Last updated: March 17, 2025
September in Graiguenamanagh, Ireland, presents a captivating mix of weather conditions that reflect the transition towards autumn. With maximum temperatures reaching a pleasant 25°C (77°F) and a cooler average of 13°C (56°F), this month offers a variety of experiences for outdoor enthusiasts. However, the temperature can dip as low as 0°C (33°F), highlighting the need for layers. Expect 64 mm (2.5 in) of rainfall over 11 days, contributing to the region's lush landscapes and vibrant greenery. With an humidity level of 86%, Graiguenamanagh's atmosphere feels rich and refreshing, inviting exploration of its scenic beauty during this picturesque time of year.
As September unfolds in Graiguenamanagh, Ireland, the temperatures begin to shift, marking a transition into the autumn season. With a minimum of 0°C (33°F) and a comfortable average of 13°C (56°F), this month offers a refreshing reprieve from the summer heat, presenting daytime highs that can reach up to 25°C (77°F). This gradual cooling trend is evident as the town moves from the warmer August averages to the more moderate September temperatures, inviting residents and visitors alike to enjoy the crisp, invigorating air. As leaves start to change their colors and the landscape begins to shift, September's delightful weather serves as a perfect backdrop for exploring the stunning natural beauty of this charming Irish locale.
In September, Graiguenamanagh experiences an average precipitation of 64 mm (2.5 in) over approximately 11 days of rain. This marks a slight decrease from the more rain-soaked August, which brought 96 mm (3.8 in) across 14 days. September's rainfall, while still significant, reflects a transitional phase as summer wanes and autumn sets in, echoing the pattern of increased precipitation in the months that follow. The generally consistent rainfall throughout the year hints at the region's lush, verdant landscape, maintaining a delicate balance between the abundant showers of winter and the milder, drier spells that characterize the spring and early summer months.
In Graiguenamanagh, Ireland, the month of September continues the trend of high humidity levels, with an average of 86%. This places September alongside the summer months of July and August, reflecting the region's consistent dampness as it transitions into autumn. Interestingly, humidity levels remain elevated throughout the year, often oscillating between 85% and 87%. As the cooler months approach, October nudges the humidity slightly higher to 87%, hinting at a persistent moisture presence that characterizes this charming locale. Overall, the steady humidity throughout the year paints a picture of a climate that is both lush and inviting, making Graiguenamanagh a unique destination for nature enthusiasts and those seeking a tranquil escape.
As summer fades into autumn, September in Graiguenamanagh sees a shift in the UV Index, dropping to 5, which falls under the moderate exposure category. With a burn time of 30 minutes, it’s a reminder that while the sunny days may linger, protecting your skin remains essential. This decrease from the blistering heights of 8 in July and June highlights the gentle transition into the cooler months, yet it’s still vital to stay vigilant. By October, the UV Index will continue its downward trend, settling at 4, further emphasizing the changing seasons. For more details and daily updates, check the Graiguenamanagh UV Index.
UV Risk Categories
In September, Graiguenamanagh basks in the afterglow of summer, having enjoyed a generous 308 hours of sunshine. This month maintains a delightful glow, showcasing a gradual decline from the sun-drenched days of July and August, both exceeding 400 hours. As the seasons transition, September remains robust, outshining the earlier months, such as January and February, with their mere whispers of sunlight at 93 and 150 hours, respectively. The overall trend hints at a pattern where the sun graces the town most generously during the peak summer months, yet September still stands as a radiant farewell to the warmth before the days shorten further into the autumn months.
In Graiguenamanagh, September tends to bring a modest chance of sunny weather, with approximately 19% likelihood of sunshine. This figure marks a dip compared to the brighter months of April, which boasts a 43% chance, and a slight decrease from the end of summer in August, where sunshine chances hold steady at 26%. As autumn sets in, the chances continue to wane, reflecting a general trend of diminishing sun days as we progress through the year. While September may not shine as brightly as the summer months, it still offers a pleasant respite, inviting residents and visitors alike to enjoy the lingering warmth before the chill of October descends.
As summer fades in Graiguenamanagh, September brings a gentle transition in daylight, with 12 hours illuminating the skies. This month marks a noticeable shift from the sun-drenched 16 hours of June and July, gradually steering towards the shorter, dimmer days of autumn. After the vibrant burst of 15 hours in May and the lingering warmth of August’s 14 hours, September invites a more subdued ambiance, foreshadowing the 10 hours of daylight that will soon characterize October. This rhythmic cycle highlights the region's seasonal dance, where each month effortlessly paves the way for the next, painting a vivid picture of nature's changing canvas.
As autumn approaches in Graiguenamanagh, September brings a gentle breeze, with an average wind speed of just 2.9 m/s (6 mph). This slight drop in wind intensity reflects a transition from the more vigorous gusts of summer, where July recorded the year’s lowest speeds. Following the peak of February at 5.2 m/s (12 mph), the overall trend showcases a gradual descent into calmer conditions. This month serves as a reminder that while winter's winds are on the horizon, September holds onto a tranquil charm, creating an inviting atmosphere for exploration and reflection amid the picturesque Irish landscape.
The weather in Graiguenamanagh 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 Graiguenamanagh and find detailed weather information for every month.
In September, the weather tends to be milder with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 25°C (77°F). The month experiences higher rainfall, totaling 64 mm (2.5 in) over 11 days, and humidity levels are high at 86%. In contrast, January is significantly colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 13°C (56°F). Although January sees a bit less precipitation at 48 mm (1.9 in) spread over 10 days, the humidity remains comparable at 85%. For more detailed insights, check out Graiguenamanagh weather in January.
In September, the weather begins to transition from summer to autumn, 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 sees about 64 mm (2.5 inches) of precipitation over approximately 11 days, accompanied by a humidity level of 86%. In contrast, February is much colder, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (58°F) and an average of 6°C (44°F). This month experiences increased precipitation at 92 mm (3.6 inches) over 15 days, yet maintains the same high humidity level of 86%. For more detailed information on February weather, visit Graiguenamanagh weather in February.
In September, weather conditions begin to transition from summer to autumn, with temperatures ranging from a minimum of 0°C (33°F) to a comfortable maximum of 25°C (77°F) and an average of 13°C (56°F). Precipitation is moderate, totaling 64 mm (2.5 in) over approximately 11 days, while humidity remains high at 86%.
In contrast, March typically ushers in the last breath of winter, featuring cooler temperatures that vary from a minimum of -7°C (20°F) to a maximum of 17°C (62°F), with an average of just 7°C (44°F). While it is slightly wetter than September, with 79 mm (3.1 in) of rain over about 15 days, the humidity also sits at 86%. For more details on March conditions, you can check Graiguenamanagh weather in March.
In comparing the weather between September and April, September tends to be slightly warmer with average temperatures ranging from 13°C (56°F) to a maximum of 25°C (77°F), compared to April, where temperatures range from a minimum of -3°C (27°F) to a maximum of 20°C (68°F). Both months experience similar levels of precipitation, with September receiving 64 mm (2.5 in) and April slightly more at 65 mm (2.6 in), though both months see rain on approximately 11 days. Humidity levels are fairly close as well, with September at 86% and April at 85%. For more detailed information about the weather in April, you can visit Graiguenamanagh weather in April.
Comparing the weather in September and May reveals some interesting similarities and differences. 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). Conversely, May experiences slightly cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 23°C (73°F), averaging 11°C (53°F). Precipitation levels are quite similar, with September receiving 64 mm (2.5 in) over 11 days, while May sees 65 mm (2.5 in) across 10 days. Humidity is slightly higher in September at 86%, compared to 83% in May. For a closer look at May weather specifics, check Graiguenamanagh weather in May.
September and June exhibit noticeable differences in weather patterns. September tends to be slightly cooler, with average temperatures ranging from 0°C (33°F) to a maximum of 25°C (77°F), while June offers warmer conditions, boasting a minimum of 5°C (41°F) and a maximum of 28°C (82°F). Precipitation is comparable, with September receiving 64 mm (2.5 in) over 11 days and June experiencing slightly higher precipitation at 67 mm (2.7 in) distributed over 12 days. Humidity levels are similar, with September at 86% and June at 85%. For a detailed look at the weather specifics during June, you can check Graiguenamanagh weather in June.
In comparing the weather of September and July, we notice some distinct differences. September experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 13°C (56°F), while July's temperatures are milder, starting at a minimum of 6°C (42°F) and averaging 16°C (61°F). Although both months have similar levels of precipitation, with September receiving 64 mm (2.5 in) and July slightly less at 62 mm (2.4 in), the humidity remains consistent at 86% throughout. Overall, July tends to feel warmer and more pleasant, making it the preferable month for outdoor activities. For those looking for more information on July weather, you can check Graiguenamanagh weather in July.
Comparing the weather in September and August reveals some notable differences. September typically experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 13°C (56°F), compared to August's milder temperatures that range from a minimum of 6°C (42°F) and an average of 15°C (60°F). While September has a maximum temperature slightly higher at 25°C (77°F) than August's 24°C (76°F), it also sees more precipitation, with 64 mm (2.5 in) over 11 days, compared to August's 96 mm (3.8 in) over 14 days. Humidity levels remain fairly similar, with September at 86% and August at 85%. For a more detailed look at the weather specifics, you can check Graiguenamanagh weather in August.
September offers a milder climate with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 25°C (77°F), providing a pleasant average of 13°C (56°F). The month typically experiences 64 mm (2.5 in) of precipitation over 11 days, while humidity hovers around 86%. In contrast, October brings cooler temperatures with a minimum of -2°C (28°F) and a maximum of 18°C (65°F), resulting in an average of 11°C (51°F). This month sees an increase in precipitation, totaling 89 mm (3.5 in) across 13 days, and a slightly higher humidity level at 87%. To learn more about the weather specifics for October, check out Graiguenamanagh weather in October.
In September, the weather tends to be milder, with temperatures ranging from a low of 0°C (33°F) to a high of 25°C (77°F) and an average of 13°C (56°F). The month sees 64 mm (2.5 in) of precipitation over 11 days, accompanied by high humidity levels of 86%. In contrast, November welcomes colder temperatures, with a minimum of -3°C (27°F) and a maximum of 15°C (59°F), averaging around 8°C (46°F). Precipitation increases to 97 mm (3.8 in) over 14 days, while humidity remains steady at 86%. For a closer look at what to expect, check out Graiguenamanagh weather in November.
September and December showcase distinctly different weather patterns. In September, temperatures range from a cool 0°C (33°F) at night to a pleasant average of 13°C (56°F), peaking at 25°C (77°F) during the day. This month experiences moderate precipitation of 64 mm (2.5 in) spread over 11 days, with humidity levels relatively high at 86%.
In contrast, December's temperatures drop significantly, with minimums reaching -5°C (24°F) and an average of only 7°C (44°F), while daytime highs peak at 14°C (57°F). This month is wetter, with 103 mm (4.0 in) of precipitation over 13 days, and humidity slightly lower at 84%. For more detailed weather information, you can check Graiguenamanagh weather in December. Overall, September feels much milder and drier compared to the colder, wetter December.
As summer gives way to autumn, September in Graiguenamanagh showcases a delightful blend of warm days and cooler nights, offering a unique transition in weather compared to the preceding months. With an average temperature that hovers around a comfortable 13°C, the days remain pleasantly warm, occasionally peaking at a maximum of 25°C, yet nighttime brings a refreshing chill. Rainfall becomes more frequent, with about 11 days experiencing precipitation, contributing to the lush, green landscapes the region is known for. The higher humidity level of 86% serves as a reminder that autumn is on the horizon, making September a month of transformation. For a deeper dive into what Graiguenamanagh has to offer throughout the year, check out the Graiguenamanagh Climate.