall patterns, with precipitation recorded at 81 mm (3.2 in) over 17 days. This marks a decrease from the height of summer, where August’s rainfall peaked dramatically at 128 mm (5.0 in) across 19 days. The trend suggests a transition toward a drier season, yet September still retains a considerable amount of rainfall, falling closely in line with earlier months like May and March. As the year progresses, this medium level of precipitation indicates that while autumn approaches, the region continues to experience the lingering effects of summer rains, keeping its lush, green landscapes well-hydrated.

September Precipitation Trends in Cushendall

The chart displays monthly precipitation patterns in Cushendall, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6910182456791991288110610399
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cushendall

In Cushendall, United Kingdom, September marks a notable rise in humidity, reaching 88%. This increase represents a gradual upward trend as the year progresses, following a relatively stable summer where humidity remained at 86% in both July and August. As autumn approaches, the transition continues, with October expected to elevate humidity levels further to 89%. This pattern suggests that while summer brings a certain warmth, it's the fall months that usher in a more moist climate, ultimately leading to the year's peak humidity by November at 90%. Observers in Cushendall can expect a cozy, damp atmosphere, typical of the region's maritime climate as it transitions from summer to fall.

September Average Humidity in Cushendall

This chart illustrates the average monthly humidity levels in Cushendall, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cushendall

In September, Cushendall, United Kingdom, sees a moderate UV Index of 5, indicating a shift as summer transitions to autumn. With a burn time of 30 minutes, it’s essential to remain vigilant about sun exposure, particularly during midday hours. This month marks a slight decrease from August's high index, when visitors enjoyed longer, sun-filled days with an index of 6. As the year progresses, the UV levels will continue to fluctuate, but September's moderate index still calls for sun safety precautions. For more details on UV exposure throughout the year, check out Cushendall UV Index.

Maximum UV Index Levels in Cushendall for September

The chart shows the monthly maximum UV Index (UVI) for Cushendall 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Cushendall 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 Cushendall

September in Cushendall sees a delightful transition as summer gently gives way to autumn, boasting an impressive 296 hours of sunshine. This month marks a notable decline from the peak of 418 hours in July, yet still shines brighter than the early winter months. With each passing month from March's 218 hours to July's peak, there’s a clear trend of increasing daylight that enriches the charm of the area. As October approaches, the sun dips further, but September's golden glow offers a beautiful farewell to summer, providing ample opportunities for outdoor exploration before the chill sets in. Nature lovers and locals alike can bask in the warm hues of early fall during this radiant month.

Monthly Sunshine Duration in Cushendall: September Highlighted

The September sunshine duration represents the total number of hours Cushendall 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.
JanFebMarAprMayJunJulAugSepOctNovDec76h151h218h331h412h405h418h365h296h228h119h85h
Data source: Cushendall September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cushendall During September

In Cushendall, the likelihood of sunny weather in September offers a modest 20% chance, which reflects a slight dip compared to the more vibrant spring months, with April peaking at 45%. As summer transitions into autumn, this decrease is consistent with a general downward trend observed throughout the latter half of the year. Notably, the anticipation for sunny days also diminishes as we move from August's 18% chance into the cooler October, where the sun shines even less often. Thus, while September may still present opportunities for pleasant weather, it is wise to temper expectations as nature begins to embrace the encroaching chill of autumn.

Percentage of Sunny Days in September in Cushendall

The chart illustrates the percentage of sunny days in Cushendall 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 Cushendall experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%27%18%45%32%24%28%18%20%18%19%14%
Data source: Cushendall September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cushendall in September

As the summer fades and autumn begins to take hold, September in Cushendall offers a noteworthy transition in daylight duration, with approximately 12 hours of sunlight. This marks a gradual decrease from the peak of 17 hours experienced in June, smoothly bridging the vibrant summer months to the shorter days of fall. The progression from August's 14 hours illustrates a gentle but noticeable shift as evenings become increasingly crisp. This trend reflects a rhythm of nature, inviting residents and visitors alike to savor the lingering warmth and beauty of early autumn before the daylight continues to dwindle into the colder months.

Average Daylight Hours in Cushendall for September

The chart illustrates the variation in daylight duration in Cushendall throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 51m9h 41m11h 53m14h 9m16h 10m17h 15m16h 40m14h 50m12h 39m10h 24m8h 22m7h 15m
Data source: Cushendall daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cushendall

In September, Cushendall experiences a gentle breeze, with an average wind speed of 3.9 m/s (9 mph), signaling the transition from the warmer summer months. This slight uptick from July and August reflects a subtle shift in climatic conditions, as the winds begin to pick up again in the autumn months. Following a summer lull, the average wind speeds increase noticeably into October at 5.4 m/s (12 mph) and continue to climb into November, reaching 6.1 m/s (14 mph). Overall, September serves as a bridge between the tranquil summers and the brisk, invigorating gales of fall, making it an ideal time to enjoy the scenic beauty of Cushendall while feeling the freshening air.

Average September Wind Speed in Cushendall

The chart displays monthly wind speed patterns in Cushendall, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.17.25.44.14.74.33.13.53.9 m/s5.46.15.7
Data source: Cushendall September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cushendall Compares to Other Months

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

September and January present contrasting weather characteristics. September enjoys milder temperatures with a minimum of 4°C and an average of 13°C, peaking at 20°C. The month also sees significant rainfall, with 81 mm falling over 17 days and a relatively high humidity of 88%. In contrast, January is much colder, with temperatures plunging to a minimum of -2°C, an average of 6°C, and a maximum of 13°C. Precipitation is slightly lower at 69 mm over 13 days, accompanied by a humidity level of 87%. For more specific details, you can check Cushendall weather in January.

In comparing September and February weather, we see notable differences in temperature and precipitation. September typically offers milder temperatures with a minimum of 4°C (39°F) and an average of 13°C (56°F), reaching a maximum of 20°C (69°F). In contrast, February tends to be much colder, featuring a minimum of -2°C (29°F) and an average of 6°C (43°F), with a peak temperature of only 13°C (55°F).

Precipitation is slightly higher in February, averaging 101 mm (4.0 in) over 16 rainy days, compared to September's 81 mm (3.2 in) over 17 days. Despite the increase in rainfall during February, humidity levels remain similar, with September at 88% and February at 86%. For a closer look at the weather specifics for February, you can check out Cushendall weather in February.

September and March exhibit distinct weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 20°C (69°F), with an average of 13°C (56°F). The month experiences about 81 mm (3.2 in) of precipitation over 17 days and high humidity at 88%. In contrast, March is cooler, with temperatures dropping to a minimum of -3°C (27°F) and peaking at 15°C (59°F), averaging 6°C (44°F). Precipitation remains similar at 82 mm (3.2 in) across 17 days, but humidity is slightly lower at 86%. For a detailed look at March weather, you can visit Cushendall weather in March.

When comparing the weather in September and April, September generally presents milder temperatures, with averages ranging from a minimum of 4°C to a maximum of 20°C, while April sees cooler conditions, with temperatures fluctuating between 0°C and 18°C. September is also wetter, receiving about 81 mm of precipitation over 17 days compared to April’s 44 mm over 11 days. Additionally, September tends to be slightly more humid at 88%, while April maintains a lower humidity level of 85%. For more details on the weather in April, visit Cushendall weather in April.

In comparing the weather of September to that of May, we observe notable differences. September boasts a slightly higher average temperature of 13°C (56°F) compared to May's 11°C (51°F), although both months share a maximum temperature peaking at 20°C (69°F). Precipitation levels are higher in September with 81 mm (3.2 inches) over 17 days, while May experiences less rain, totaling 67 mm (2.6 inches) across 13 days. Additionally, September's humidity is marginally higher at 88% compared to May's 82%. For a closer look at May weather specifics, you can visit Cushendall weather in May.

In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 20°C (69°F), with an average of 13°C (56°F), while in June, the temperatures are slightly warmer, with a minimum of 6°C (43°F) and a maximum of 23°C (74°F), maintaining the same average of 13°C (56°F). Both months experience significant rainfall, with September recording 81 mm (3.2 in) over 17 days and June slightly higher at 91 mm (3.6 in) over 16 days. Interestingly, September has a higher humidity level at 88%, compared to June's 84%. For those looking into the specifics of June weather, details can be explored further at Cushendall weather in June.

In comparing the weather of September and July, we see distinct differences in temperature and humidity levels. September experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 13°C (56°F), while July is warmer, with a minimum of 8°C (46°F) and an average of 15°C (59°F). The maximum temperatures also showcase this contrast, reaching 20°C (69°F) in September compared to July's maximum of 24°C (76°F). Precipitation is more pronounced in July, with 99 mm (3.9 in) over 15 days, compared to September's 81 mm (3.2 in) over 17 days, although humidity remains high in both months, at 88% for September and 86% for July. For a closer look at the July weather, you can visit Cushendall weather in July.

In comparing the weather of September and August, September tends to be cooler, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 20°C (69°F), averaging 13°C (56°F). In contrast, August typically has slightly warmer temperatures, with a minimum of 8°C (46°F), an average of 15°C (58°F), and a maximum of 21°C (71°F). Rainfall is higher in August, totaling 128 mm (5.0 in) over 19 days compared to September's 81 mm (3.2 in) over 17 days. Humidity levels are similar, with September at 88% and August at 86%. For a closer look at the weather specifics in August, you can refer to Cushendall weather in August.

September and October present a noticeable transition in weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to an average of 13°C (56°F) and a maximum of 20°C (69°F). The month sees a total precipitation of 81 mm (3.2 in) over 17 rainy days, coupled with a humidity level of 88%. In contrast, October experiences slightly cooler temperatures, with minimums dropping to 2°C (35°F), averaging 11°C (51°F), and peaking at 18°C (64°F). Rainfall increases to 106 mm (4.2 in) spread over 18 days, while humidity remains similar at 89%. For more details on October weather, check Cushendall weather in October.

September weather tends to be milder with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 20°C (69°F). The month also experiences a fair amount of precipitation, totaling 81 mm (3.2 in) over 17 days, accompanied by high humidity at 88%. In contrast, November ushers in cooler temperatures, with averages dipping to a minimum of 1°C (35°F) and a maximum of 14°C (58°F). Rainfall increases slightly to 103 mm (4.0 in) over 18 days, and humidity remains high at 90%. For more information on November weather conditions, you can visit Cushendall weather in November.

In September, the weather is relatively mild with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 20°C (69°F), making it pleasant for outdoor activities. With 81 mm (3.2 in) of precipitation over 17 days and an 88% humidity level, the month can feel quite damp. In contrast, December sees cooler temperatures, with an average ranging from -1°C (31°F) to 13°C (55°F). Precipitation increases slightly to 99 mm (3.9 in) over the same number of days, and humidity remains high at 86%. For a more detailed insight into what to expect from the weather in December, check out Cushendall weather in December.

Compare Cushendall's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cushendall

As September unfolds in Cushendall, the transition from summer to autumn brings milder temperatures and a notable increase in humidity. While the highs occasionally touch 20°C, the average is around a cooler 13°C, creating a briskness in the air that sets the stage for the changing season. Rainfall makes its presence felt, with precipitation occurring on 17 days throughout the month, resulting in a total of 81 mm. This shift to more unpredictable weather patterns distinguishes September from the preceding summer months, making it essential for visitors and residents alike to embrace the varied conditions. For a deeper dive into the region's climate and what to expect in the coming months, check out Cushendall Climate.