Last updated: March 17, 2025
In September, Cashel, Ireland experiences a temperate climate, with maximum temperatures reaching up to 25°C (78°F), ideal for enjoying the lush landscapes. The average temperature sits at a comfortable 13°C (55°F), while chilly nights can drop to a cool 1°C (33°F). This month sees an average precipitation of 69 mm (2.7 in), spread over 12 rainy days, leading to a notably high humidity level of 88%. Visitors can expect a mix of sunny spells and intermittent showers, making September a refreshing time to explore the charming heritage of Cashel.
In September, Cashel, Ireland transitions modestly from summer warmth to autumn coolness. The month begins with pleasant daytime temperatures peaking at around 25°C (78°F), making it a lovely time for outdoor exploration. However, as the month progresses, nights can become chilly, dipping to about 1°C (33°F). With an average temperature of 13°C (55°F), September strikes a balance between the lingering warmth of summer and the impending embrace of fall. This gradual drop in temperatures is a clear sign of the changing seasons, inviting visitors to enjoy the stunning landscapes tinged with autumn hues while still relishing the last vestiges of warm days.
In September, Cashel, Ireland, experiences a moderate precipitation level of 69 mm (2.7 in), which falls just slightly below the summer's peak seen in August. The month is characterized by 12 rainy days, reflecting a transition towards the wetter autumn months. Compared to the earlier months of the year, where precipitation can reach up to 112 mm, September offers a comparatively dry reprieve, suggesting a gradual decrease from the late summer rains. This pattern indicates a consistent trend, where precipitation begins to elevate again in October, hinting at the approaching winter season.
In September, Cashel, Ireland, experiences a notable rise in humidity, reaching 88%—a level reminiscent of the winter months. This trend illustrates the gradual transition from the warmth of summer, where average humidity hovers around 85%, back to the more moisture-laden autumn conditions. Notably, while the humidity peaks during the colder months of October and November, September serves as a bridge, blending the lingering warmth of summer with the approaching cooler, wetter season. The consistency of high humidity throughout the year, particularly from January to November, speaks to Cashel's climate, where moisture plays a defining role in shaping the landscape and atmosphere.
As summer transitions into autumn, the UV Index in Cashel, Ireland takes a noticeable dip in September, reflecting the shifting sunlight and seasonal changes. With a moderate UV Index of 5, this month offers a balanced approach to sun exposure, requiring about 30 minutes to burn for those with lighter skin. This is a slight decrease from August's high index of 7, making it a more comfortable time to enjoy the outdoors without as much urgency for sun protection. Despite the moderation, it's essential to remain vigilant, as UV rays can still pose risks during this time. For those planning outdoor activities this September, be sure to check out the detailed information available at Cashel UV Index to stay safe under the sun.
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In September, Cashel, Ireland, basks in a delightful 285 hours of sunshine, marking a beautiful transition into the autumn months. This period showcases a gradual decline from the sun-drenched summer of July and August, which boast an impressive 381 and 337 hours, respectively. The shift in September reflects a characteristic trend: while the days grow shorter, the warmth of late summer lingers, providing a gentle glow before the more subdued light of October with its 228 hours. As the year turns, September serves as a vibrant reminder of the sunny days enjoyed earlier, perfectly encapsulating the essence of an Irish autumn.
In September, the likelihood of sunny weather in Cashel, Ireland, drops to 17%, marking it as one of the less favorable months for sunshine compared to the spring and early summer. Following a trend seen in the preceding months, which generally feature a higher probability of sunny days in April at 43%, the gradual decline in sun chances continues, with September lagging behind with only a flicker of sunshine. This pattern highlights a shift toward the gloomier days of autumn, suggesting that if you're hoping for bright skies, it might be best to plan your visit earlier in the year when chances of sunshine are notably higher.
In September, Cashel, Ireland, enjoys a comfortable 12 hours of daylight, signaling the gradual shift from the long, sunlit days of summer to the shorter, cozy evenings of fall. Following a peak of 16 hours in June and July, daylight begins to wane, but September still offers an ample amount of sunlight to enjoy outdoor activities and appreciate the changing colors of the landscape. This transition sets the stage for the inevitable arrival of autumn, as the hours of daylight diminish further in October and beyond, marking the close of the vibrant summer season. The gradual decrease in daylight not only reflects the changing seasons but also invites a moment for reflection and appreciation of nature’s rhythm.
As September unfolds in Cashel, Ireland, the gentle whisper of the wind marks the transition into autumn. With an average wind speed of 2.8 m/s (6 mph), it maintains a serene and relaxed pace, subtly less than the summer months. This slight reduction in wind intensity follows a consistent pattern seen throughout the year, where the breezes of spring and early summer, peaking in May at 3.4 m/s (8 mph), gradually give way to calmer conditions by late summer. As the year progresses, the wind begins to pick up again in October, hinting at a seasonal shift. Residents and visitors alike can enjoy the tranquil atmosphere that September brings, a perfect backdrop for exploring the stunning scenery of this historic town. The brisk yet mild winds invite moments of reflection, as nature begins its slow dance into the vibrant hues of fall.
The weather in Cashel 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 Cashel and find detailed weather information for every month.
In September, temperatures in Cashel typically range from a chilly 1°C (33°F) at night to a warm 25°C (78°F) during the day, with an average of 13°C (55°F). The month experiences around 69 mm (2.7 in) of precipitation over approximately 12 days, coupled with high humidity at 88%. In contrast, January brings colder temperatures, with nighttime lows dipping to -6°C (22°F) and daytime highs peaking at 13°C (56°F); the average temperature sits at 5°C (42°F). Precipitation in January is slightly less, totaling 62 mm (2.4 in) over about 11 days, while humidity remains consistently high at 88%. For more detailed information, you can check Cashel weather in January.
In comparing the weather between September and February, September offers a wider range of temperatures, with a minimum of 1°C (33°F) and a maximum of 25°C (78°F), averaging around 13°C (55°F). This month also sees relatively less precipitation, totaling 69 mm (2.7 in) over about 12 days, while humidity remains consistently high at 88%. In contrast, February experiences cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 14°C (58°F), averaging 6°C (43°F). Additionally, February is wetter, with 112 mm (4.4 in) of precipitation over 17 days, yet maintains the same high humidity level of 88%. For more specific details on February weather, you can check Cashel weather in February.
September and March exhibit contrasting weather patterns, highlighting the transition from late summer to early spring. In September, temperatures range from a minimum of 1°C (33°F) to a maximum of 25°C (78°F), with an average of 13°C (55°F) and relatively high humidity at 88%. Conversely, March sees lower temperatures, with a minimum of -8°C (18°F) and a maximum of 17°C (62°F), resulting in an average of just 6°C (43°F) and slightly lower humidity at 87%. Precipitation is also more prevalent in March, with 98 mm (3.9 in) over 17 days, compared to 69 mm (2.7 in) over just 12 days in September. For more specific details about March weather, you can check Cashel weather in March.
In September, the weather tends to be milder with average temperatures ranging from a minimum of 1°C (33°F) to a maximum of 25°C (78°F), while April sees cooler conditions with temperatures dipping as low as -4°C (26°F) and peaking at 20°C (68°F). Both months experience similar levels of precipitation, with September receiving 69 mm (2.7 in) over approximately 12 days and April slightly less at 65 mm (2.6 in) over about 11 days. Humidity levels are comparable as well, standing at 88% in September and 86% in April, making both months feel rather moist. For more detailed information about the weather specifics in April, you can check Cashel weather in April.
September and May present a transition in weather patterns, with September typically offering warmer temperatures. In September, the minimum temperature hovers around 1°C (33°F), with an average of 13°C (55°F) and a maximum reaching 25°C (78°F). In contrast, May experiences slightly cooler temperatures, with a minimum of -2°C (30°F), an average of 11°C (52°F), and a maximum of 24°C (76°F). Both months see similar precipitation levels, with September totaling 69 mm (2.7 in) and May at 71 mm (2.8 in), each accompanied by about 12 days of rainfall. The humidity is slightly higher in September at 88% compared to May’s 83%. For more details on May weather, check Cashel weather in May.
The weather in September tends to be cooler compared to June, with average temperatures ranging from a minimum of 1°C (33°F) to a maximum of 25°C (78°F), while June experiences slightly warmer conditions with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 29°C (84°F). Both months have similar levels of precipitation, with September receiving 69 mm (2.7 in) over 12 days and June slightly less at 68 mm (2.7 in) over 13 days. However, September exhibits higher humidity at 88% compared to June's 83%, making the early autumn feel more damp. For a detailed look at the weather specifics, check out Cashel weather in June.
In comparing the weather of September and July, September experiences cooler temperatures, with a minimum of 1°C (33°F) and an average of 13°C (55°F), while July boasts warmer conditions, seeing a minimum of 6°C (43°F) and an average of 16°C (60°F). The maximum temperature in September reaches 25°C (78°F), slightly lower than July's peak of 28°C (82°F). Additionally, September tends to be more humid at 88%, compared to July's 85%. Both months see a similar amount of precipitation, although July has a slightly higher total of 76 mm (3.0 in) over 13 days, compared to September's 69 mm (2.7 in) over 12 days. For more insights, check out Cashel weather in July.
In comparing the weather of September and August, September presents slightly cooler temperatures with a minimum of 1°C (33°F) and an average of 13°C (55°F), while August features warmer lows of 5°C (41°F) and an average of 15°C (59°F). Both months have similar maximum temperatures, with September reaching 25°C (78°F) and August slightly lower at 24°C (76°F). However, September experiences more frequent precipitation over 12 days, totaling 69 mm (2.7 in), compared to August's rainfall of 103 mm (4.1 in) spread over 17 days. Humidity is slightly higher in September at 88% compared to August's 85%. For more detailed insights into the weather patterns, you can check Cashel weather in August.
September offers a milder climate with average temperatures ranging from 1°C (33°F) to a high of 25°C (78°F), while October ushers in cooler weather, featuring temperatures from a minimum of -3°C (28°F) to a maximum of 18°C (66°F). Additionally, October sees an increase in precipitation, with a total of 104 mm (4.1 in) over 14 days, compared to September's 69 mm (2.7 in) over 12 days. Humidity also rises slightly in October, reaching 91% compared to September's 88%. For a more detailed look at the weather patterns, visit Cashel weather in October.
September and November present distinct contrasts in weather patterns. In September, temperatures range from a minimum of 1°C (33°F) to a maximum of 25°C (78°F), with an average of 13°C (55°F), making it generally warmer than November. However, November is colder, with temperatures dipping as low as -3°C (27°F) and averaging 7°C (45°F). Additionally, November experiences slightly higher precipitation at 90 mm (3.6 in) over 15 rainy days compared to September's 69 mm (2.7 in) over 12 days. Humidity levels also rise in November to 92%, slightly higher than September's 88%. For a more detailed look at the weather specifics in November, you can refer to Cashel weather in November.
In September, temperatures range from a refreshing 1°C (33°F) at night to a warm 25°C (78°F) during the day, with an average of 13°C (55°F). The month experiences a moderate amount of rainfall, totaling 69 mm (2.7 in) over approximately 12 days, and maintains a high humidity level of 88%. In contrast, December brings much colder temperatures, with nightly lows of -5°C (24°F) and daytime highs peaking at 14°C (57°F), averaging 6°C (43°F). Rainfall increases to 113 mm (4.4 in) over 16 days, while humidity slightly rises to 89%. For more information on December weather specifics, you can check Cashel weather in December.
As September rolls in, Cashel experiences a distinct shift in weather, marking the transition from the warmth of summer to the cooler embrace of autumn. With an average temperature that dips significantly and high humidity levels, the month feels particularly brisk, especially during the nights and early mornings. While occasional rain showers are more frequent, contributing to the total precipitation over a smaller number of days, it's clear that the weather contrasts sharply with the dryer, sunnier days of summer. For an in-depth understanding of how September fits into the broader context of Cashel’s climate, visit Cashel Climate.