Last updated: March 17, 2025
Bandon, Ireland, in September offers a mild climate characterized by a maximum temperature of 22°C (72°F) and an average of 14°C (57°F). As the month progresses, temperatures can drop to a minimum of 5°C (41°F), providing a refreshing ambiance. Visitors can expect 79 mm (3.1 in) of precipitation over approximately 12 days, contributing to the region's lush green landscapes. With humidity levels at 85%, the air is often filled with a vibrant yet crisp character, making it an ideal time for exploration and enjoying the beauty of this charming Irish town.
In Bandon, Ireland, September marks a notable transition toward autumn, characterized by mild temperatures that provide a pleasant reprieve from the summer heat. With minimums around 5°C (41°F) and averages peaking at 14°C (57°F), the month enjoys comfortable weather for outdoor activities. The maximum temperature can reach a warm 22°C (72°F), making it one of the more inviting times of the year. As summer gradually wanes, the progressive drop in temperatures from the peak averages of July and August is evident, yet September still retains a hint of warmth, making it an ideal month for enjoying the scenic beauty of this charming Irish town.
In September, Bandon experiences a moderate precipitation amount of 79 mm (3.1 in), reflecting a typical transition into autumn. This month sees rain spread across approximately 12 days, contributing to the lush scenery that defines the region. Compared to the previous summer months, where rainfall was relatively lower, September marks a slight increase in precipitation, up from 90 mm in August. As the landscape shifts from the dry warmth of summer into the cooler embrace of fall, this uptick in rainfall helps nurture the vibrant greenery that Ireland is famed for, creating a stunning backdrop for both locals and visitors.
In Bandon, Ireland, September marks a notable point in the year as humidity levels rise to 85%, aligning with the trends observed during the summer months. Throughout the year, humidity remains relatively stable, oscillating between 83% and 86%. While January and December showcase the lowest levels at 83%, the late summer and early autumn months consistently hover around the 84-85% range, creating a humid atmosphere that characterizes Bandon's climate. This gradual elevation in September sets the stage for a wetter transition into autumn, as the town experiences its lush green landscapes fueled by the persistent moisture in the air.
As autumn begins to settle in Bandon, Ireland, the UV Index for September indicates a moderate level of sun exposure, resting at 5. This suggests that while protection is still necessary, the risk of harm from unprotected sun exposure remains manageable, with an average burn time of 30 minutes. Compared to the high readings of summer, where the index soared to 8, September marks a noticeable decline in UV intensity, yet it's essential to remain vigilant as the sun's rays can still be potent. As daylight hours shorten, this transitional month serves as a reminder to enjoy the outdoors while being mindful of sun safety. For more detailed insights, visit Bandon UV Index.
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September in Bandon, Ireland, basks in 302 hours of sunshine, marking a delightful transition into autumn. This month showcases a marked decrease from the sun-drenched summer peak of 405 hours in July, yet it still holds onto the warmth of the season. As the days grow shorter, September maintains a generous share of daylight, significantly higher than the winter months that follow, such as January's mere 90 hours and December's 102 hours. This gradual decline highlights the shifting seasons, where Bandon’s vibrant landscapes continue to flourish under the rich light, making it a picturesque time to explore the beauty of the region before the chill sets in.
As September rolls into Bandon, Ireland, the likelihood of sunny weather takes a noticeable dip, with only 21% chance of sun gracing the skies. This trend marks one of the lower probabilities when compared to the spring months, particularly April, which boasts a more promising 46% chance of sunshine. Following the generally brighter summer months, August at 30% and July at 33%, September hints at the transition into autumn, where cloud cover tends to reign more frequently. Despite this, the charm of Bandon in early fall can still be appreciated, as the occasional sunny day remains a delightful surprise amidst the shifting weather patterns.
As September arrives in Bandon, Ireland, the summer days begin to wane, ushering in a shift in daylight duration. After basking in 16 hours of daylight in June and July, the sun gradually retreats, providing a warm yet shorter glow of 12 hours by September. This transition marks a notable decrease from the vibrant 15 hours that May had to offer, hinting at the impending autumn. While the daylight dips, it still retains a certain charm, inviting locals and visitors alike to enjoy the lingering early evening light and the crispness of the changing season. As the days continue to shorten into October's 10 hours, the cycle of nature reminds us of the beauty found in each passing month, even as the sun sets a little earlier each day.
In September, the average wind speed in Bandon, Ireland, drops slightly to 3.9 m/s (9 mph), continuing a trend of gentler breezes that begin in the height of summer. Following the peak wind period in February, when speeds reach 6.9 m/s (15 mph), there’s a gradual decline through the spring and summer months, with July recording the calmest winds at 3.5 m/s (8 mph). As autumn approaches, winds pick up slightly again in October, suggesting a shift in the seasonal patterns. Overall, September's winds are moderate, encapsulating the tranquil transition from summer's warmth to the upcoming briskness of fall, making it an ideal time for enjoying Bandon's scenic coastal views.
The weather in Bandon 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 Bandon and find detailed weather information for every month.
In September, the weather showcases a mild climate with average temperatures ranging from a cool 5°C (41°F) to a pleasant 22°C (72°F). The month experiences considerable precipitation, totaling 79 mm (3.1 in) over approximately 12 days, with high humidity levels around 85%. In contrast, January brings colder conditions, with temperatures dropping to a minimum of -2°C (30°F) and reaching a maximum of 13°C (56°F) on average. Although precipitation is slightly lower at 72 mm (2.8 in) over 11 days, the humidity remains similar at 83%. For more insights into January weather specifics, you can check Bandon weather in January.
In September, the weather tends to be milder, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 22°C (72°F), averaging around 14°C (57°F). The month sees a precipitation of 79 mm (3.1 in) over approximately 12 days, while maintaining a high humidity level of 85%. In contrast, February is notably cooler, with temperatures dipping to a minimum of -1°C (31°F) and peaking at 13°C (56°F), averaging just 7°C (45°F). This month experiences more rainfall, totaling 125 mm (4.9 in) across about 18 days, all while also retaining a humidity level of 85%. For more detailed information, you can check Bandon weather in February.
September and March exhibit notably different weather patterns. In September, temperatures range from a mild 5°C (41°F) to a comfortable maximum of 22°C (72°F), with an average of 14°C (57°F). The month sees about 79 mm (3.1 in) of precipitation over approximately 12 days, coupled with high humidity at 85%. In contrast, March experiences cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 15°C (58°F), averaging just 7°C (45°F). This month tends to be wetter, with 96 mm (3.8 in) of rainfall spread over 17 days, and humidity remains relatively constant at 84%. For more details on March weather, visit Bandon weather in March.
When comparing the weather in September and April, there are notable differences in temperature and overall warmth. September generally offers milder conditions, with minimum temperatures around 5°C (41°F) and an average of 14°C (57°F), reaching a maximum of 22°C (72°F). In contrast, April tends to be cooler, featuring minimum temperatures of 0°C (33°F) and an average of 9°C (48°F), peaking at 16°C (62°F). Both months experience similar precipitation levels, with September receiving 79 mm over 12 days and April slightly less at 78 mm over 11 days. Humidity levels are fairly comparable as well, with September at 85% and April at 84%. For more details, you can refer to Bandon weather in April.
When comparing the weather in September and May, both months exhibit relatively mild temperatures, but September tends to be slightly warmer. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 22°C (72°F), with an average of 14°C (57°F). In contrast, May has a slightly cooler range, with temperatures from a minimum of 3°C (37°F) to a maximum of 21°C (70°F), and an average of 11°C (52°F). Both months experience similar levels of precipitation, with September receiving 79 mm (3.1 in) over 12 days and May slightly higher at 80 mm (3.2 in) over 13 days. Humidity levels are comparable as well, with September at 85% and May at 84%. For more specific insights into May's climate, you can visit Bandon weather in May.
When comparing the weather in September and June, one can observe some interesting similarities and differences. Both months have a comparable average temperature of 14°C (57°F), but September tends to have slightly cooler minimum and maximum temperatures, ranging from 5°C (41°F) to 22°C (72°F), compared to June's 6°C (42°F) to 24°C (75°F). Precipitation levels are more pronounced in September, with 79 mm (3.1 in) over 12 days, whereas June sees a bit less rainfall at 66 mm (2.6 in) with the same number of rainy days. Both months also share high humidity levels at 85%, contributing to the overall dampness typical of this coastal region. For more specific details about the weather in June, you can visit Bandon weather in June.
In comparing the weather between September and July, we see notable differences. September typically presents a cooler climate, with minimum temperatures dropping to 5°C (41°F) compared to July's milder minimum of 8°C (47°F). The average temperature in September sits at 14°C (57°F), while July enjoys a slightly warmer average of 16°C (61°F). July also boasts a higher maximum temperature of 24°C (76°F), compared to September's peak of 22°C (72°F). Additionally, September experiences more precipitation with 79 mm (3.1 in) over 12 days, as opposed to July's 64 mm (2.5 in) over 11 days. Both months share the same humidity level of 85%, making the air feel equally moist. For a closer look at what to expect during July, check out this link: Bandon weather in July.
In comparing the weather of September and August, we observe a slight drop in temperatures, with September featuring a minimum of 5°C (41°F) compared to August's 8°C (46°F). The average temperatures are also modestly lower in September at 14°C (57°F), while August maintains an average of 15°C (60°F). Although September sees a maximum temperature of 22°C (72°F), it is nearly equivalent to August's maximum of 23°C (73°F). Rainfall is more frequent in September, with 79 mm (3.1 in) of precipitation occurring over 12 days, in contrast to August’s 90 mm (3.5 in) spread over 14 days. Humidity levels are similar, with September at 85% and August at 84%. For more detailed information on the weather during August, you can visit Bandon weather in August.
September typically offers a milder climate compared to October, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 22°C (72°F). In contrast, temperatures in October drop slightly, with minimums around 2°C (36°F) and maximums peaking at 17°C (63°F). Additionally, October experiences more frequent rainfall, accumulating about 118 mm (4.7 in) over 16 days, compared to September's 79 mm (3.1 in) over 12 days. The humidity remains similar between the two months, with October being marginally higher at 86%. For more detailed insights, check Bandon weather in October.
September and November exhibit distinct differences in weather patterns. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 22°C (72°F), with an average of 14°C (57°F). The month sees about 79 mm (3.1 in) of precipitation over approximately 12 days, accompanied by a high humidity level of 85%. In contrast, November is noticeably cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 15°C (59°F) and an average of 9°C (48°F). Rainfall increases to 102 mm (4.0 in) over 14 days, while humidity remains slightly lower at 84%. For more details, check out Bandon weather in November.
September generally offers milder temperatures compared to December, with an average of 14°C (57°F) and highs reaching 22°C (72°F). In contrast, December experiences cooler conditions, with an average temperature of 8°C (46°F) and maximums only reaching 14°C (57°F). Precipitation levels also rise during December, totaling 125 mm (4.9 in) across 18 days, compared to September's 79 mm (3.1 in) over 12 days. Despite the increase in rainfall, the humidity remains relatively stable, with September at 85% and December at 83%. For more details on December's weather, visit Bandon weather in December.
As September rolls in, Bandon experiences a distinctive shift in weather, characterized by more moderate temperatures and an increase in humidity compared to the summer months. With an average temperature around 14°C (57°F) and occasional highs peaking at 22°C (72°F), it’s a refreshing transition from the summer heat. However, the increase in precipitation—as indicated by 79 mm (3.1 in) over approximately 12 days—brings a notable change to the landscape, fostering vibrant greenery. The 85% humidity further adds to the crispness in the air, making it a unique time to explore the natural beauty of the region. For more insights into the climate dynamics of Bandon, check out Bandon Climate.