Last updated: March 17, 2025
September in Killaloe, Ireland offers a delightful mix of mild and refreshing weather. With daytime temperatures peaking at 26°C (80°F), the month presents a pleasant average of 13°C (56°F), while the evenings can dip as low as 1°C (35°F). Although rainfall is abundant, with 85 mm (3.4 in) spread over 15 days, the high humidity levels at 88% contribute to the lush greenery that beautifies this picturesque town. Embrace the shifting seasons as you explore the vibrant landscapes and cozy atmospheres that September in Killaloe has to offer.
In Killaloe, Ireland, September marks a delightful transition as summer gently yields to autumn. The temperatures begin to moderate, with minimums around 1°C (35°F) and a comfortable average of 13°C (56°F). Daytime highs can still reach up to 26°C (80°F), inviting lingering warmth and occasional sun-filled days. This month bridges the gap between the briskness of September's nights and the still-warm afternoons reminiscent of summer's peak, creating a picturesque setting that encourages outdoor activities and exploration of the scenic Irish landscape. As the days start to shorten and the air turns crisper, the charm of Killaloe truly comes alive in September.
September in Killaloe marks a transition as summer's warmth gives way to the embrace of autumn. With an average precipitation of 85 mm (3.4 in) spread over 15 days, this month stands out for its moderate rainfall, becoming the fifth wettest of the year. The wetness is a prelude to the more substantial rainfall of October, which averages 102 mm (4.0 in). Notably, September's moisture levels are slightly less than August's peak of 120 mm (4.7 in), yet the regularity of rain during this time helps maintain the region's lush landscapes. As the days grow shorter and cooler, the rainfall plays a crucial role in nourishing the vibrant ecosystems that characterize Killaloe, setting the stage for the rich colors of fall.
In September, Killaloe, Ireland, boasts a humidity level of 88%, aligning it with the abundant moisture characteristic of the earlier months of the year. This slight increase from the summer months, where humidity averages around 85%, signals the onset of autumn, as the atmosphere starts to feel crisper yet remains comfortably humid. Notably, September's humidity mirrors that of January and February, illustrating a cyclical pattern where the air retains its dampness throughout the year, culminating in the most humid months of October and November. As the seasons transition, this persistence of humidity underscores the lush, verdant landscapes for which Ireland is famed, keeping the charm of Killaloe alive even as summer wanes.
As summer fades into autumn in Killaloe, Ireland, the September UV Index settles at a moderate 5, offering a pleasant yet cautious reminder of the sun’s strength. This represents a decline from the peak of 8 in the height of summer, paralleling the gradual decrease in burn time to 30 minutes. As autumn approaches, it's crucial to remain vigilant about sun exposure; even moderate levels can still pose risks to unprotected skin. The transition from high summer UV levels to the more temperate conditions of September highlights the shifting seasons, inviting outdoor enjoyment while underscoring the need for protective measures. For more detailed information on UV levels throughout the year, visit Killaloe UV Index.
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September in Killaloe, Ireland, beautifully bridges the vibrant summer and the mellow onset of autumn, boasting an impressive 271 hours of sunshine. As the days begin to cool, this month still echoes the warmth of July and August, which enjoyed a generous 368 and 314 hours, respectively. The steady decline in sunlight hours from the peak of May’s 371 hours signals nature’s shift, yet September remains a charming haven for outdoor activities, just before the shorter days of fall take hold. With its rich tapestry of sunny days, this month invites both locals and visitors to savor the last golden rays before the winter months loom, with October presenting a notable drop to 218 hours. Embrace September's lingering warmth in this picturesque Irish village; it’s a perfect time to explore the scenic landscapes that make Killaloe truly enchanting.
In Killaloe, Ireland, the likelihood of sunny weather in September takes a dip, with just a 16% chance of sunshine. This decline is notably in contrast to the more optimistic forecasts seen in the earlier months of April and May, which boast chances of 44% and 29%, respectively. As summer fades, the generally lower probabilities of sunshine continue into October and November, making September one of the more overcast months. While the warmth of summer lingers in the air, residents and visitors alike should be prepared for occasional gray skies as autumn begins to set in.
In September, daylight hours in Killaloe, Ireland, begin to wane as summer fades, offering 12 hours of sunlight—a notable decrease from the 14 hours basking in glory just a month prior. This transition reflects a steady decline in daylight leading into autumn, following an uplifting peak in June and July when the sun graced the landscape for 16 hours each day. As we move into the cooler months, daylight will continue to diminish, paving the way for more intimate evenings and the cozy comforts of fall. This rhythm of light not only marks the changing seasons but also invites us to savor the last warm days before winter's embrace.
As September sweeps into Killaloe, the gentle breeze reflects a slight cooling trend with an average wind speed of 3.0 m/s (7 mph). This month marks a subtle dip from the summer's more lively gusts, where July saw the calmest winds at 2.5 m/s (6 mph), followed by modest increases in early autumn. The winds begin to pick up slightly in October, hinting at a transition into the more blustery months ahead. Overall, September embodies a tranquil shift, where the air carries the promise of autumn's arrival, weaving through the scenic landscapes of this picturesque Irish town.
The weather in Killaloe 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 Killaloe and find detailed weather information for every month.
September and January showcase contrasting weather patterns. In September, temperatures range from a mild 1°C (35°F) at night to a warm 26°C (80°F) during the day, with an average of 13°C (56°F). The month experiences 85 mm (3.4 in) of precipitation over 15 days, accompanied by high humidity levels at 88%. In contrast, January is much colder, with temperatures dipping as low as -5°C (23°F) and peaking at a modest 14°C (57°F), resulting in an average of 6°C (43°F). This winter month sees less precipitation, totaling 71 mm (2.8 in) over 12 days, while maintaining the same high humidity of 88%. For more details on weather conditions in January, check out Killaloe weather in January.
September and February present quite distinct weather patterns. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 26°C (80°F), with an average of 13°C (56°F). The month sees approximately 85 mm (3.4 in) of precipitation over about 15 days, with humidity remaining relatively high at 88%. In contrast, February experiences colder conditions, with temperatures ranging from -4°C (26°F) to 15°C (59°F) and an average of 6°C (43°F). This month has higher precipitation at 117 mm (4.6 in) over 17 days, but the humidity remains consistent at 88%. For more detailed insights on February weather, you can visit Killaloe weather in February.
In comparing the weather of September and March, we see notable differences in temperature and precipitation patterns. September boasts a milder climate with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 26°C (80°F), while March is cooler, with temperatures ranging from a low of -6°C (21°F) to a high of 17°C (63°F). Additionally, September experiences about 85 mm (3.4 in) of precipitation over 15 days, making it slightly drier than March, which receives 104 mm (4.1 in) of rain throughout 18 days. Humidity levels are fairly similar, with September at 88% and March at 87%. For a more detailed look at the climate specifics, check out Killaloe weather in March.
In September, the weather tends to be warmer, with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 26°C (80°F), making it more comfortable for outdoor activities. The month also experiences more rainfall, with 85 mm (3.4 in) spread over 15 days, contributing to a relatively high humidity level of 88%. In contrast, April's temperatures are cooler, ranging from a minimum of -2°C (28°F) to a maximum of 21°C (70°F), and it receives less precipitation at 57 mm (2.3 in) over 11 days. The humidity in April is slightly lower at 86%, providing a more refreshing feel. For a detailed look at April weather conditions, you can visit Killaloe weather in April.
In comparing the weather of September and May, September tends to offer slightly warmer conditions with average temperatures reaching 13°C (56°F) compared to May's average of 11°C (53°F). The maximum temperature in September can rise to 26°C (80°F), while May sees a peak of 25°C (77°F). Precipitation levels are slightly higher in September, with 85 mm (3.4 in) falling over an average of 15 days, compared to May's 73 mm (2.9 in) over 13 days. Both months experience high humidity, with September at 88% and May slightly lower at 83%. For a closer look at the specifics of May weather, check out Killaloe weather in May.
When comparing the weather in September and June, it's evident that both months feature mild temperatures, but with distinct differences. September experiences a temperature range from 1°C (35°F) to a maximum of 26°C (80°F), with an average temperature of 13°C (56°F). In contrast, June starts slightly warmer, with minimum temperatures at 4°C (40°F) and maximums reaching 30°C (86°F), resulting in an average of 14°C (57°F). Rainfall is also noteworthy; September receives 85 mm (3.4 in) of precipitation over 15 days, while June has slightly less rain at 72 mm (2.8 in) but shares the same number of rainy days. Humidity levels are relatively high in both months, at 88% in September and 83% in June, making both months feel quite moist. For more specifics about June weather, you can check out Killaloe weather in June.
In comparing the weather conditions between July and September, we note several differences. July typically experiences warmer temperatures, with a minimum of 7°C (44°F) and an average of 16°C (61°F), peaking at 28°C (83°F). In contrast, September shows a cooler range, starting at a minimum of 1°C (35°F) and averaging 13°C (56°F), reaching a maximum of 26°C (80°F). Additionally, while July has slightly less precipitation at 79 mm (3.1 in) over 13 days, September sees an increase with 85 mm (3.4 in) over 15 days. Humidity levels are comparable, at 85% in July and slightly higher at 88% in September. More details about July's climate can be found at Killaloe weather in July.
In comparing the weather of September to that of August, it is evident that September experiences cooler temperatures overall, with a minimum of 1°C compared to August's 6°C. The average temperature in September is 13°C, slightly lower than August's 15°C, while the maximum temperature in September reaches 26°C, higher than August's maximum of 24°C. Additionally, September sees more precipitation days (15) than August (19), but August has a greater total rainfall at 120 mm compared to September's 85 mm. Humidity levels are slightly higher in September at 88%, compared to August's 85%. For a detailed look at August weather, you can visit Killaloe weather in August.
September and October present a noticeable shift in weather patterns. In September, temperatures range from a mild 1°C (35°F) at their minimum to a pleasant 26°C (80°F) at their maximum, averaging around 13°C (56°F). This month experiences about 85 mm (3.4 in) of precipitation over 15 days, and humidity is relatively high at 88%. As October arrives, the temperatures drop further, with minimums reaching 0°C (32°F) and a maximum of only 19°C (67°F), averaging at 10°C (51°F). Precipitation increases slightly to 102 mm (4.0 in) across 16 days, while humidity rises to 91%. This transition marks October as a cooler, wetter month compared to September. For more details on October weather, visit Killaloe weather in October.
In September, the weather is generally warmer with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 26°C (80°F), and an average of 13°C (56°F). Rainfall is significant, averaging 85 mm (3.4 in) over about 15 days, and humidity is quite high at 88%. In contrast, November sees a drop in temperatures, with a minimum of -3°C (28°F) and a maximum of 16°C (60°F), averaging 8°C (46°F). Precipitation increases slightly to 95 mm (3.8 in) over the same number of rainy days, with humidity rising to 92%. For more details on the weather specifics, check out Killaloe weather in November.
In September, temperatures in the region typically range from a minimum of 1°C (35°F) to a maximum of 26°C (80°F), averaging around 13°C (56°F). The weather is relatively moist with 85 mm (3.4 in) of precipitation spread over about 15 days, and the humidity hovers at 88%. In contrast, December brings chillier conditions, with temperatures dipping from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), resulting in an average of 7°C (44°F). Precipitation increases to 118 mm (4.7 in) over approximately 18 days, with humidity slightly higher at 89%. For more detailed information on December weather, you can visit Killaloe weather in December.
As summer draws to a close, September in Killaloe offers a unique blend of warm days and crisp evenings, standing out from the milder summer months. With an average temperature that cools down significantly, this month transitions into autumn while still holding onto some warmth, creating a refreshing atmosphere. Unlike the drier summer spell, September sees increased humidity and a fair share of rain, with nearly half the month experiencing precipitation. These changes invigorate the lush landscapes, paving the way for colorful fall foliage. For more insights on the weather patterns throughout the year, visit Killaloe Climate.