Last updated: March 17, 2025
In September, Athenry, Ireland experiences a unique blend of weather characteristics that define the arrival of autumn. With maximum temperatures soaring up to 26°C (79°F), the days can still feel warm, while the average temperature settles at a cool 13°C (56°F). Nights can be brisk, with temperatures dipping to as low as 1°C (34°F). The month sees 80 mm (3.1 in) of rain spread over 15 days, contributing to the region's lush greenery. This period also brings a high humidity level of 88%, creating a refreshing yet damp atmosphere that is quintessentially Irish. Whether you enjoy the lingering warmth of late summer or the refreshing chill of impending autumn, September in Athenry offers a captivating weather experience.
As September arrives in Athenry, Ireland, the temperatures start to cool down, heralding the transition into autumn. The month typically sees minimum temperatures around 1°C (34°F), providing a crisp start to fall, while average highs can reach up to 26°C (79°F), offering pleasant, albeit shorter, warm days. This fluctuation in temperature showcases the tail end of summer warmth, making way for more refreshing evenings. While the average temperature sits at a comfortable 13°C (56°F), it’s clear that September strikes a balance between lingering warmth and the approaching chill, encouraging locals and visitors alike to enjoy outdoor activities before the colder months take hold.
September in Athenry, Ireland, brings a moderate precipitation total of 80 mm (3.1 inches), accompanied by rainfall on 15 days of the month. This marks a slight decrease from the more robust summer months, with August recording a notable 118 mm (4.7 inches) over 19 days. As the year transitions into autumn, the weather becomes increasingly fickle, with September serving as a bridge between the lush green of summer and the impending chill of winter. Overall, the precipitation patterns hint at a gradual return to the typical Irish dampness, as October soon follows with 107 mm (4.2 inches) expected over 17 days, signifying the onset of the wetter season ahead.
As autumn approaches in Athenry, Ireland, September sees a return to higher humidity levels, measuring at 88%. This month marks a notable trend, aligning with the consistently elevated humidity of the earlier months, particularly January and February, which also recorded 88%. While spring and early summer brought slightly lower readings, the transition into fall brings back a familiar mugginess, setting the stage for a damp and cool season. Looking ahead, the humidity continues to rise, peaking in November at 92%, suggesting that residents can expect a persistently moist climate as the year draws to a close.
As September rolls into Athenry, Ireland, the UV Index reflects a transition towards more moderate sun exposure, settling at 5, which falls into the moderate category. This marks a notable decline from the very high levels experienced in the peak summer months of June and July, where the burn time dropped to just 15 minutes. Although the UV Index in September is still higher than the winter months, it allows for a safer outdoor experience, with a reasonable 30 minutes before risks of sunburn increase. As autumn approaches, the need for sun protection remains essential, especially during midday hours. For ongoing updates and specifics, explore the detailed insights at Athenry UV Index.
UV Risk Categories
As September graces Athenry, the sun continues to shine brightly, offering a generous 275 hours of sunshine—a vibrant closure to the summer season. Following the peak of summer in July, where sunlight reached an impressive 375 hours, this month reflects a gentle decline that heralds the arrival of autumn. Yet, compared to the darker months of October and November, which see a sharp drop to 217 and 113 hours respectively, September’s warmth lingers delightfully. With the days still long and inviting, Athenry's September sun invites both locals and visitors to bask in its fading glow before the chill of winter settles in.
In Athenry, Ireland, the likelihood of enjoying sunny weather during September is relatively limited, with a mere 15% chance of seeing clear skies. This trend reflects a broader pattern observed throughout the year, where the summer months, particularly April, peak at 42%, offering the most promise for sunshine. As temperatures rise from spring to early summer, sunny days become more frequent but decline again through late summer and into autumn. The gradual drop in sunshine likelihood culminates in September, making it one of the cloudier months. As a result, those hoping for sunny days in September might want to prepare for a mix of fleeting sunbeams amid the typical Irish overcast.
As summer transitions into autumn, Athenry experiences a noticeable shift in daylight duration. In September, the charming town enjoys 12 hours of daylight, marking a gentle decline from the sun-drenched days of summer, where July and June bask in a peak of 16 hours. The gradual reduction in daylight is a clear indicator of the changing seasons, as the vibrant hues of autumn prepare to emerge. Following this month, October brings a further decrease to 10 hours, emphasizing nature's rhythm of light and darkness. This moderate tapering of daylight not only heralds the upcoming chill but also invites locals and visitors alike to savor the unique beauty that Athenry offers during this transitional time.
In September, Athenry experiences a gentle breeze, with average wind speeds settling at 3.3 m/s (7 mph), similar to the preceding months of August and April. This consistent wind pattern hints at the calmer atmosphere that often accompanies the tail end of summer, before the seasonal shifts invigorate the air in the following months. As autumn approaches, a slight uptick in wind speed is noticeable in October, which rises to 4.1 m/s (9 mph). Overall, September’s breezy yet tranquil conditions provide a perfect backdrop for enjoyment of the scenic beauty and cultural richness of this charming Irish town.
The weather in Athenry 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 Athenry and find detailed weather information for every month.
September and January present contrasting weather experiences, showcasing distinct seasonal characteristics. In September, temperatures typically range from a mild 13°C (56°F) on average, with peaks reaching up to 26°C (79°F), creating pleasant conditions for outdoor activities. The month is also characterized by considerable humidity at 88% and a total precipitation of 80 mm (3.1 in) over about 15 days. In contrast, January brings colder temperatures, with an average of 6°C (43°F) and a maximum of only 14°C (58°F). The winter month, despite having slightly less total precipitation at 75 mm (3.0 in) over 12 days, maintains the same high humidity level. For more details on January weather, you can visit Athenry weather in January.
September and February present distinctly different weather patterns. In September, temperatures range from a cool 1°C (34°F) at night to a warm 26°C (79°F) during the day, with an average of 13°C (56°F). The month sees about 80 mm (3.1 in) of precipitation over 15 days and maintains a high humidity level of 88%. In contrast, February experiences colder conditions, with temperatures dipping to a minimum of -3°C (26°F) and reaching a maximum of 16°C (60°F), averaging just 6°C (44°F). This month has more precipitation at 121 mm (4.8 in) spread over 16 days, while humidity remains consistent at 88%. For more detailed insights on February weather, check out Athenry weather in February.
In comparing the weather of September and March, we see notable differences in temperature and precipitation patterns. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). This month experiences about 80 mm (3.1 in) of precipitation over approximately 15 days, coupled with high humidity at 88%. Conversely, March tends to be colder, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 17°C (64°F), averaging at 7°C (45°F). Precipitation is slightly higher at 104 mm (4.1 in) over 16 days, and humidity is slightly lower at 87%. For a more detailed look at March weather specifically, you can check Athenry weather in March.
When comparing the weather in September and April, notable differences emerge. September features a broader range of temperatures, with average highs reaching 26°C (79°F), while April's average doesn’t exceed 22°C (71°F). Although September is generally warmer, April experiences slightly lower minimum temperatures, plummeting to -2°C (28°F) compared to September's 1°C (34°F). Rainfall is more frequent in September, with 80 mm (3.1 in) over 15 days, while April sees less precipitation at 61 mm (2.4 in) across 11 days. Humidity levels are similar, with September at 88% and April at 86%, creating a damp atmosphere in both months. For more detailed insights, check out Athenry weather in April.
In comparing the weather of September and May, September generally experiences slightly warmer temperatures, with an average of 13°C (56°F) compared to May's average of 12°C (53°F). September's maximum can reach up to 26°C (79°F), while May peaks at 25°C (78°F), making the two months quite similar in their warmest conditions. However, September is characterized by higher humidity at 88% and more precipitation, totaling 80 mm (3.1 in) over about 15 days, whereas May sees 71 mm (2.8 in) of rain across around 14 days, with a slightly lower humidity of 83%. For a closer look at the trends in May, you can refer to Athenry weather in May.
When comparing the weather in September and June, we can observe some notable differences. September generally presents cooler temperatures, with a minimum of 1°C (34°F) and an average of 13°C (56°F), while June is warmer, with a minimum of 4°C (39°F) and an average of 14°C (57°F). The maximum temperature in June reaches up to 30°C (86°F), significantly higher than September's maximum of 26°C (79°F). Both months experience similar levels of precipitation at 79-80 mm (3.1 in) over about 15 days, with September showing slightly higher humidity at 88%, compared to June’s 83%. For more specific details about June, you can refer to Athenry weather in June.
In comparing the weather of September and July, we notice that July typically experiences warmer temperatures, with an average of 16°C (60°F) compared to September’s 13°C (56°F). July also boasts higher maximum temperatures, reaching up to 29°C (84°F), while September peaks at a cooler 26°C (79°F). Despite slightly lower total precipitation in July at 84 mm (3.3 in) over 13 days, it remains close to September's 80 mm (3.1 in) with rain over 15 days. The humidity levels are similar, with July at 85% and September at 88%, making both months feel quite humid, but September tends to feel a bit cooler overall. For more details on temperature trends during July, check out Athenry weather in July.
Comparing the weather in September and August reveals some notable differences. September experiences a wider temperature range, with minimums dipping to 1°C (34°F) and maximums reaching 26°C (79°F), resulting in a slightly cooler average of 13°C (56°F) compared to August’s warmer average of 15°C (59°F). However, August typically boasts milder minimum temperatures of 6°C (44°F) and a maximum of 24°C (75°F). Precipitation is also more significant in August, with 118 mm (4.7 in) over 19 days, whereas September sees a reduction in rainfall to 80 mm (3.1 in) across 15 days. Interestingly, September is slightly more humid at 88%, compared to August's 85%. For a more detailed look at conditions in August, check out Athenry weather in August.
September and October present noticeable changes in weather patterns. In September, temperatures typically range from a minimum of 1°C (34°F) to a maximum of 26°C (79°F) with an average of 13°C (56°F). This month experiences around 80 mm (3.1 in) of precipitation over 15 days, along with high humidity levels at 88%. In contrast, October sees a drop in average temperature to 10°C (51°F), with a maximum of only 20°C (68°F) and a minimum of 0°C (32°F). The rainfall increases to 107 mm (4.2 in) over 17 days, accompanied by slightly higher humidity at 91%. For a detailed look at Athenry's weather, you can visit Athenry weather in October.
September weather in Athenry is characterized by milder temperatures, with averages around 13°C (56°F) and maximums reaching 26°C (79°F). Despite this warmth, the month experiences significant humidity at 88% and an average of 80 mm (3.1 in) of precipitation spread over approximately 15 days. In contrast, November sees a notable drop in temperatures, with an average of 8°C (46°F), and maximums only reaching up to 15°C (60°F). The humidity rises slightly to 92%, while precipitation increases to 92 mm (3.6 in), also over 15 days. For a more detailed outlook, check Athenry weather in November.
In September, the weather in Athenry is generally milder, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (79°F), creating an average of 13°C (56°F). This month experiences about 80 mm (3.1 in) of precipitation over 15 days and maintains a humidity level of 88%.
In contrast, December brings cooler temperatures, with lows dropping to -5°C (24°F) and highs peaking at only 14°C (57°F), resulting in an average of 7°C (44°F). Additionally, December sees increased precipitation at 108 mm (4.3 in) over 17 days, while humidity remains relatively high at 89%. For more detailed information, you can check Athenry weather in December.
As September unfolds in Athenry, the weather begins to transition into the cooler embrace of autumn, showcasing a unique blend of warmth and briskness. With temperatures peaking at a comfortable 26°C (79°F) during the day, it stands out from the cooler months, yet the average drops to a more moderate 13°C (56°F) as nights arrive. The chance of rain increases, with a notable 15 days of precipitation contributing to a lush landscape, while the humidity hovers high at 88%, creating a damp atmosphere that marks the change of seasons. This mixture of warmth and moisture serves as a reminder that summer is gently bidding farewell in Athenry, setting the stage for the enchanting fall that lies ahead. For more detailed insights, check out Athenry Climate.