Last updated: March 17, 2025
In September, New Ross, Ireland, experiences a broad temperature range with maximums reaching 25°C (77°F), while the average hovers around a cooler 13°C (56°F). Early in the month, visitors may still relish warm days, but temperatures can dip as low as 0°C (33°F) at night. This month also witnesses moderate rainfall, accumulating to 64 mm (2.5 in) over approximately 11 days, contributing to an 86% humidity level that often envelops the region. With its unpredictable weather, September in New Ross transitions into the cozy embrace of autumn, offering a rich tapestry of experiences for nature enthusiasts and outdoor adventurers alike.
In September, New Ross, Ireland, experiences a delightful transition into early autumn, with temperatures ranging from a cool 0°C (33°F) at night to a pleasant max of 25°C (77°F) during the day. The average temperature settles at 13°C (56°F), reflecting a gradual shift from the warmth of summer. This month marks the onset of crisp days where the vibrant leaves begin to paint the landscape, creating a picturesque backdrop for exploration. As the warmth of August fades, September beckons outdoor enthusiasts with its comfortable climate, making it an ideal time for strolls through the charming streets or enjoying the breathtaking coastal views. While the evenings start to feel cooler, the daytime warmth lingers, reminding us of summer's recent embrace.
September in New Ross brings a moderate precipitation total of 64 mm (2.5 in), falling comfortably between the drier summer months and the wetter autumn ahead. With 11 days of rain, this month features a balance that suggests a gentle transition into fall, as summer's heavy rains give way to the brisk air and increased moisture of October. Interestingly, September's rainfall is less than August's notable 96 mm (3.8 in), yet it surpasses the drier spring months, painting a picture of a climate that gradually prepares for the intensified precipitation that November and December typically deliver. This pattern reflects a rhythmic ebb and flow, highlighting New Ross's characteristic maritime climate where moisture levels play a crucial role in shaping the landscape and local ecosystem.
As summer transitions into autumn in New Ross, Ireland, September brings a slight uptick in humidity, reaching 86%—a continuation of the elevated levels experienced throughout the warmer months. This figure mirrors the humidity seen in July and August, indicating a consistent moisture content in the air during late summer and early fall. With only a gradual decline anticipated in the subsequent months, where October nudges up to 87%, it’s clear that the region maintains a humid atmosphere well into the autumn. This trend reflects Ireland's overall maritime climate, ensuring that residents experience lush greenery and vibrant landscapes despite the looming chill of winter.
As September rolls into New Ross, Ireland, the UV Index sees a drop to 5, categorizing the sun's rays as moderate and requiring about 30 minutes of exposure time before the risk of burning increases. This transition marks a shift from the previous summer months, which boasted very high UV levels of 8 in July and June, and high levels of 7 in August. While the sun remains potent, especially compared to the earlier months of the year, it signals a gradual retreat from the heightened summer sun. Recognizing these changes in UV exposure is essential for outdoor enthusiasts to enjoy their time safely. For more details on UV patterns and protection tips, check out New Ross UV Index.
UV Risk Categories
As September settles over New Ross, Ireland, the days are still bathed in a warm golden light, boasting 308 hours of sunshine—a remarkable treasure before the chill of autumn sets in. Following a lively summer peak of 408 hours in July, the sunshine gradually tapers off as the season transitions, yet September still offers a generous glow compared to the dreariness of the upcoming months, which see a stark drop to 135 hours in November. This month stands as a delightful bridge, capturing the tail end of the vibrant summer while the landscape begins to change, inviting both locals and visitors to embrace the lingering warmth of late summer adventures.
September in New Ross, Ireland, typically brings a slightly diminished chance of sunny weather, with a 19% likelihood of clear skies. This trend reflects a gradual decline in sunshine days as summer transitions into autumn. Throughout the year, the sunniest months are generally in spring and early summer, peaking in April at 43%. As the autumn months approach, the probability of sunny days dwindles, with October and November showing even lower chances. Therefore, if you're hoping to enjoy some sun in September, be prepared for cooler, cloudier days as the season shifts.
As September arrives in New Ross, Ireland, daylight begins to gradually wane, offering about 12 hours of daylight—a gentle transition from the long, sun-soaked days of summer. Following the peak of 16 hours in June and July, this month marks a notable shift, as the vibrant autumn hues start to emerge. The daylight duration continues to decrease in October, down to 10 hours, signaling the approach of winter. This trend showcases the rhythmic ebb and flow of the seasons in Ireland, inviting both reflection and the enjoyment of the early autumn air before the shorter days take hold.
As the calendar turns to September in New Ross, Ireland, the wind begins to whisper a gentle lullaby, with an average speed of 2.9 m/s (6 mph). This marks a subtle decline from the breezier summer months, notably July's calmest days at just 2.7 m/s (6 mph). The trend reveals a softening touch in the air, as autumn approaches, inviting a serene atmosphere amidst the changing leaves. While the spring and summer months dance with higher gusts, September's milder winds create a tranquil backdrop perfect for enjoying the scenic beauty of this charming town. As we transition into fall, one can sense the ebb and flow of nature's rhythms, suggesting that change is just around the corner.
The weather in New Ross 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 New Ross and find detailed weather information for every month.
September and January present stark contrasts in weather. In September, temperatures can range from a chilly 0°C (33°F) at night to a warm 25°C (77°F) during the day, with an average of 13°C (56°F). The month also sees about 64 mm (2.5 in) of precipitation spread over 11 days, accompanied by high humidity levels of 86%. In contrast, January features a colder climate, with temperatures dipping to a low of -5°C (24°F) and peaking at 13°C (56°F), yielding a much lower average of 6°C (42°F). Precipitation in January is slightly less at 48 mm (1.9 in) over 10 days, with a humidity level of 85%. For more details, you can explore New Ross weather in January.
September and February present contrasting weather patterns, with September generally being milder and more temperate. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 25°C (77°F), averaging 13°C (56°F). The month receives about 64 mm (2.5 in) of precipitation over 11 days, and the humidity remains relatively high at 86%.
In contrast, February tends to be colder, with temperatures dropping to a minimum of -4°C (25°F) and peaking at 14°C (58°F), averaging around 6°C (44°F). Precipitation increases to 92 mm (3.6 in) spread over 15 days, maintaining the same humidity level of 86%. These factors contribute to February's chillier atmosphere and more consistent rainfall compared to the warmer, drier conditions of September. For a closer look at February weather specifics, you can visit New Ross weather in February.
September and March present contrasting weather patterns, despite having similar humidity levels of 86%. In September, temperatures start mild with an average of 13°C (56°F), reaching a maximum of 25°C (77°F), while March is cooler, with an average temperature of 7°C (44°F) and a maximum of 17°C (62°F). Precipitation is slightly higher in March with 79 mm (3.1 in) over 15 days, compared to September's 64 mm (2.5 in) over 11 days. For a detailed look at March weather, you can check New Ross weather in March.
In comparing September and April weather, we see notable differences in temperature and overall climate conditions. September typically enjoys warmer temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 25°C (77°F), averaging around 13°C (56°F). In contrast, April experiences cooler conditions, with temperatures ranging from -3°C (27°F) to a maximum of 20°C (68°F), averaging 9°C (48°F). Both months recorded similar precipitation levels, with September seeing 64 mm (2.5 in) and April slightly more at 65 mm (2.6 in), both occurring over approximately 11 days. Interestingly, humidity levels are fairly close, with September at 86% and April slightly lower at 85%. For a more detailed look at the weather, visit New Ross weather in April.
In comparing the weather of September and May, we see some notable similarities and differences. September typically enjoys a broader temperature range, with a minimum of 0°C (33°F) and a maximum of 25°C (77°F), while May is slightly cooler, featuring temperatures that range from -2°C (29°F) to a maximum of 23°C (73°F). Both months experience similar levels of precipitation, averaging around 64-65 mm (2.5 in) over approximately 10-11 rainy days, with September having a slightly higher humidity at 86% compared to May's 83%. For those looking to explore what May weather feels like, you can check out New Ross weather in May.
September and June present a noticeable contrast in weather conditions. In September, temperatures range from a chilly minimum of 0°C (33°F) to a pleasant maximum of 25°C (77°F), with an average of 13°C (56°F). The month sees a total precipitation of 64 mm (2.5 in) over 11 days, accompanied by high humidity at 86%. In contrast, June boasts slightly warmer weather, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (82°F) and an average temperature of 14°C (58°F). June experiences a bit more rainfall, totaling 67 mm (2.7 in) over 12 days, while maintaining a comparable humidity level of 85%. For more detailed insights, you can check out the New Ross weather in June.
September's weather is characterized by cooler temperatures, with minimums dropping to 0°C (33°F) and average highs reaching only 25°C (77°F). In contrast, July typically enjoys milder conditions, with minimum temperatures starting at 6°C (42°F) and average highs peaking at 27°C (81°F). Both months see a similar amount of precipitation, around 64 mm (2.5 in) in September and 62 mm (2.4 in) in July, with rainfall occurring on about 11 days each. Interestingly, humidity levels remain consistent at 86% for both months, creating a decidedly moist atmosphere regardless of the season. For more details on July's weather, you can check New Ross weather in July.
In comparing the weather between September and August, September tends to be cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 25°C (77°F), averaging around 13°C (56°F). In contrast, August has a milder temperature range, with minimums of 6°C (42°F) and maximums of 24°C (76°F), averaging 15°C (60°F). Additionally, September experiences slightly less precipitation at 64 mm (2.5 in) over 11 days, compared to August's 96 mm (3.8 in) over 14 days, indicating a drier month. Humidity levels remain similar, with September at 86% and August at 85%. For a detailed look at August weather, you can visit New Ross weather in August.
In September, the weather is generally milder, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 25°C (77°F) and an average of 13°C (56°F). The month experiences about 64 mm (2.5 in) of precipitation over approximately 11 days, contributing to a relatively high humidity of 86%. As we transition into October, the temperature drops slightly, with a minimum of -2°C (28°F), an average of 11°C (51°F), and a maximum of 18°C (65°F). October is also wetter, with precipitation reaching 89 mm (3.5 in) over 13 days and humidity remaining similar at 87%. For a closer look at October's weather specifics, check out New Ross weather in October.
Comparing the weather in September and November reveals a notable shift in temperatures and precipitation. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 25°C (77°F), with an average of 13°C (56°F). The month experiences relatively light rainfall, totaling 64 mm (2.5 in) over 11 days. In contrast, November sees a drop in temperatures, with a minimum of -3°C (27°F), an average of 8°C (46°F), and a maximum of 15°C (59°F). This month is also wetter, with 97 mm (3.8 in) of precipitation over 14 days. Notably, both months share a high humidity level of 86%. For more details, you can check New Ross weather in November.
September offers a milder climate with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 25°C (77°F) and an average of 13°C (56°F). The month experiences 64 mm (2.5 in) of precipitation over approximately 11 days, accompanied by high humidity at 86%. In contrast, December brings colder temperatures, with a minimum of -5°C (24°F), an average of 7°C (44°F), and a maximum of 14°C (57°F). This month sees increased precipitation of 103 mm (4.0 in) over 13 days, with humidity slightly lower at 84%. For more details, check out New Ross weather in December.
As September rolls in, New Ross experiences a unique transition, with temperatures beginning to cool from the summer highs, averaging around 13°C while still reaching pleasant peaks of 25°C. This month also marks the onset of increased precipitation, contributing to the region's lush landscapes, with rain gracing the area on nearly half the days. The humidity hovers at a notable 86%, adding a slight heaviness to the air that you won't find in the drier summer months. This shift not only highlights the changing seasons but also invites a more refreshing and vibrant natural scenery. For more detailed insights, explore the full New Ross Climate page.