Last updated: March 17, 2025
In September, Ballycastle, United Kingdom experiences a blend of mild temperatures and significant rainfall. The average temperature hovers around 13°C (56°F), with highs reaching up to 17°C (64°F) and lows dropping to 9°C (49°F). This transitional month sees an average precipitation of 112 mm (4.4 in) spread over 19 days, contributing to a notable humidity level of 88%. Visitors can expect a refreshing yet damp atmosphere, ideal for enjoying the lush landscapes and coastal scenery. Whether you're strolling along the beach or exploring local attractions, September's weather offers a unique backdrop for your Ballycastle adventure.
In September, Ballycastle, United Kingdom, experiences a gentle transition from summer to autumn, with temperatures averaging 13°C (56°F). The month begins with a comfortable minimum of 9°C (49°F) and peaks at a pleasant 17°C (64°F). This slight cooling trend from the balmy summer months is accompanied by increasingly crisp air, making it an inviting time for outdoor activities. September's temperatures reveal a gradual decline from the highs of August, providing a refreshing shift perfect for enjoying the scenic coastline and vibrant fall foliage. As the days grow shorter, Ballycastle’s mild September serves as a beautiful prelude to the cooler months ahead.
September in Ballycastle, United Kingdom, continues the trend of relatively high precipitation, recording 112 mm (4.4 in) over the month. With 19 rainy days, it aligns closely with the wettest months of summer, particularly August, which saw 132 mm (5.2 in). As autumn sets in, this increase in rainfall signals a shift from the drier spring and early summer months, where rainfall was notably lower, such as in April and May. The pattern suggests that as the year progresses towards winter, Ballycastle can expect even higher precipitation levels, with October's figures anticipated to rise significantly. Overall, September serves as a transitional month, bridging the lush greens of summer with the expectant gloom of the upcoming fall and winter.
As September rolls in, Ballycastle, United Kingdom, experiences a noticeable increase in humidity, rising to 88%—one of the highest levels of the year. This trend marks a departure from the more stable humidity levels of the summer months, which hover around 86% in both July and August. The peak in September suggests the transition into autumn, as the humidity continues its upward trajectory, culminating in the chillier months ahead. Following September, October and November see even higher humidity levels of 89% and 90%, respectively, hinting at the atmospheric changes that accompany the shifting seasons.
As summer transitions into autumn, September in Ballycastle, United Kingdom, sees a UV Index of 5, classifying it in the moderate exposure category. This is a slight decline from the peak 8 observed during the height of summer in July. As the days grow shorter and the sun's intensity diminishes, residents and visitors should still be mindful, as the burn time remains at 30 minutes. With temperatures cooling and the vibrant landscapes beginning to change, it's a wonderful time to enjoy the town's natural beauty while taking necessary sun precautions. For more detailed insights on sun safety, check out Ballycastle UV Index.
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As summer transitions to autumn, September in Ballycastle offers a delightful blend of warm days and increasing cloud cover. With 289 hours of sunshine, it's a vibrant month that retains some of the year's brightest moments, although it marks a noticeable decline from the sun-kissed heights of July, which recorded 410 hours. This gradual dimming trend continues as the days shorten, but the lingering warmth invites locals and visitors alike to revel in the beauty of early autumn. The month sets the stage for October's cozy charm, where sunlight gives way to the rich tapestries of fall. Embrace September's glory as it shines one last time before the darker months approach.
In Ballycastle, United Kingdom, September brings a moderate chance of sunny weather, with approximately 23% of days likely to feature sunshine. This follows the summer months, where sunshine chances peak in April at 46%, only to dwindle as autumn approaches. While September's sun potential is slightly higher than the later months of October and November, it reflects a general trend of decreasing sunshine as the year progresses. Comparatively, the month shows resilience against the gloom of winter, maintaining a relatively stable sun frequency similar to August and July. As you plan your early autumn outings, you might still catch a few golden rays, but don't forget your umbrella just in case!
As September rolls into Ballycastle, daylight begins to wane, offering around 12 hours of sunshine. This marks a gentle transition from the glorious summer months, where June reaches its peak with 17 hours of daylight. Throughout spring, daylight steadily increases, from a mere 7 hours in January to a more vibrant 16 hours in May. However, as autumn unfolds, September's 12 hours stand as a reminder of the changing seasons, preparing residents and visitors alike for the shorter days that follow in October and November. The subtle ebb and flow of daylight captures the natural rhythm of the year, showcasing the charm of Ballycastle as it shifts from the long days of summer to the cozy embrace of fall.
As summer transitions into autumn, September in Ballycastle experiences a gentle shift in the wind, with an average speed of 5.5 m/s (12 mph). This marks a modest increase from the calmest summer months of July and August, which saw winds dip to their lightest at 4.0 m/s (9 mph) and 4.7 m/s (10 mph), respectively. The trend indicates a gradual resurgence in breeziness as the year progresses; after September, wind speeds rise again in October, reaching 7.9 m/s (18 mph). Overall, September serves as a bridge between the tranquil warmth of summer and the crisp, invigorating winds of fall, making it an ideal time to embrace the fresh air and stunning coastal views of Ballycastle.
The weather in Ballycastle 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 Ballycastle and find detailed weather information for every month.
In September, the weather is generally milder, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 17°C (64°F), accompanied by significant rainfall of 112 mm (4.4 in) over 19 days and high humidity at 88%. In contrast, January brings colder temperatures, with an average ranging from 2°C (36°F) to 13°C (56°F), slightly more precipitation at 121 mm (4.7 in) but over fewer rainy days (17). The humidity remains similar in January, hovering around 87%. For more details on January weather conditions, you can visit Ballycastle weather in January.
In September, the weather tends to be milder, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 17°C (64°F), along with a relatively high humidity of 88%. This month receives 112 mm (4.4 in) of precipitation over 19 days, making it one of the wetter times of the year.
In contrast, February sees cooler temperatures, with an average of 7°C (44°F) and maximums reaching only 12°C (54°F). Precipitation increases slightly to 138 mm (5.4 in) over 18 days, while humidity remains similar at 86%. For a more detailed look at February weather, check out Ballycastle weather in February.
In comparing the weather of September and March, September offers milder temperatures ranging from a minimum of 9°C (49°F) to a maximum of 17°C (64°F) with an average of 13°C (56°F). The month experiences considerable precipitation, averaging 112 mm (4.4 in) over 19 days, accompanied by high humidity levels at 88%. In contrast, March presents cooler temperatures, with minimums dipping to -1°C (31°F) and a maximum of 12°C (54°F), averaging around 7°C (44°F). Although March has slightly less precipitation at 106 mm (4.2 in) over 17 days, the humidity remains relatively close at 86%. For a more detailed look at March weather patterns, you can visit Ballycastle weather in March.
When comparing the weather in September to that of April, it's clear that September tends to be warmer and more humid. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 17°C (64°F), with an average of 13°C (56°F). The month experiences more rainfall as well, with 112 mm (4.4 in) of precipitation spread over 19 days, resulting in a humidity level of 88%. In contrast, April boasts cooler temperatures, with a minimum of 2°C (37°F) and a maximum of 13°C (55°F), averaging at 8°C (46°F). Precipitation is significantly reduced to 47 mm (1.9 in) over just 10 days, leading to a slightly lower humidity of 85%. For more details on April weather, you can visit Ballycastle weather in April.
In comparing the weather of September and May, September tends to be slightly warmer, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 17°C (64°F), while May's temperatures range from 5°C (41°F) to 15°C (60°F). Additionally, September experiences a higher level of precipitation, averaging 112 mm (4.4 in) over 19 days compared to May's 69 mm (2.7 in) over 11 days. Humidity is also higher in September at 88%, whereas May has a relatively lower humidity level of 82%. For a detailed look at May weather, you can refer to Ballycastle weather in May.
When comparing the weather in September to that of June, a few notable differences emerge. September experiences slightly warmer temperatures, with an average of 13°C (56°F) compared to June's 12°C (53°F). Additionally, September tends to be wetter, with 112 mm (4.4 in) of precipitation over 19 days, while June sees 98 mm (3.8 in) over 16 days. Humidity levels are also higher in September at 88%, compared to 84% in June. For a more detailed look at June's weather patterns, you can check Ballycastle weather in June.
When comparing the weather in September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 17°C (64°F). In contrast, July features more moderate temperatures, with a minimum of 11°C (52°F) and a maximum of 19°C (66°F). Both months experience similar levels of precipitation, with September receiving 112 mm (4.4 in) over 19 days and July seeing 105 mm (4.1 in) over 16 days. Humidity levels are also comparable, at 88% for September and 86% for July. For more details on July's weather, check out Ballycastle weather in July.
September experiences slightly cooler temperatures compared to August, with a minimum of 9°C (49°F) and an average of 13°C (56°F) compared to August's minimum of 10°C (51°F) and average of 14°C (57°F). While both months see similar maximum temperatures at 17°C (64°F) for September and 18°C (64°F) for August, September has a higher level of precipitation at 112 mm (4.4 in) over 19 days, compared to 132 mm (5.2 in) in August, also over 19 days. Humidity levels are slightly higher in September at 88%, compared to 86% in August, indicating a trend towards more damp conditions as summer gives way to autumn. For those interested in a more detailed look at the weather in August, you can explore Ballycastle weather in August.
September and October present a transition in weather conditions, with October generally being cooler and wetter. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 17°C (64°F), with an average of 13°C (56°F). The month sees about 112 mm (4.4 in) of precipitation over 19 days, coupled with a high humidity level of 88%. In contrast, October experiences a slight drop in temperatures, with minimums of 6°C (43°F) and maximums of 16°C (62°F), averaging 12°C (53°F). The rainfall increases significantly to 160 mm (6.3 in) over 24 days, maintaining a similar humidity level of 89%. For a more detailed look at the weather specifics during this time, check out Ballycastle weather in October.
September and November present distinctly different weather conditions. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 17°C (64°F), with an average of 13°C (56°F). The month sees considerable rainfall, totaling 112 mm (4.4 in) over about 19 days, and humidity levels are quite high at 88%. In contrast, November experiences cooler temperatures, dropping to a minimum of 4°C (40°F) and peaking at 14°C (58°F), with an average of 10°C (49°F). Precipitation increases significantly to 167 mm (6.6 in) across 23 days, and humidity rises slightly to 90%. This shift highlights November as a wetter and chillier month compared to the relatively milder September. For more details, check out Ballycastle weather in November.
Comparing the weather in September and December reveals distinct seasonal shifts. In September, temperatures range from a mild 9°C (49°F) at night to a maximum of 17°C (64°F) during the day, with average conditions around 13°C (56°F). The month sees 112 mm (4.4 in) of precipitation over 19 days, paired with relatively high humidity at 88%.
In contrast, December offers cooler temperatures, with a minimum of 2°C (36°F) and a maximum of only 12°C (54°F), averaging 8°C (47°F). Precipitation increases to 166 mm (6.5 in) over 23 days, and humidity remains slightly lower at 86%. For more details on the specific weather patterns, you can visit Ballycastle weather in December.
As September rolls into Ballycastle, the weather begins to shift, offering a blend of mild temperatures and increased precipitation compared to the summer months. With average highs around 13°C and a significant 88% humidity, this transitional month brings a refreshing chill that makes outdoor activities more invigorating. Expect more rainy days, with about 19 soaking the landscape, nurturing the lush greenery that the area is known for. While summer's warmth fades, September invites visitors to experience the beauty of Ballycastle in its own unique way. For more detailed insights into the area's weather patterns, be sure to check out Ballycastle Climate.