Last updated: March 17, 2025
In September, Tallaght, Ireland experiences a captivating blend of weather conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), and an average of 13°C (56°F). This transitional month sees frequent rainfall, accumulating to 73 mm (2.9 in) over 14 days, contributing to the region's lush greenery. With an elevated humidity level at 86%, the atmosphere often feels refreshing yet cool, making it an intriguing time for visitors to explore Tallaght's scenic charm.
As September unfolds in Tallaght, Ireland, temperatures begin to embrace the subtle shift from summer to autumn. With a minimum of 3°C (38°F), the air turns brisker, while the average temperature settles at a comfortable 13°C (56°F), offering a pleasant backdrop for outdoor activities. The highs reach up to 22°C (72°F), showcasing those final warm days resembling summer, but as the month progresses, a noticeable drop in temperatures is on the horizon, marking the transition to cooler months ahead. This balanced climate invites both locals and visitors to enjoy the scenic beauty of Tallaght, making it a perfect time for falling leaves, cozy gatherings, and enjoying the rich cultural experiences the area has to offer.
In September, Tallaght experiences a shift into autumn with 73 mm (2.9 in) of precipitation over 14 days, marking a transition from the wetter summer months. While the rainfall is slightly lower than the previous month's 95 mm, it remains significant, contributing to a cumulative annual trend of increasing moisture as the year progresses. This month typically sees a blend of drizzly days and occasional heavier showers, reflecting the region's characteristic maritime climate. As autumn deepens, the precipitation patterns established in September set the stage for the wetter months ahead, as evidenced by the sharp increase to 87 mm in October and 97 mm in November.
In September, Tallaght, Ireland, experiences a slight uptick in humidity, reaching 86%, which mirrors the levels seen in both July and the preceding month of August. This month marks a transition into autumn, yet the humidity remains consistently high, reflecting a natural ebb and flow throughout the year. From January to December, humidity levels hover between 83% and 87%, suggesting a generally moist climate. Interestingly, the months toward the end of the year—particularly October—show a gradual increase in humidity, peaking at 87%, while the summer months maintain a steady 86%. Overall, Tallaght's humidity pattern illustrates a resilient consistency across the seasons, with only subtle variations that characterize its temperate maritime climate.
In September, Tallaght experiences a moderate UV Index of 5, indicating a shift from the high levels of summer. After the very high peaks in June and July, residents can now enjoy the fading warmth of early autumn with a burn time of 30 minutes before needing to seek shade. This month highlights a trend of decreasing UV exposure, transitioning from the summer months where the index reached as high as 8 back down to a more moderate rating. As the days gradually shorten and the sun's intensity lessens, September serves as a gentle reminder for everyone to stay informed and protect their skin. For regular updates on UV levels, visit the Tallaght UV Index.
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As summer wanes, September in Tallaght, Ireland, embraces a delightful blend of warmth and light, with 294 hours of sunshine gracing the month. Although this marks a decrease from the peak of summer when May and June basked in nearly 400 hours, it still shines brighter than the chill of October, which only sees 230 hours. This transition reflects the typical pattern of the region, where the days gradually shorten, yet September holds onto the lingering joys of summer. As autumn begins to unfurl, the rich tapestry of sunshine becomes a cherished reminder of the vibrant months past, inviting residents to soak in every last golden glow before the darker months arrive.
In Tallaght, Ireland, the likelihood of sunny weather in September reflects a trend of decreasing sunshine as summer wanes, with only a 20% chance of seeing clear skies. This is notably lower than the 44% chance observed in April, which marks the start of more temperate conditions. Following summer's end, which usually peaks in July and August with 30% and 23% chances of sunshine, September continues this decline towards autumn. As the months progress towards winter, the sun becomes less of a staple in the weather forecast, signifying that while September might still hold some pleasant days, the overall likelihood of sunny weather has diminished in comparison to the preceding warmer months.
As summer fades into autumn, September in Tallaght, Ireland, witnesses a gentle decline in daylight, offering around 12 hours of sunshine each day. This transitional month marks a shift from the peak brightness of summer, where both June and July basked in an impressive 16 hours of daylight. Following the longer days of late spring and summer, September's milder light serves as a reminder of the approaching seasonal changes. As daylight hours continue to dwindle into October and November, this decrease not only signals the arrival of autumn but also highlights the cyclical nature of the seasons, inviting residents to embrace shorter days and the cozy charm they bring.
In September, Tallaght, Ireland experiences a gentle breeze, with an average wind speed of 3.4 m/s (8 mph), reminiscent of the calm summer months. This slight dip from August’s 3.6 m/s marks a transition as autumn subtly begins to weave its influence into the atmosphere. The trend of decreasing wind speeds continues from the peak in February, which recorded a brisk 6.0 m/s (13 mph). As the year unfolds, September's breeziness aligns with the generally moderate winds of late summer and early autumn, offering a comforting embrace as the vibrant greens of the landscape prepare for the transition to autumnal hues.
The weather in Tallaght 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 Tallaght and find detailed weather information for every month.
In September, temperatures generally range from a mild 3°C (38°F) at night to a pleasant 22°C (72°F) during the day, with an average of 13°C (56°F). This month sees about 73 mm (2.9 in) of precipitation over approximately 14 days, accompanied by high humidity levels at 86%. In contrast, January experiences much cooler temperatures, with lows dipping to -3°C (26°F) and daytime highs reaching around 13°C (56°F), averaging at 5°C (42°F). The precipitation in January is slightly lower at 57 mm (2.2 in) over about 10 days, while humidity remains similar at 85%. For detailed insights on January weather, you can check Tallaght weather in January.
In comparing the weather between September and February, September tends to be milder with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), while February features cooler conditions with temperatures ranging from -2°C (29°F) to 14°C (58°F). Both months experience similar levels of precipitation, with September receiving 73 mm (2.9 in) and February a bit more at 80 mm (3.1 in), though both see rainfall on approximately 14 days. Humidity remains consistent throughout the year at around 86%. For more detailed insights, you can check Tallaght weather in February.
September generally offers milder weather compared to March, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F). In contrast, March experiences cooler temperatures, with lows dropping to -5°C (24°F) and highs reaching only 16°C (61°F). Both months see significant precipitation, with September receiving 73 mm (2.9 in) over approximately 14 days, while March has a slightly higher precipitation of 81 mm (3.2 in) spread over 15 days. Interestingly, both months share the same humidity level of 86%, making for moist conditions throughout. For more specific details about the weather during this time, you can visit Tallaght weather in March.
When comparing the weather of September and April, we observe notable differences in temperature and precipitation. September enjoys milder temperatures, with a minimum of 3°C (38°F) and an average of 13°C (56°F), reaching a maximum of 22°C (72°F). In contrast, April is cooler, featuring a minimum of -2°C (29°F) and an average of 8°C (47°F), with a maximum of 19°C (66°F). Additionally, September experiences more precipitation, totaling 73 mm (2.9 in) over 14 days, while April sees less rain at 52 mm (2.0 in) across 11 days. Despite the larger amount of rainfall in September, both months maintain high humidity levels, hovering around 86% in September and slightly lower at 85% in April. For more detailed April weather information, you can visit Tallaght weather in April.
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 sees a total precipitation of 73 mm (2.9 in) over approximately 14 days and experiences a high level of humidity at 86%. In contrast, May has slightly cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 21°C (71°F), averaging 11°C (52°F). The precipitation is comparable to September, totaling 72 mm (2.8 in) over the same number of rainy days, but comes with a slightly lower humidity at 83%. For more details on the weather conditions in May, visit Tallaght weather in May.
In comparing the weather between September and June, September tends to be slightly cooler, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), contrasted with June's warmer range of 6°C (42°F) to 24°C (75°F). Both months experience similar levels of precipitation, with September receiving about 73 mm (2.9 in) over 14 days and June having 75 mm (3.0 in) across 15 days. Interestingly, the humidity levels remain quite comparable, with September at 86% and June at 85%. For a more detailed look, you can check out Tallaght weather in June.
In comparing the weather patterns of September and July, September tends to be cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), averaging around 13°C (56°F). July, on the other hand, is warmer, with temperatures starting at 8°C (46°F) and reaching up to 25°C (77°F), resulting in an average temperature of 16°C (60°F). Both months experience around 14 days of precipitation, though July sees slightly more rainfall overall at 80 mm (3.2 in) compared to September's 73 mm (2.9 in). Interestingly, the humidity levels remain consistent in both months at 86%, contributing to a similar feel despite the temperature differences. For a more detailed look at July's weather, you can read more here: Tallaght weather in July.
In comparing the weather between September and August, we see a noticeable shift in temperatures and precipitation. September offers cooler temperatures, with a minimum of 3°C (38°F) and an average of 13°C (56°F), compared to August's milder minimum of 7°C (45°F) and average of 15°C (60°F). Although the maximum temperatures are quite similar, reaching 22°C (72°F) in September and 23°C (73°F) in August, September experiences slightly higher rainfall with 73 mm (2.9 in) over 14 days, compared to August's 95 mm (3.8 in) over 16 days. Humidity levels remain high in both months, but September sees a marginally higher humidity at 86%, compared to August's 85%. For more detailed information, you can check Tallaght weather in August.
In comparing the weather between September and October, we can see a notable drop in temperatures as October brings cooler conditions. September typically features a minimum temperature of 3°C (38°F), an average of 13°C (56°F), and a maximum of 22°C (72°F), while October sees a slight decrease, with minimum temperatures falling to 1°C (35°F) and an average of 11°C (51°F), peaking at 18°C (65°F). Precipitation levels also increase slightly in October, with 87 mm (3.4 in) expected over similar precipitation days. The humidity remains quite steady, rising just a notch from 86% in September to 87% in October. For those interested, you can find more details about the weather in Tallaght during this month at Tallaght weather in October.
September and November present a noticeable shift in weather conditions. In September, temperatures are generally milder, with a range from a chilly 3°C (38°F) to a pleasant 22°C (72°F), and an average of 13°C (56°F). However, November brings cooler temperatures, with the maximum reaching only 15°C (59°F) and an average of 8°C (46°F). Both months experience similar humidity levels at 86%, but November sees an increase in precipitation, with 97 mm (3.8 in) compared to September's 73 mm (2.9 in), often spread over the same number of rainy days. For more details, you can check out Tallaght weather in November.
In September, the weather is generally milder, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F) and an average of 13°C (56°F). The month sees around 73 mm (2.9 in) of precipitation across approximately 14 days, coupled with relatively high humidity at 86%. In contrast, December brings cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 13°C (56°F), resulting in an average temperature of 6°C (44°F). Precipitation increases to 94 mm (3.7 in) spread over about 15 days, and humidity remains slightly lower at 84%. For more details on the weather in December, visit Tallaght weather in December.
As September unfolds in Tallaght, it marks a distinct transition from the warmth of summer to the cooler embrace of autumn. Temperatures begin to dip, offering a comfortable average that invites cozy attire, while the nights can feel quite brisk. While the month brings increased chances of rain, with several wet days, humidity levels remain notably high, creating a palpable freshness in the air. This combination of warm days and cooler nights, along with regular rainfall, sets September apart from the warmer summer months, providing a unique opportunity to experience Tallaght’s vibrant autumn charm. For a deeper understanding of the area's weather patterns, you can explore the detailed information at Tallaght Climate.