Last updated: March 17, 2025
In September, Clifden, Ireland, experiences a dynamic weather pattern characterized by a striking temperature range; residents and visitors can expect maximums reaching 24°C (75°F), average temperatures around 13°C (56°F), and occasional dips to a refreshing 4°C (40°F). The month is marked by considerable precipitation, with 112 mm (4.4 in) of rain falling over 20 days, contributing to the lush greenery that the region is famous for. Coupled with an 85% humidity level, this creates a uniquely moist atmosphere, perfect for those who appreciate the dramatic beauty of the Irish landscape in early autumn.
In September, Clifden, Ireland, experiences a delightful transition into early autumn, with temperatures showing a marked improvement from the preceding months. The average temperature hovers around 13°C (56°F), while daytime highs can reach a pleasant 24°C (75°F), offering plenty of opportunities to enjoy the stunning landscapes. Nights are cooler, with a minimum of 4°C (40°F), signaling the approach of winter. Compared to August, September presents slightly lower nighttime temperatures, though the overall climate remains mild and inviting. This month strikes a balance between warmth and coolness, making it an ideal time for outdoor adventures while still enjoying the lingering summer vibes.
September in Clifden, Ireland, continues the trend of variable precipitation that characterizes the region throughout the year. With 112 mm (4.4 in) of rain over 20 days, this month sits comfortably among the heavier periods of rainfall. It follows the wet and drizzly August, which recorded 151 mm (6.0 in), making September a notable yet slightly less soggy transition into autumn. The number of wet days remains significant, mirroring the patterns observed in January and February, hinting at the onset of the wetter months ahead. As the seasons shift, Clifden prepares for October's even greater deluge, expected to bring 163 mm (6.4 in), elevating the overall precipitation trend as winter approaches.
In September, Clifden, Ireland, experiences a humidity level of 85%, making it one of the more comfortable months compared to the summer highs. This slight decline reflects a consistent trend as the year progresses from the peak 87% in July and 86% in August. The humidity levels start tapering off as autumn approaches, marking a transition from the muggy summer months. Interestingly, September's humidity is comparable to that of the preceding April, which also recorded 81%, demonstrating how the coastal climate maintains a moderately humid atmosphere throughout most of the year. As the days grow shorter and cooler, the gradual drop in humidity paves the way for the crisp, fresh air characteristic of autumn in this picturesque Irish town.
In September, Clifden experiences a moderate UV Index of 5, signaling a need for mindful sun protection, especially during peak hours. This marks a shift from the high summer readings of 8 seen in July and June, providing a more leisurely pace for outdoor activities as the burn time extends to 30 minutes. As we transition into autumn, the UV Index begins to decrease, but September still holds onto favorable sunlight, reminiscent of late summer days. It's essential to stay informed about the UV levels, as they can influence plans for outdoor adventures. For more details on how UV exposure affects your time outdoors, visit Clifden UV Index.
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As the warmth of late summer fades into the gentle embrace of autumn, September in Clifden, Ireland, still holds its ground with an impressive 289 hours of sunshine. This month showcases a significant transition, where daylight begins to wane compared to the sun-drenched days of May, which boasts a peak of 402 hours. Following a steady decline throughout summer, where July and August each delivered over 385 hours, September offers a more moderate glow, indicative of nature preparing for the colder months ahead. Despite the diminishing daylight, the soft hues of early autumn create a picturesque backdrop, making it a lovely time to explore the rugged beauty of the West Irish coast before October ushers in even fewer sunny days with just 226 hours.
In Clifden, Ireland, September offers a glimpse of autumn's arrival, but with it comes a notable dip in sunny weather. With only a 16% chance of sunshine, this month follows a trend of relatively low probabilities for bright days, similar to other late summer months like July and August. Interestingly, while the spring months show a more promising outlook, with April peaking at 45%, the steady decline as summer wanes indicates that Clifden is shifting towards its wetter, more overcast season. Therefore, if you're planning a visit, don't forget to pack a reliable raincoat along with your sunglasses!
In Clifden, Ireland, the progression of daylight throughout the year reveals a captivating rhythm that resonates with the changing seasons. As the year begins, January brings a modest 8 hours of daylight, gradually increasing to 9 hours in February and flowering into a vibrant 11 hours by March. The days stretch further in April, basking in 14 hours of sunlight, peaking with the plentiful daylight of May and June, each boasting 15 and 16 hours, respectively. However, as summer reaches its zenith, the daylight begins to contract, with July and August holding onto 16 and 14 hours. By September, the days start to shorten more significantly, offering 12 hours of daylight, a gentle reminder of the approaching autumn. As the year winds down, October dips to 10 hours, followed by November and December, when daylight dwindles to a mere 8 and 7 hours. This annual cycle not only marks the beauty of nature's transition but also invites Clifden's residents and visitors to embrace the changing light with each passing month.
As September unfolds in Clifden, Ireland, the breeze offers a gentle respite with an average wind speed of 4.6 m/s (10 mph). This marks a notable shift from the gustier summer months, reflecting a transition into autumn. The winds have calmed significantly since July, where the average speed dropped to 3.6 m/s (8 mph), suggesting a fleeting lull before the season's more robust gusts return in October and November. With winds steadily increasing thereafter, September serves as a delicate bridge, inviting locals and visitors alike to savor the softer, sun-drenched days before the brisk air of fall takes hold.
The weather in Clifden 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 Clifden and find detailed weather information for every month.
In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 24°C (75°F), with an average temperature of 13°C (56°F). The month is characterized by high humidity levels of 85% and significant precipitation, totaling 112 mm (4.4 in) across approximately 20 days. In contrast, January presents a cooler climate, with temperatures fluctuating between -1°C (31°F) and 13°C (56°F), and an average of 7°C (45°F). While precipitation slightly decreases to 107 mm (4.2 in), it still occurs over 17 days, accompanied by a lower humidity of 79%. To delve deeper into January's weather specifics, you can check out Clifden weather in January.
When comparing the weather in September and February, a few notable differences emerge. September enjoys milder temperatures with an average of 13°C (56°F) and highs reaching up to 24°C (75°F), while February is significantly cooler, with an average of 7°C (45°F) and a maximum of only 14°C (57°F). Additionally, September experiences precipitation over 20 days, totaling 112 mm (4.4 in), whereas February sees a slight increase in rainfall, with 152 mm (6.0 in) spread across 21 days. Although September has a higher humidity level at 85%, February maintains a relatively humid atmosphere at 81%. For a closer look at the specifics of February weather, check out Clifden weather in February.
September and March present distinct weather patterns, each with its own unique charm. In September, temperatures range from a minimum of 4°C (40°F) to a comfortable average of 13°C (56°F), peaking at 24°C (75°F). The month is characterized by high humidity at 85% and a total precipitation of 112 mm (4.4 in) over about 20 days. In contrast, March brings cooler temperatures with a minimum of -4°C (25°F) and a lower average of 7°C (45°F), reaching a maximum of only 16°C (60°F). This month experiences slightly higher precipitation, totaling 117 mm (4.6 in) also over 20 days, but with a marginally lower humidity level of 80%. For more details about March weather, visit Clifden weather in March.
September weather is generally warmer than April, with average temperatures reaching around 13°C (56°F) compared to April's average of 9°C (48°F). September also experiences a broader temperature range, with maximums of 24°C (75°F) compared to April's maximum of 18°C (65°F). Additionally, September sees more precipitation, measuring 112 mm (4.4 in) over about 20 days, while April has only 65 mm (2.5 in) over 12 days. Despite September's wetter conditions, April maintains a slightly lower humidity of 81% compared to September's 85%. For a detailed look at April's climate specifics, you can check Clifden weather in April.
When comparing the weather in September to that of May, we see notable differences in temperature and precipitation. September enjoys a wider temperature range, with minimums around 4°C (40°F) and maximums reaching up to 24°C (75°F), averaging 13°C (56°F). In contrast, May is a bit cooler overall, with lows of 1°C (34°F) and highs around 22°C (72°F), averaging 11°C (52°F). Additionally, September experiences more rainfall, totaling 112 mm (4.4 inches) across 20 days, compared to May's 77 mm (3.0 inches) over 14 days. Humidity remains high in both months, with September at 85% and May slightly higher at 86%. For those interested in the specifics of May weather, you can check the details here: Clifden weather in May.
When comparing the weather in September and June, both months have similar average temperatures, hovering around 13°C (56°F). However, September tends to experience a wider range, with maximum temperatures reaching up to 24°C (75°F), while June is slightly warmer at a maximum of 26°C (79°F). Precipitation levels in September are higher, with 112 mm (4.4 in) over 20 days, compared to June's 91 mm (3.6 in) across 17 days. The humidity remains consistently high at 85% in both months, contributing to a similar feel in air moisture. For more details, you can check Clifden weather in June.
In comparing the weather of September to that of July, September tends to be cooler, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (75°F), compared to July’s temperatures, which range from a minimum of 8°C (47°F) to a maximum of 27°C (80°F). Additionally, September experiences slightly more rainfall, receiving 112 mm (4.4 in) over 20 days, while July has 105 mm (4.1 in) of precipitation over 18 days. Humidity levels are comparable, with September at 85% and July slightly higher at 87%. For more specific information on July weather, you can check out Clifden weather in July.
In comparing the weather of September to that of August, September generally experiences cooler temperatures, with a minimum of 4°C (40°F) compared to August's 8°C (46°F). The average temperature in September is 13°C (56°F), slightly lower than August's average of 15°C (59°F), and while September sees a maximum of 24°C (75°F), August peaks at 22°C (72°F). Precipitation is also notably different, with September receiving 112 mm (4.4 in) over 20 days, compared to August's 151 mm (6.0 in) across 22 days. Humidity remains fairly consistent, with September at 85% and August at 86%. For more detailed information, you can explore Clifden weather in August.
In September, the weather features a range of temperatures from a minimum of 4°C (40°F) to a maximum of 24°C (75°F), with an average temperature around 13°C (56°F). The month experiences about 112 mm (4.4 in) of precipitation across 20 days, accompanied by a high humidity level of 85%. In contrast, October sees a slight decrease in temperatures, with minimums dropping to 2°C (36°F) and maximums peaking at 18°C (65°F), resulting in an average of 11°C (52°F). Rainfall increases to 163 mm (6.4 in) over 22 days, while humidity levels remain relatively stable at 82%. This shift in weather makes October notably wetter and cooler compared to September. For more detailed insights into October weather, check out Clifden weather in October.
In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 24°C (75°F), with an average of 13°C (56°F), creating a relatively mild atmosphere. The month experiences approximately 112 mm (4.4 in) of precipitation over 20 days and maintains high humidity at 85%. In contrast, November is cooler, with temperatures dipping to a minimum of 1°C (33°F) and a maximum of 14°C (58°F), averaging around 9°C (48°F). This month also sees increased precipitation, totaling 151 mm (6.0 in) over the same number of rainy days (20), but with slightly lower humidity at 80%. For more detailed information, you can visit Clifden weather in November.
In September, temperatures range from a cool 4°C (40°F) at night to a pleasant 24°C (75°F) during the day, with an average of 13°C (56°F). This month sees a significant amount of rainfall, with 112 mm (4.4 in) spread over 20 days, making it relatively humid at 85%. In contrast, December brings a notable drop in temperatures, with lows reaching 0°C (32°F) and highs peaking at 13°C (55°F), resulting in an average of 8°C (46°F). The month is wetter, with precipitation increasing to 164 mm (6.4 in) over 22 days, and a slightly lower humidity level of 79%. For more details about the weather conditions in December, you can check Clifden weather in December.
As autumn begins to unfurl in Clifden, September introduces a cooler, more variable climate that sets it apart from the summer months. With average temperatures dipping to a brisk 13°C (56°F) and a notable increase in humidity at 85%, visitors will experience a refreshing shift in the weather. While days remain fairly pleasant, with maximums reaching 24°C (75°F), the frequent rainfall—over 112 mm across 20 days—serves as a reminder that the season is changing. This combination of cooler temperatures and increased precipitation makes September a unique time to explore Clifden's stunning scenery, perfect for those seeking a tranquil getaway. For detailed insights on year-round weather patterns, check out Clifden Climate.