Last updated: March 17, 2025
In September, Donabate, Ireland experiences a delightful transition into autumn, with an average temperature of 14°C (57°F). The maximum temperature can reach up to 22°C (72°F), offering a pleasant respite before cooler days set in. However, visitors should prepare for the moisture-laden air, as humidity levels soar to 86% and precipitation falls on 13 days, totaling 70 mm (2.7 in) for the month. Whether you’re enjoying a coastal walk or exploring local scenery, September's varied weather presents a unique charm that captures the essence of Irish life.
In September, Donabate experiences a gentle transition from the warmth of summer to the crisp beginning of autumn. With minimum temperatures averaging around 4°C (39°F) and maximums reaching up to 22°C (72°F), the month showcases a delightful balance of mild days and cool evenings. This trend of moderated warmth is evident as the average temperature settles at 14°C (57°F), marking it as one of the more pleasant months of the year. As the air starts to cool, the scenery transforms, inviting locals and visitors alike to enjoy the beauty of Donabate’s landscapes amidst the gentle shift in climate.
September in Donabate, Ireland, typically brings a moderate precipitation total of 70 mm (2.7 in), marking a slight decrease from the wet August that records the highest rainfall of the year at 95 mm (3.7 in). With rainfall spread over approximately 13 days, the month continues the trend of frequent showers characteristic of late summer and early autumn, providing a steady supply of moisture. As the transition into autumn progresses, the precipitation levels remain noticeably elevated compared to earlier months like April and May, which see significantly less rain. This consistent rainfall pattern hints at the region's shift towards the wetter months ahead, as October and November loom with 79 mm (3.1 in) and 93 mm (3.6 in) respectively, likely to reinforce the lush landscape that Ireland is renowned for.
In September, the humidity in Donabate, Ireland settles at a notable 86%, aligning with the year's trend of consistently high moisture levels. Throughout the months, humidity fluctuates only slightly, peaking in January and October at 85% to 87%. The late summer and early autumn months, particularly July and September, showcase a persistent humidity level, illustrating how the coastal climate maintains a near-constant moisture presence. This consistent humidity contributes to Donabate's lush landscapes and vibrant natural beauty, making it a unique destination for those who appreciate the blend of sea and greenery.
As summer begins to fade in Donabate, the September UV Index takes a moderate turn, settling at 5. This marks a notable decrease from the intense peaks of July and August, where values soared to 8. As the days grow shorter, the risk of overexposure diminishes slightly, allowing for a burn time of 30 minutes before sun protection becomes essential. The general trend throughout the year highlights a distinct seasonal shift: starting with low levels in winter, the index spikes during the summer months before tapering back in early autumn. For those enjoying the lingering warmth of September's rays, it's a reminder to stay sun-smart, even as the UV levels decline. For more detailed insights, visit Donabate UV Index.
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As summer gracefully transitions into autumn, September in Donabate, Ireland, still enjoys a commendable 288 hours of sunshine. This marked a slight decrease from the sun-soaked days of July and August, reflecting the natural ebb and flow of daylight as the seasons change. The year began with a modest 80 hours in January, gradually building to a peak during the vibrant months of spring and early summer. Notably, May takes the crown with an impressive 385 hours, while the summer months consistently hover around the high 300s. As we draw closer to winter, sunshine hours wane significantly, with October plummeting to 226 hours and November and December dipping even further. This trend highlights the charm of September as a sweet spot where summer's warmth lingers just a little longer, inviting residents and visitors alike to relish in the beauty of the season before embracing the cooler months ahead.
When considering the likelihood of sunny weather in September in Donabate, Ireland, it's interesting to note that the chance of sun drops to 21%, aligning it with the overall pattern of the later months in the year. Following a brighter April at 44%, the sunniest month before September is May, where the likelihood stands at 33%. This trend suggests that as summer fades, so too does the likelihood of sunny days, with subsequent months like October and November also reflecting a further decline in sunshine opportunities. Thus, while September may still offer a few pleasant days, it is arguably less favorable compared to earlier spring months.
As September unfolds in Donabate, Ireland, the daylight hours begin to transition gracefully from the long, sun-kissed days of summer. With an average of 12 hours of daylight, September offers a delightful balance, providing ample time to soak in the lingering warmth before autumn sets in. This month marks a gentle decline from the peak of 16 hours seen in June and July, yet it still retains more light than the earlier months of the year, such as January's mere 8 hours. As the days gradually shorten, a natural progression unfolds—each month bringing its unique rhythm, from the vibrant 15 hours of May to the cozy, dimming days of November with just 8 hours of light. Embrace September's golden glow as the season shifts, inviting a beautiful blend of light and shadow.
As summer fades and autumn approaches, September in Donabate, Ireland welcomes a gentle breeze with an average wind speed of 3.5 m/s (8 mph). This marks a slight dip from the busier winds of August, reflecting a transition period where nature begins to prepare for the upcoming chill. Following the peak of summer winds in July, which saw the slowest speeds at just 2.8 m/s (6 mph), September maintains a steady rhythm akin to early autumn's serenity. As the year progresses, wind speeds gradually increase into the fall, with October and November both averaging 4.8 m/s and 4.9 m/s respectively. This trend not only shapes the local climate but also enhances the picturesque landscape of Donabate, making September a lovely time to experience the delicate balance between summer's warmth and the approaching crispness of autumn.
The weather in Donabate 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 Donabate and find detailed weather information for every month.
When comparing the weather in September and January, it's clear that there are significant differences. September typically presents milder temperatures, with an average of 14°C (57°F), reaching highs of 22°C (72°F). In contrast, January experiences much cooler conditions, with an average of 6°C (43°F) and maximum temperatures only reaching 14°C (58°F). Precipitation is slightly higher in September at 70 mm (2.7 in) over 13 days, compared to January's 53 mm (2.1 in) over 10 days. Humidity remains relatively similar, with September at 86% and January at 85%. For more specific information about January weather, you can check Donabate weather in January.
In comparing the weather between September and February, it’s clear that February tends to be colder, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 15°C (58°F), compared to September's warmer averages of 4°C (39°F) to 22°C (72°F). Both months experience high humidity levels of 86%, which can contribute to a chilly feel in February despite the relatively similar precipitation amounts—70 mm (2.7 in) in September and 73 mm (2.9 in) in February—over a comparable number of rainy days. For a more detailed look at February weather specifics, you can visit Donabate weather in February.
In September, temperatures typically rise from a chilly minimum of 4°C (39°F) to a comfortable average of 14°C (57°F) and can reach a maximum of 22°C (72°F). The month sees around 70 mm (2.7 in) of precipitation over 13 days, while humidity levels remain high at 86%. In contrast, March experiences cooler temperatures, starting as low as -3°C (26°F) and averaging 7°C (45°F), with a maximum of 16°C (62°F). The precipitation is slightly higher at 73 mm (2.9 in) across 14 days, maintaining the same humidity level of 86%. For more detailed information on March weather, check out Donabate weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation. September tends to be warmer with minimums of 4°C (39°F) and average highs reaching 22°C (72°F), while April experiences cooler temperatures, starting at a minimum of -1°C (31°F) and averaging a max of 19°C (67°F). Additionally, September sees more precipitation, with 70 mm (2.7 in) over 13 days compared to April's 44 mm (1.7 in) over 11 days. Humidity levels are fairly similar, hovering around 86% in September and 85% in April. For more detailed information, you can visit Donabate weather in April.
When comparing the weather in September and May, both months exhibit mild temperatures, with September averaging 14°C (57°F) and May slightly cooler at 12°C (53°F). The maximum temperatures are the same at 22°C (72°F), but September features a higher minimum temperature of 4°C (39°F) compared to May's 1°C (34°F). In terms of precipitation, September sees a bit more rain, with 70 mm (2.7 in) across 13 days, while May has 62 mm (2.4 in) over 12 days, resulting in slightly lower humidity in May at 83%, compared to September's 86%. For more detailed weather insights, you can check Donabate weather in May.
September and June present somewhat similar weather patterns, but with notable differences in temperature and conditions. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 22°C (72°F), with an average of 14°C (57°F). The month experiences 70 mm (2.7 in) of precipitation over 13 days, accompanied by a high humidity level of 86%. In contrast, June sees slightly warmer temperatures, with a minimum of 7°C (44°F), an average of 15°C (58°F), and a maximum of 25°C (77°F). Rainfall is similar, at 69 mm (2.7 in) over the same number of days, but with marginally lower humidity at 85%. For a detailed look at the specifics, visit Donabate weather in June.
When comparing the weather in September to that of July, it's clear that September experiences cooler temperatures, with minimums dropping to 4°C (39°F) compared to July's 8°C (47°F). The average temperature in September is 14°C (57°F), slightly lower than July's average of 16°C (62°F), while the maximum temperatures also reflect this trend, reaching up to 22°C (72°F) in September versus 27°C (80°F) in July. Precipitation levels are similar, with September recording 70 mm (2.7 in) over 13 days and July at 73 mm (2.9 in) over 12 days. Notably, both months have a consistent humidity level of 86%. For more specific insights on July weather in Donabate, check out Donabate weather in July.
In comparing the weather between August and September, September typically experiences cooler temperatures, with a minimum of 4°C (39°F) compared to August's minimum of 8°C (47°F). The average temperature in September is 14°C (57°F), slightly lower than August's average of 16°C (61°F), though the maximum in both months remains similar, with September peaking at 22°C (72°F) and August at 23°C (74°F). Additionally, September sees more frequent precipitation with 70 mm (2.7 in) falling over 13 days, in contrast to August's 95 mm (3.7 in) over 16 days. The humidity in both months is quite high, at 86% in September and 85% in August. For a more detailed look at August weather, visit Donabate weather in August.
In September, the weather features a mild temperature range with a minimum of 4°C (39°F), an average of 14°C (57°F), and a maximum of 22°C (72°F). While the month sees a total precipitation of 70 mm (2.7 in) across 13 days, humidity levels are relatively high at 86%. In contrast, October brings slightly cooler temperatures, with a minimum of 2°C (36°F), an average of 11°C (53°F), and a maximum of 19°C (67°F). Precipitation increases to 79 mm (3.1 in), also spread over 13 days, while humidity rises marginally to 87%. For a local perspective on October's weather, you can visit Donabate weather in October.
September and November showcase distinct shifts in weather patterns. September sees milder temperatures, with a minimum of 4°C (39°F) and an average high of 22°C (72°F), whereas November plunges to a minimum of -1°C (31°F) and an average high of only 15°C (60°F). While both months experience high humidity levels of 86%, November brings more precipitation with 93 mm (3.6 in) over 14 days compared to September's 70 mm (2.7 in) over 13 days. For more detailed insights, you can explore Donabate weather in November.
September features milder temperatures, with averages around 14°C (57°F) and maximums reaching up to 22°C (72°F), making it a pleasant month. In contrast, December brings colder conditions, with average temperatures dropping to 7°C (45°F) and maximums only reaching 13°C (56°F). While both months see significant precipitation—70 mm (2.7 in) in September and 85 mm (3.4 in) in December—December tends to be slightly wetter, occurring over approximately 14 days compared to 13 days in September. Humidity levels remain relatively high in both months, with September at 86% and December slightly lower at 84%. For more detailed information about weather conditions in December, you can visit Donabate weather in December.
As September unfolds in Donabate, the weather presents a unique transition from summer’s warmth to autumn's embrace. With maximum temperatures still enjoying a mild 22°C (72°F) during the day, the evenings offer a refreshing coolness that dips to around 4°C (39°F). A notable increase in precipitation, averaging 70 mm (2.7 in) over roughly half the month, brings in the classic autumnal feel, marked by a striking 86% humidity. This blend of warm days and cooler nights, along with the increased rainfall, sets September apart from the preceding summer months, hinting at the changing seasons ahead. For detailed insights into the climate trends of this charming coastal village, be sure to explore Donabate Climate.