Last updated: March 17, 2025
Kells, Ireland, in September offers a dynamic weather experience with temperatures ranging from a pleasant 24°C (76°F) at its peak to a cool 2°C (36°F) at night. The average temperature settles at 13°C (56°F), making it an ideal time for outdoor activities—though visitors should be prepared for rain, as the month sees about 76 mm (3.0 in) of precipitation over 12 days. With humidity levels at 86%, the air can feel quite damp, adding to the lush, green landscapes characteristic of this charming location. Embrace the crisp autumn feel as Kells transitions into the fall season!
September in Kells, Ireland marks a transition from the summer warmth to the crispness of autumn. With minimum temperatures dropping to about 2°C (36°F), the days begin to feel noticeably cooler. The average temperature holds steady at 13°C (56°F), offering a comfortable climate for outdoor activities while the maximum reaches a pleasant 24°C (76°F), reminiscent of late summer. This month serves as a bridge, showcasing a gradual shift towards the cooler months ahead while still allowing for occasional sunny days—perfect for exploring Kells' historic charm amidst the vibrant hues of fall.
September in Kells, Ireland, typically ushers in a moderate shift in weather, with average precipitation measuring 76 mm (3.0 in) over about 12 days. This makes it a bit drier than the preceding month of August, which is often characterized by heavier rainfall totaling 115 mm (4.5 in) across 17 days. As summer transitions into autumn, September firmly establishes itself within the pattern of slightly easing rain, reflecting a general trend of decreasing precipitation from the peak levels seen in August. The steady drop in the number of wet days continues into October, hinting at a gradual shift in seasonal weather dynamics while still retaining a sufficient amount of moisture that nourishes the lush greenery characteristic of Ireland.
In Kells, Ireland, September showcases a humidity level of 86%, aligning perfectly with the trend established over the previous months. This consistency suggests a continuation of the lush, moisture-rich atmosphere typical of late summer, which persists from July to September. As autumn approaches, the humidity begins its gradual ascent toward winter, peaking at 87% in October. Notably, Kells experiences a slight dip in humidity from May to August, yet it remains relatively stable throughout the year, with levels hovering around the mid-80s. This climate fosters a vibrant and green landscape, making Kells as picturesque as ever during this humid month.
As summer transitions to autumn in Kells, Ireland, the UV Index in September reflects a shift towards more moderate conditions, registering at 5. This marks a decrease from the peak summer values of 8 seen in July and June, where sun exposure was categorized as very high and burn times were drastically reduced to just 15 minutes. In contrast, with a UV Index of 5, September allows for a safer outdoor experience, with a recommended burn time of 30 minutes. This change signals a gradual retreat from the intense sun, making outdoor activities more enjoyable without the immediate risks of sunburn prevalent in the height of summer. For those keen on staying abreast of UV levels, the detailed insights are available at Kells UV Index.
UV Risk Categories
As summer fades into autumn, September in Kells, Ireland offers a gentle transition marked by 266 hours of sunshine. This month follows the vibrant glow of August, which boasted an impressive 298 hours of sunlight, creating a rich backdrop for late summer activities. While September sees a decrease in daylight hours, it still surpasses the early months of the year, such as January with a mere 75 hours. The gradual decline from the sun-drenched days of May and June—which each enjoyed over 350 hours—shows how Kells elegantly shifts seasons, embracing the crisp air and golden hues of autumn while still basking in a generous amount of sunshine.
In Kells, Ireland, the likelihood of sunny weather sees a noticeable dip in September, with only an 18% chance of sunshine. This marks a continuation of the generally low percentages experienced during the summer months, where July and August also reflect limited sunny days at 26% and 21%, respectively. Interestingly, this trend persists into the autumn, as both October and December follow closely behind, each with an 17% chance of clear skies. While the blossom of spring in April offers a more encouraging 38% chance of sun, it seems that by the time September rolls around, Kells is settling into the more typical overcast conditions that characterize the Irish climate.
As summer's warmth fades, September in Kells, Ireland ushers in a notable shift in daylight, with the hours dropping to 12 hours of sunlight per day. This month serves as a gentle transition from the long, sunlit days of June and July, which boasted an impressive 16 hours. Following the peak of summer, August sees a decrease to 14 hours, paving the way for September's further reduction. The gradual shortening of days reflects the approach of autumn, leading into October's 10 hours and the winter months that follow, where daylight dwindles to a mere 7 hours by December. This pattern illustrates the rhythmic cycle of seasons, where each month encapsulates its own unique charm within nature's ever-evolving canvas.
As September unfurls in Kells, Ireland, the winds whisper a gentle reminder of summer's fading embrace, with an average speed of 3.2 m/s (7 mph). While the gusts are slightly calmer than the summer's peak—where July recorded the year’s lowest at 2.5 m/s (6 mph)—the winds maintain a soft consistency that characterizes this transitional month. Following the fluctuating speeds of the preceding months, which saw February peak at 5.2 m/s (12 mph), September's breezes herald the onset of autumn, as they prepare to gradually increase in strength, returning to 4.2 m/s (9 mph) in October. This subtle shift serves as nature's way of signaling change, inviting both locals and visitors to savor the crisp air and the vibrant hues of the transforming landscape.
The weather in Kells 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 Kells and find detailed weather information for every month.
In September, the weather is generally milder and more pleasant, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 24°C (76°F), and an average of 13°C (56°F). It's typically a wetter month, receiving about 76 mm (3.0 in) of precipitation over 12 days, coupled with high humidity at 86%. In contrast, January features colder temperatures, with a minimum of -5°C (23°F), a maximum of 14°C (57°F), and an average of 5°C (42°F). Precipitation is slightly lower at 57 mm (2.2 in) across 10 days, while the humidity remains similarly high at 85%. For more specific details, you can check this link: Kells weather in January.
September and February present contrasting weather patterns, despite sharing a similar humidity level of 86%. In September, temperatures range from a minimum of 2°C (36°F) to a pleasant maximum of 24°C (76°F), making it a generally warmer month with an average of 13°C (56°F). However, it sees a fair amount of rainfall, with 76 mm (3.0 in) spread over 12 days. In stark contrast, February experiences colder temperatures, dipping as low as -4°C (25°F) and averaging 6°C (43°F) during the day, while peaking at 16°C (61°F). It also receives slightly more precipitation at 93 mm (3.6 in) over 15 days. This shift underscores the transition from late summer warmth to the chill of winter. For more detailed weather insights, check out Kells weather in February.
September and March present contrasting weather patterns, reflecting the transition from late summer to early spring. In September, temperatures range from a mild 2°C (36°F) at night to a pleasant maximum of 24°C (76°F) during the day, with an average of 13°C (56°F). Although precipitation is somewhat frequent, falling on about 12 days, the overall humidity remains consistently high at 86%.
In contrast, March greets us with colder conditions, where nighttime temperatures can drop to -5°C (24°F) and daytime highs reach only 17°C (63°F), resulting in a lower average of 7°C (44°F). Rainfall is slightly heavier, with 85 mm (3.4 in) expected over approximately 16 days, yet the humidity remains steady at 86%. For more detailed information about March weather specifically, you can visit Kells weather in March.
September and April present contrasting weather patterns, reflecting the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 24°C (76°F), with an average of 13°C (56°F), while April's temperatures vary more significantly, with a minimum of -2°C (28°F) and a maximum of 21°C (70°F), averaging around 8°C (48°F). September experiences higher precipitation levels at 76 mm (3.0 in) over 12 days, compared to April's 50 mm (2.0 in) across 10 days. Interestingly, both months maintain similar humidity levels, with September at 86% and April at 85%. For a closer look at the climate in April, check out Kells weather in April.
In comparing the weather of September and May, both months experience similar maximum temperatures of 24°C (76°F), but September tends to be warmer overall, with an average temperature of 13°C (56°F) compared to May's average of 11°C (53°F). September also sees slightly higher minimum temperatures, with a low of 2°C (36°F) versus May's -1°C (30°F). Precipitation levels are somewhat comparable, with September receiving 76 mm (3.0 in) and May only slightly less at 71 mm (2.8 in), both occurring over approximately 12 days. The humidity, while elevated in both months, is marginally higher in September at 86% compared to May's 83%. For a closer look at May's weather, check out Kells weather in May.
In comparing the weather of September and June, we see notable differences in temperatures and precipitation patterns. September tends to be cooler, with minimum temperatures dropping to 2°C (36°F) and an average high of 24°C (76°F), while June boasts slightly warmer temperatures, with a minimum of 4°C (39°F) and a maximum of 29°C (84°F). Both months experience a considerable amount of rainfall, with September receiving 76 mm (3.0 in) over 12 days and June slightly higher at 83 mm (3.3 in) across 15 days. Humidity levels are quite similar, hovering around 86% in September and 85% in June. For a more detailed look at June weather specifics, you can check out Kells weather in June.
When comparing the weather in September and July, notable differences emerge in temperature and overall climate. September features a cooler range, with minimum temperatures around 2°C (36°F) and an average of 13°C (56°F), peaking at 24°C (76°F). In contrast, July enjoys milder conditions, presenting a minimum of 7°C (45°F) and an average of 16°C (61°F), with maximums reaching 28°C (83°F). Both months experience similar precipitation levels, around 76-78 mm, with rain expected on approximately 12 days. Humidity remains consistent at 86% during both months, contributing to a damp feel in the air. For more insights on July weather, visit Kells weather in July.
September typically experiences cooler temperatures compared to August, with minimums dropping from 6°C (44°F) in August to 2°C (36°F) in September. While average temperatures remain similar, the maximum temperature in both months is comparable at around 24°C (75°F to 76°F). However, September has less precipitation overall, with 76 mm (3.0 in) over 12 days, compared to August's 115 mm (4.5 in) over 17 days. Humidity levels are quite similar, slightly higher in September at 86% compared to 85% in August. For more detailed information on August weather, you can visit Kells weather in August.
September in Kells typically experiences milder temperatures, with a minimum of 2°C (36°F) and an average of 13°C (56°F), peaking at a warm 24°C (76°F). The month sees around 76 mm (3.0 in) of precipitation over about 12 days, and humidity levels hover around 86%. In contrast, October heralds the transition into cooler weather, with minimum temperatures dropping to -1°C (31°F) and an average of 10°C (51°F), while the maximum temperature reaches 20°C (68°F). Precipitation slightly increases to 82 mm (3.2 in) over 14 days, and humidity rises to 87%. For more details on October weather, you can visit Kells weather in October.
September typically experiences milder temperatures with a minimum of 2°C and an average high of 24°C, making it a comfortable month for outdoor activities. In contrast, November sees colder temperatures, with a minimum dropping to -2°C and an average maximum of only 15°C, signaling the onset of winter. Both months share similar humidity levels of 86%, but November tends to have slightly more precipitation at 86 mm over 15 days, compared to September's 76 mm over 12 days. For more detailed information, you can visit Kells weather in November.
September and December exhibit notable differences in weather patterns. In September, temperatures range from a mild 2°C (36°F) at night to a warm 24°C (76°F) during the day, with an average of 13°C (56°F). The month experiences significant humidity at 86%, accompanied by 76 mm (3.0 in) of precipitation over roughly 12 days. In contrast, December sees colder conditions, with temperatures dropping to a minimum of -3°C (27°F) and an average of just 6°C (43°F), peaking at 13°C (56°F). Precipitation increases to 93 mm (3.6 in) across 15 days, while humidity remains relatively high at 84%. For a closer look at what to expect, you can visit Kells weather in December.
As September arrives in Kells, the weather starts to shift noticeably from the warmer summer months. With an average temperature of 13°C (56°F), the days are still pleasant but cooler, making it a perfect time to enjoy the outdoors. While you're unlikely to experience the sweltering heat of summer, the occasional highs reaching 24°C (76°F) remind us of the lingering warmth. However, increased humidity at 86% coupled with 76 mm (3.0 in) of rainfall spread over 12 days signifies a transition toward the wetter autumn months. This blend of mild temperatures and seasonal rain adds a unique charm to Kells in September, making it an ideal time for those who enjoy a mix of sunny and showery days. For more detailed insights, head over to Kells Climate.