Last updated: March 17, 2025
Experience the vibrant September weather of Dollymount, Ireland, where temperatures range from a refreshing 3°C (38°F) at night to a delightful 22°C (72°F) during the day. The month brings an average temperature of 13°C (56°F), ideal for enjoying the scenic beauty of the area. However, nature's unpredictability reigns supreme, as 73 mm (2.9 in) of rain falls over 14 days, contributing to the lush greenery. With an impressive humidity level of 86%, September showcases the charming, crisp air that characterizes Ireland's beautiful coastal climate.
In Dollymount, Ireland, September marks a transition towards autumn, with temperatures settling into a milder rhythm. The month begins with a pleasant average temperature of 13°C (56°F), seeing minimums around 3°C (38°F) and maximums peaking at 22°C (72°F). This gradual cooling from the summer highs of August offers a comfortable reprieve. As the days shorten, the weather becomes refreshingly crisp, making it an ideal time for outdoor activities along the picturesque coast. Embracing this seasonal shift, September promises a blend of warmth and the first hints of autumn's embrace.
In September, Dollymount, Ireland, experiences a shift as summer gives way to autumn, with precipitation reaching 73 mm (2.9 in) over 14 days of the month. This is a slight decrease from the previous month’s 95 mm (3.8 in), yet still reflects the region's characteristic moisture. August typically marks the peak of rainfall, signaling the end of the summer season, while September shows more moderate conditions reminiscent of early autumn. As the days grow shorter, the consistent rainfall highlights a transition, with the average daily rainfall suggesting a balance between lingering warmth and the impending chill of October, which brings an uptick in precipitation to 87 mm (3.4 in). Thus, September serves as a pivotal bridge in Dollymount’s climatic narrative.
September in Dollymount, Ireland, sees a notable peak in humidity at 86%, mirroring the slightly wetter months of July and August. This trend of high humidity continues into October, where it reaches 87%, suggesting that the transition to autumn doesn’t bring a significant drop in moisture. Interestingly, the humidity remains relatively consistent throughout the year, ranging between 83% and 87%, with only May recording the lowest level. Overall, the steady levels of humidity reflect Dollymount's maritime climate, ensuring a lush and verdant landscape that persists even as summer gives way to fall.
As September unfolds in Dollymount, Ireland, the UV Index shows a moderate reading of 5, indicating a burn time of 30 minutes for unprotected skin. This transition from the high summer months, where the index peaked at 8 in both June and July, highlights a gradual decline in solar intensity. With the lingering warmth of early autumn, the UV exposure remains significant, especially when compared to the previous months when values reached 7 in May and August. As the season changes, it's essential to stay mindful of UV levels, even in September. For more details, visit Dollymount UV Index.
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As summer gracefully wanes into autumn, September in Dollymount, Ireland, offers a delightful blend of warmth and light, with 294 hours of sunshine gracing the month. This marks a gentle decline from the vibrant summer months, where July and August basked in 385 and 339 hours of sun, respectively. However, September’s brightness still outshines the early months of the year, where sunlight barely reaches 83 hours in January. The transition into fall is evident as daylight begins to diminish, yet September emerges as a charming bridge, inviting both locals and visitors to enjoy the lingering warmth before the shorter days of October, which sees a further drop to 230 hours. The evolving patterns of daylight capture the essence of the seasonal change, providing a picturesque backdrop for leisurely strolls along the sandy shores.
In Dollymount, Ireland, the likelihood of sunny weather in September is relatively low at 20%, marking just a slight dip from the preceding months. This trend reflects a gradual decrease in sunshine chances as the year transitions into autumn, with only April enjoying a robust 44% likelihood of clear skies. The summer months present a bit more sunshine, peaking slightly in May at 31% but still remain well below the optimal levels found earlier in spring. As the year winds down, October and November follow September with even lesser chances, hinting at the impending chill of winter. Overall, if you're hoping for sunlit days in September, be prepared for a mixed bag as the sun's presence wanes.
As the seasons shift in Dollymount, Ireland, September showcases a marked adjustment in daylight duration, offering approximately 12 hours of light. This month stands as a transitional period following the prolonged brightness of summer, which peaks at 16 hours in June and July. The gradual decline in daylight that begins in August—when bright days retract to 14 hours—sets the stage for autumn's approach. As we move into October, daylight diminishes further to 10 hours, highlighting the natural rhythm of changing seasons. This ebb and flow of daylight not only influences the landscape but also enriches the experience of outdoor pursuits, as the vibrant hues of autumn foliage begin to emerge under the golden sun.
As summer fades into autumn, September winds in Dollymount, Ireland, offer a gentle transition, averaging 3.4 m/s (8 mph). This moderate breeze is consistent with the subdued winds of the preceding months, signaling a slight uptick in calmness after the summer peak in July, where winds plummeted to 2.7 m/s (6 mph). Despite September’s tranquil gusts, it prepares the way for October and November, which typically witness a resurgence in wind speeds, both averaging 4.9 m/s (11 mph). This trend illustrates a rhythm in the seasons, where the soft caress of September gradually gives way to the more robust winds of fall and winter, creating a dynamic atmosphere in this picturesque Irish location.
The weather in Dollymount 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 Dollymount and find detailed weather information for every month.
In September, temperatures are generally milder, with minimums around 3°C (38°F) and maximums reaching up to 22°C (72°F). The month experiences an average temperature of 13°C (56°F) and relatively high humidity at 86%. Precipitation is also notable, with 73 mm (2.9 in) spread over 14 days. In contrast, January sees colder weather, with minimum temperatures dropping to -3°C (26°F) and maximums only reaching 13°C (56°F). The average temperature for January is significantly lower at 5°C (42°F), and while the month has less overall precipitation at 57 mm (2.2 in), it occurs over fewer days (10). Humidity remains relatively stable at 85%. For a more detailed look at January weather, check out Dollymount weather in January.
In September, temperatures range from a chilly 3°C (38°F) at night to a mild 22°C (72°F) during the day, with an average of 13°C (56°F). The month experiences about 73 mm (2.9 in) of precipitation over 14 days, accompanied by high humidity levels of 86%. In contrast, February brings colder conditions, with temperatures dropping to a minimum of -2°C (29°F) and peaking at 14°C (58°F), averaging around 6°C (43°F). Precipitation increases slightly to 80 mm (3.1 in), also over 14 days, while the humidity remains consistent at 86%. For a detailed overview of February weather, you can check out Dollymount weather in February.
In September, temperatures range from a minimum of 3°C (38°F) to a comfortable maximum of 22°C (72°F), providing an overall average of 13°C (56°F). The month experiences about 73 mm (2.9 in) of precipitation over roughly 14 days, with humidity consistently high at 86%. In contrast, March witnesses cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 16°C (61°F), averaging 7°C (44°F). Precipitation slightly increases to 81 mm (3.2 in), spread across 15 days, while the humidity remains at 86%. For more details on March weather, please visit Dollymount weather in March.
September and April present distinct weather patterns that reflect the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), with an average of 13°C (56°F), while April experiences cooler conditions with temperatures dropping to -2°C (29°F) at night and peaking at 19°C (66°F), averaging 8°C (47°F). Precipitation is slightly higher in September at 73 mm (2.9 in) over 14 days, compared to 52 mm (2.0 in) over 11 days in April, indicating that September tends to be wetter. Humidity remains relatively high in both months, with September at 86% and April slightly lower at 85%. For more detailed information on April's weather patterns, you can check Dollymount weather in April.
In comparing the weather of September and May, both months present a moderate climate with average temperatures that are quite similar. September enjoys slightly warmer conditions, with a minimum temperature of 3°C (38°F) and a maximum of 22°C (72°F), while May has a milder minimum of 0°C (32°F) and a maximum of 21°C (71°F). Precipitation levels are comparable, with September receiving 73 mm (2.9 in) and May slightly less at 72 mm (2.8 in), both spread across approximately 14 days. Humidity in September is slightly higher at 86%, compared to 83% in May. This subtle difference indicates that while both months can be characterized by their relatively damp and cool climate, September tends to feel slightly warmer and more humid. For more detailed information on May weather, you can check Dollymount weather in May.
In comparing the weather of September and June, we see that September tends to have slightly cooler temperatures, with average highs reaching 22°C (72°F) compared to June's average high of 24°C (75°F). The minimum temperatures in September start at 3°C (38°F), which is lower than June's minimum of 6°C (42°F). Both months experience similar levels of precipitation, with September recording 73 mm (2.9 in) over about 14 days and June a bit higher at 75 mm (3.0 in) over 15 days. Humidity levels are quite comparable, hovering around 86% in September and 85% in June. For detailed insights into June weather specifically, you can check out this link: Dollymount weather in June.
In comparing the weather of September and July, one can observe distinct differences and some similarities. September tends to be cooler, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), while July is warmer with temperatures starting at 8°C (46°F) and peaking at 25°C (77°F). Both months experience similar levels of humidity at 86% and have comparable precipitation, with September recording 73 mm (2.9 in) and July slightly higher at 80 mm (3.2 in) over 14 days. For those interested in a more detailed exploration of July weather, visit Dollymount weather in July.
In comparing the weather of September and August, we see a noticeable drop in minimum temperatures, with September recording a low of 3°C (38°F) compared to August's milder 7°C (45°F). The average temperature also decreases slightly from 15°C (60°F) in August to 13°C (56°F) in September, although the maximum temperatures remain relatively similar. Precipitation in September totals 73 mm (2.9 in) over 14 days, which is less than August's 95 mm (3.8 in) across 16 days, making September somewhat drier overall. Humidity levels are slightly higher in September at 86%, compared to August’s 85%. For more details, check out Dollymount weather in August.
September and October both exhibit cool and damp weather, but October tends to be slightly chillier and wetter. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), averaging around 13°C (56°F). The month sees approximately 73 mm (2.9 in) of rain over 14 days, accompanied by high humidity at 86%. In contrast, October brings even cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 18°C (65°F), averaging 11°C (51°F). Rainfall increases slightly to 87 mm (3.4 in) over the same number of days, while humidity remains comparable at 87%. To explore more about the October weather specifics, you can visit Dollymount weather in October.
September and November exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), with an average of 13°C (56°F). The month experiences 73 mm (2.9 in) of precipitation across 14 days, maintaining a high humidity level of 86%. In contrast, November sees colder temperatures, with a minimum of 0°C (32°F), an average of 8°C (46°F), and a maximum of 15°C (59°F). Precipitation increases slightly to 97 mm (3.8 in) over the same number of rainy days, but the humidity remains consistently high at 86%. For more details, you can check Dollymount weather in November.
In comparing the weather between September and December, a noticeable shift occurs. September enjoys milder temperatures, with a minimum of 3°C (38°F) and a maximum of 22°C (72°F), contributing to an average of 13°C (56°F). In contrast, December brings colder conditions, with temperatures dropping to a minimum of -2°C (28°F) and an average of 6°C (44°F). Both months experience significant precipitation, with December recording 94 mm (3.7 in) over 15 days, slightly higher than September’s 73 mm (2.9 in) over 14 days. Humidity remains relatively high in both months, with September at 86% and December slightly lower at 84%. For more detailed information on December weather, you can visit Dollymount weather in December.
As September unfolds in Dollymount, the weather presents a more variably mild character compared to the peak summer months. With average temperatures hovering around 13°C and occasional highs reaching up to 22°C, it offers a gentle transition into autumn. However, the increased humidity levels at 86% and a notable 73 mm of precipitation over 14 days indicate a shift towards a wetter season, making it quite distinct from the drier summer. This blend of cool temperatures and frequent showers paints September as a month of refreshing change, inviting both stormy skies and warm sunny moments. For a deeper understanding of the climate nuances throughout the year, explore more in Dollymount Climate.