Last updated: March 17, 2025
September in Ashbourne, Ireland presents a vibrant yet unpredictable climate, with average temperatures hovering around 14°C (57°F). Daily highs can reach a pleasant 23°C (74°F), offering a glimpse of late summer warmth, while evenings can cool down to a chilly 2°C (37°F). This month is characterized by moderate rainfall, accumulating to about 67 mm (2.6 in) over 13 days, leading to a humidity level of 86% that provides a fresh, crisp atmosphere. Visitors can expect a mix of sunny days and occasional showers, making it a perfect time to experience the lush landscapes of Ireland.
As September rolls in, Ashbourne, Ireland experiences a delightful transition into early autumn. With temperatures ranging from a minimum of 2°C (37°F) to a comfortable average of 14°C (57°F), the chill of summer begins to soften, making way for crisp, fresh air. The maximum temperature can reach up to 23°C (74°F), presenting a pleasant opportunity for outdoor activities before the colder months set in. This month marks a notable dip compared to the warmth of July and August, but it still retains a moderate charm that invites locals and visitors alike to enjoy the natural beauty that thrives during this time of year. Overall, September in Ashbourne offers a balanced blend of cool mornings and mild afternoons, perfect for soaking in the stunning autumnal landscapes.
September in Ashbourne, Ireland, typically sees an average precipitation of 67 mm (2.6 in), spread over 13 days of rain. Following the wettest month of August, which recorded a substantial 94 mm, September maintains a moderate level of moisture, representing a natural transition as the summer recedes into autumn. This month's rainfall slightly decreases compared to August but remains significant, contributing to the lush greenery that Ireland is renowned for. As autumn approaches, the frequency of rain marks a trend common in this season, with potential for more precipitation in the months ahead, particularly as October averages 75 mm. Overall, September's weather provides a hint of the shifting seasons while still offering pleasant, cool days.
In September, Ashbourne, Ireland experiences a notable peak in humidity, reaching 86%—matching the levels seen in the height of summer. This high humidity reflects a consistent trend throughout the year, particularly in the late spring and summer months, where levels hover between 83% and 86%. As the seasons begin to shift towards autumn, humidity remains relatively stable, with October closely following at 87%. This continuity in moisture levels underscores the lush, green landscape characteristic of the region, making September a particularly vibrant time in Ashbourne.
As September arrives in Ashbourne, Ireland, the UV Index settles at a moderate level of 5, indicating that while sun exposure is generally safe, precautions are advisable. This month marks a transition from the high and very high levels of summer, where UV readings peaked at 8 in July and June, necessitating limited exposure times of just 15 minutes. In contrast, the burn time increases to 30 minutes in September, enabling more enjoyable outdoor activities as the cooler days set in. This gradual shift reflects the ebbing strength of the sun, making September a great time to savor the outdoors while still staying mindful of UV exposure. For more detailed insights on UV levels throughout the year, visit Ashbourne UV Index.
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In September, Ashbourne basks in a pleasant 288 hours of sunshine, marking a gentle transition from the vibrant summer months. Following the peak of August, which boasts 329 hours of sunlight, September’s radiance dips as autumn approaches. This gradual decrease hints at the waning summer, yet still invites residents and visitors alike to enjoy the mild weather. As days shorten and cooler breezes begin to sweep the landscape, September shines not only with extended daylight but also with the beauty of changing leaves, making it a captivating time to embrace the shifting seasons in this charming Irish town.
When it comes to sunny weather in Ashbourne, Ireland, September offers a rather modest 20% chance of sunshine. This figure aligns closely with the preceding summer months, which themselves have exhibited lower-than-expected sunshine probabilities, peaking in April at 41% and descending gradually through the year. As autumn approaches, the likelihood of sunny days tends to dwindle further, with only October and November showing slightly lower percentages. Such trends indicate that while September can provide glimpses of sun, it remains firmly entrenched in a pattern of changeable weather, reminding us that the idyllic days of summer are giving way to the chill of autumn.
As summer gracefully transitions into autumn, September in Ashbourne, Ireland, witnesses a notable shift in daylight duration. With 12 hours of daylight, the month strikes a balance as the sun begins to set earlier, marking a shift from the longer days of summer, which peaked at 16 hours in June and July. This gradual decline continues into October, where daylight dips to 10 hours, foreshadowing the shorter, darker days of winter. The September sun, still lingering with a generous amount of light, offers a perfect opportunity to bask in the last warmth of the season before the days wane, serving as a bridge between the vibrancy of summer and the quietude of autumn.
As September settles upon Ashbourne, Ireland, the average wind speed remains a gentle 3.3 m/s (7 mph), tying it with the breezy summer month of August. This transitional period showcases a slight dip in wind intensity compared to the busier early summer months, with July recording the calmest conditions. However, as autumn casts its spell, we begin to see an upward trend in wind speeds, particularly with the approach of October and November, which both average 4.3 m/s (10 mph). This gradual increase foreshadows the blustery months ahead, offering a serene yet invigorating backdrop to the picturesque landscape, where the whispers of September winds carry the promise of change in the air.
The weather in Ashbourne 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 Ashbourne and find detailed weather information for every month.
In September, temperatures in Ashbourne range from a chilly 2°C (37°F) at night to a pleasant 23°C (74°F) during the day, with an average of 14°C (57°F). The weather is relatively humid at 86%, and the region experiences about 67 mm (2.6 in) of rainfall over approximately 13 days.
In contrast, January brings much colder conditions, with temperatures dipping as low as -5°C (24°F) at night and peaking at 14°C (58°F) during the day, resulting in an average of just 6°C (43°F). The precipitation is slightly lower at 50 mm (2.0 in) spread over about 10 days, while humidity remains similar at 85%. For more detailed information, check out Ashbourne weather in January.
In comparing the weather of September and February, September showcases a more temperate climate with average temperatures ranging from 2°C (37°F) to a warm 23°C (74°F), while February experiences cooler temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 16°C (61°F). Despite both months having a relatively high humidity of 86%, February tends to be slightly wetter, receiving 74 mm (2.9 in) of precipitation over 14 days, compared to September's 67 mm (2.6 in) over 13 days. For a detailed look at the conditions in February, check out Ashbourne weather in February.
When comparing the weather in September and March, notable differences emerge. September generally offers milder temperatures, ranging from a minimum of 2°C (37°F) to a maximum of 23°C (74°F), with an average of 14°C (57°F). In contrast, March is cooler, featuring temperatures that drop as low as -4°C (24°F) and peak at 17°C (63°F), with an average of 7°C (45°F). Although September experiences a similar humidity level of 86%, it has slightly less precipitation at 67 mm (2.6 in) over 13 days, compared to March's 74 mm (2.9 in) spread over 16 days. For more detailed insights, you can check Ashbourne weather in March.
When comparing the weather in September and April, we see notable differences in temperature and precipitation. September typically enjoys milder temperatures, with averages around 14°C (57°F) and maximums reaching 23°C (74°F), while April has cooler averages of 9°C (48°F) and temperatures that can drop to -2°C (28°F). Precipitation is slightly higher in September, with about 67 mm (2.6 in) over 13 days, compared to April's 45 mm (1.8 in) over 10 days. Both months feature high humidity levels, with September at 86% and April at 85%. For a closer look at the specific conditions in April, you can check out Ashbourne weather in April.
When comparing the weather in September and May, it's evident that both months have their unique characteristics. September generally boasts slightly warmer temperatures, with an average of 14°C (57°F) compared to May's average of 12°C (53°F). Notably, the maximum temperature in September reaches 23°C (74°F), which is only marginally lower than May's high of 24°C (75°F). Precipitation levels are fairly similar, with September receiving 67 mm (2.6 in) over 13 days, while May has 64 mm (2.5 in) over 12 days. Humidity is slightly higher in September at 86%, compared to May’s 83%. For a detailed look at weather specifics in May, you can check Ashbourne weather in May.
In comparing the weather of September and June, we see notable differences in temperature and precipitation patterns. September typically experiences a minimum temperature of 2°C (37°F), with an average of 14°C (57°F) and a maximum of 23°C (74°F), while June starts off warmer with a minimum of 6°C (42°F), an average of 15°C (59°F), and a high of 27°C (81°F). Both months see similar levels of precipitation, with September receiving 67 mm (2.6 in) and June slightly higher at 70 mm (2.8 in), both spread over approximately 13 days. Interestingly, humidity levels remain comparable, with September at 86% and June at 85%. For more detailed insights into June's weather, you can check Ashbourne weather in June.
September and July exhibit notable differences in weather patterns, despite both having similar humidity levels at 86%. July typically enjoys warmer temperatures, with minimums around 7°C (45°F) and maximums reaching 28°C (83°F), making it the warmer month overall. The average temperature in July is around 16°C (62°F), whereas September's averages drop to a cooler 14°C (57°F), featuring minimums of 2°C (37°F) and maximums of 23°C (74°F). Although both months receive comparable precipitation, with September totaling 67 mm (2.6 in) over 13 days and July slightly higher at 71 mm (2.8 in) over 12 days, July typically feels warmer and drier. For more detailed insights, you can check the Ashbourne weather in July.
In comparing the weather between September and August, September exhibits a notable drop in temperatures, with minimums reaching as low as 2°C (37°F) compared to August's milder minimum of 7°C (45°F). The average temperature in September is slightly lower at 14°C (57°F), while August boasts an average of 16°C (60°F). When it comes to maximum temperatures, September peaks at 23°C (74°F), which is similar to August's maximum of 24°C (75°F). However, September brings more precipitation, totaling 67 mm (2.6 in) over 13 days, compared to August's 94 mm (3.7 in) over 17 days. Humidity remains quite similar, with September at 86% and August slightly lower at 85%. For a more detailed look at the August weather, you can check Ashbourne weather in August.
In September, the weather is generally milder, with average temperatures ranging from a minimum of 2°C (37°F) to a maximum of 23°C (74°F), while October experiences cooler temperatures, with averages between 0°C (33°F) and 20°C (68°F). Both months see similar levels of precipitation, with September totaling 67 mm (2.6 in) and October slightly higher at 75 mm (3.0 in), although both months record rain on approximately 13 days. Humidity levels are also fairly consistent, with September at 86% and October slightly higher at 87%. For a more detailed look into October's weather, you can check Ashbourne weather in October.
In comparing the weather of September and November, we see a significant drop in temperatures. September boasts a minimum of 2°C (37°F) and a comfortable average of 14°C (57°F), while November's temperatures dip further, with lows reaching -2°C (29°F) and an average of just 8°C (47°F). Both months experience considerable precipitation, with September receiving 67 mm (2.6 in) and November slightly more at 84 mm (3.3 in), although both have rain on 13 days. Humidity remains consistent at 86% in both months, providing a damp chill in the air, especially during November. For those interested in a detailed look at November's conditions, you can check this link: Ashbourne weather in November.
In September, the weather is generally milder, with temperatures ranging from a minimum of 2°C (37°F) to a pleasant maximum of 23°C (74°F) and an average of 14°C (57°F). However, the month still sees significant precipitation, totaling 67 mm (2.6 inches) over about 13 days while maintaining a high humidity of 86%. In contrast, December brings colder conditions, with temperatures dropping to a minimum of -3°C (27°F) and an average of 7°C (44°F), peaking at only 13°C (56°F). Precipitation increases slightly to 83 mm (3.3 inches) over 14 days, accompanied by a humidity level of 84%. For more detailed information, you can check Ashbourne weather in December.
As September unfolds in Ashbourne, it offers a distinct transition from the vibrant warmth of summer to the cooler embrace of autumn. With average temperatures hovering around 14°C (57°F), the month invites a refreshing coolness, particularly during the evenings when the thermometer can dip to 2°C (37°F). Although daytime highs can reach a pleasant 23°C (74°F), the frequent rainfall—averaging 67 mm over 13 days—highlights the imminent change of seasons, leading to a notable increase in humidity at 86%. This combination of fluctuating temperatures and intermittent showers sets September apart from the preceding summer months, making it a unique period for outdoor enthusiasts and nature lovers. For a deeper understanding of the climatic patterns throughout the year, explore Ashbourne Climate.