Last updated: March 17, 2025
September in Athlone, Ireland, showcases a dynamic climate with temperatures ranging from a pleasant maximum of 26°C (79°F) to a cooler minimum of 2°C (36°F). The month averages a comfortable 13°C (56°F), making it ideal for outdoor activities. However, humidity levels soar to 88%, contributing to a moist atmosphere. Rainfall is a notable feature, with 77 mm (3.0 in) spread over 15 days, ensuring that the landscape remains lush and green. Visitors can expect a mix of warm days and refreshing showers, capturing the essence of Irish weather.
In September, Athlone, Ireland, experiences a delightful transition as summer gives way to autumn. With minimum temperatures starting at a mild 2°C (36°F), the air begins to cool, yet the daytime sun still shines brightly. The average temperature hovers around a comfortable 13°C (56°F), providing pleasant conditions for outdoor activities. Notably, highs can reach a warm 26°C (79°F), allowing residents and visitors alike to enjoy the lingering warmth of summer. This gradual shift signals a perfect time for cozy gatherings and scenic walks, as the vibrant colors of autumn start to emerge, making September a unique blend of warmth and the crispness of fall.
In September, Athlone experiences a shift in weather as summer gives way to autumn. With an average precipitation of 77 mm (3.0 in) over 15 days, the month is relatively damp, comparable to the wetter August but lighter than the rainier months that follow. This consistent rainfall contributes to the lush greenery characteristic of the countryside. Notably, September's precipitation heralds a return to more frequent rain after the peak of summer, while still maintaining a balance that allows for enjoyable early autumn days. As the season progresses into October and November, precipitation in Athlone tends to rise, with October alone expecting 95 mm (3.8 in), indicating a pattern of increasing rainfall as the year draws to a close.
In Athlone, Ireland, September marks a notable return to higher humidity levels, reaching 88%, similar to the earlier months of the year. This slight uptick follows a summer where humidity stabilized at 85%, providing a comfortable warmth before autumn's chill sets in. As the seasons transition, the humidity gradually begins to climb, peaking at 91% in October and 92% in November, reflecting the more pronounced dampness of the winter months. This pattern underscores Athlone's temperate climate, where the refreshing humidity feels both familiar and rejuvenating as the vibrant hues of fall emerge.
As September rolls in Athlone, Ireland, the UV Index dips to 5, reflecting a moderate level of sun exposure. This month marks a transition from the high and very high levels experienced during the summer, where the burn time was significantly shorter at just 15 minutes in July and June. In contrast, September offers a more forgiving 30-minute burn time, making it essential to enjoy the sun responsibly while still taking precautions. With autumn on the horizon, this moderation invites outdoor activities but reminds us to remain vigilant about UV exposure. For more detailed information, visit Athlone UV Index.
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In September, Athlone, Ireland enjoys a delightful blend of warm days and shorter nights, capturing the essence of late summer with 261 hours of sunshine. While this marked a slight decline from the vibrant 290 hours of August, it still showcases a healthy amount of daylight as the region transitions into autumn. The overall trend of increasing sunlight hours from the cold months of January through to the late spring peaks in May at 361 hours, gradually easing off into fall with October's 212 hours. This seasonal rhythm not only highlights the charming weather of Athlone but also sets the stage for the picturesque landscapes that emerge as the vibrant summer hues give way to the warm tones of autumn.
In Athlone, Ireland, the chance of sunny weather in September is relatively modest at 16%, reflecting a notable dip in sunshine compared to the brighter spring months. As the summer winds down, sunshine opportunities begin to decline, with June and July boasting higher chances of sun at 19% and 25% respectively. In contrast, April stands out as a superior month for sunshine with a notable 39% likelihood, suggesting a promising start to the warmer seasons. Overall, as autumn approaches, September joins the ranks of less sunny months, along with January and February, pulling back from the hopeful brightness of late spring and early summer.
As September unfolds in Athlone, Ireland, the daylight begins to wane, offering approximately 12 hours of light each day. This marks a noticeable transition from the summer months of June and July, which basked in 16 hours of sunlight. In early autumn, the days still retain a generous amount of daylight, although they are shorter than the peak summer days. The gradual decline continues into October, where daylight dips to just 10 hours, hinting at the shorter, darker days of winter ahead. This trend reflects a rhythmic cycle of seasons, inviting residents to savor the vibrant hues of early autumn before embracing the coziness of shorter days to come.
As September arrives in Athlone, the gentle embrace of the wind settles into a steady rhythm, with an average speed of 3.2 m/s (about 7 mph). This marks a continuation of the mild breezes experienced through the summer months, notably mirroring August's calm. Over the year, winds have seen their peak in the colder months, with speeds climbing modestly to 4.4 m/s in December. Interestingly, there's a discernible trend of higher winds in late autumn and winter, contrasting with the more tranquil, refreshing gusts typical of summer. As autumn unfolds, residents can expect a subtle shift, yet September’s winds retain a whisper of warmth, inviting leisurely strolls along the scenic banks of the Shannon.
The weather in Athlone 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 Athlone and find detailed weather information for every month.
In September, temperatures range from a cool 2°C (36°F) at night to a pleasant average of 13°C (56°F) during the day, peaking at a warm 26°C (79°F) under clear skies. The month experiences about 77 mm (3.0 in) of precipitation spread across 15 days, contributing to a high humidity level of 88%. In contrast, January sees colder conditions where temperatures drop to a minimum of -5°C (23°F), average 6°C (43°F), and reach a maximum of only 14°C (57°F). This month brings slightly less precipitation at 66 mm (2.6 in) over 11 days, while humidity remains consistent at 88%. For more detailed insights into the winter climate, you can check out Athlone weather in January.
In September, temperatures are generally milder, ranging from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). The month experiences approximately 77 mm (3.0 in) of precipitation over 15 days, while humidity levels remain high at 88%. In contrast, February brings cooler conditions, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 16°C (60°F) and an average of 6°C (43°F). This month sees increased rainfall, totaling about 107 mm (4.2 in) across 16 days, yet maintains the same high humidity at 88%. For more detailed insights on February weather, you can visit Athlone weather in February.
September and March display contrasting weather patterns. In September, temperatures range from a mild 2°C (36°F) to a comfortable maximum of 26°C (79°F), with an average of 13°C (56°F). The month sees about 77 mm (3.0 in) of precipitation over 15 days, accompanied by high humidity levels at 88%. In contrast, March experiences cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 17°C (63°F), averaging at 7°C (45°F). It also receives slightly more precipitation at 93 mm (3.7 in) across 16 days, while humidity remains similar at 87%. For more detailed information, check Athlone weather in March.
When comparing the weather in September and April, several notable differences emerge. September typically offers a wider temperature range, with minimums of 2°C (36°F) and maximums reaching up to 26°C (79°F), whereas in April, temperatures can drop as low as -2°C (29°F) and peak at 21°C (71°F). While September sees an average temperature of 13°C (56°F), April has a cooler average of 9°C (48°F). Precipitation levels are slightly higher in September, totaling 77 mm (3.0 in) over 15 days compared to April's 55 mm (2.2 in) over just 10 days. Humidity is fairly consistent, with September at 88% and April at 86%. For a more detailed look at April weather, you can visit Athlone weather in April.
September and May exhibit quite similar weather patterns, though September tends to be a bit warmer. In September, the temperatures range from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). In contrast, May has slightly cooler temperatures, ranging from 0°C (32°F) to 25°C (77°F) and averaging around 12°C (53°F). Both months experience comparable precipitation levels, with September receiving 77 mm (3.0 in) over 15 days, while May sees 74 mm (2.9 in) over 13 days. Humidity is also higher in September at 88%, compared to May's 83%, reflecting the transition of seasons. For more details on weather during this time, check out Athlone weather in May.
September and June exhibit distinct weather patterns. September typically has a minimum temperature of 2°C (36°F) and an average of 13°C (56°F), while June experiences slightly warmer temperatures, with a minimum of 5°C (41°F) and an average of 14°C (58°F). The maximum temperature in September reaches 26°C (79°F), compared to June's peak of 29°C (84°F). Both months see a similar amount of precipitation, with September recording 77 mm (3.0 in) over 15 days and June slightly higher at 81 mm (3.2 in) over 14 days. Humidity in September is generally higher at 88%, while June's humidity averages around 83%. For more details on June's weather, check Athlone weather in June.
When comparing the weather in September to that of July, we see noticeable differences in temperature and precipitation patterns. September features a wider range of temperatures, with a minimum of 2°C (36°F) and a maximum of 26°C (79°F), resulting in an average temperature of 13°C (56°F). In contrast, July tends to be warmer, with a minimum of 7°C (44°F) and a maximum of 29°C (84°F), leading to an average of 16°C (61°F). Both months experience significant precipitation, with September receiving 77 mm (3.0 in) over 15 days, while July's precipitation totals 81 mm (3.2 in) across 13 days. Humidity levels are also relatively high, peaking at 88% in September compared to 85% in July. For more detailed information, you can check Athlone weather in July.
In comparing the weather between September and August, September experiences a wider temperature range, with minimums as low as 2°C (36°F) and maximums reaching 26°C (79°F), while August maintains a milder minimum of 7°C (45°F) and a maximum of 24°C (75°F). Average temperatures also display a modest decline in September, averaging around 13°C (56°F) compared to August's average of 15°C (60°F). Additionally, September sees reduced precipitation at 77 mm (3.0 in) over 15 days, while August is wetter with 125 mm (4.9 in) falling across 18 days. Humidity levels are slightly higher in September at 88%, compared to 85% in August. For more detailed information, you can check Athlone weather in August.
In September, temperatures in Athlone range from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). The month sees about 77 mm (3.0 in) of precipitation over 15 days, accompanied by a humidity level of 88%. In contrast, October experiences cooler temperatures, with a minimum of 0°C (32°F), an average of 10°C (51°F), and a maximum of 20°C (69°F). Precipitation increases slightly to 95 mm (3.8 in), also spread over 15 days, and humidity rises to 91%. For more details, you can check Athlone weather in October.
September typically warms up with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), leading to an average of 13°C (56°F). The month sees about 77 mm of precipitation over 15 days, contributing to a relatively high humidity of 88%. In contrast, November brings cooler temperatures, with the minimum dropping to -3°C (28°F) and the maximum reaching only 15°C (60°F). The average temperature in November is 8°C (46°F), and while the total precipitation increases slightly to 89 mm over the same 15 days, the humidity also rises to 92%. For a more detailed look at November weather, you can check out Athlone weather in November.
In September, the weather tends to be milder with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), providing an average of 13°C (56°F). The month sees approximately 77 mm (3.0 in) of precipitation over about 15 days, coupled with a high humidity level of 88%. In contrast, December brings colder temperatures, characterized by a minimum of -5°C (24°F) and a maximum of 14°C (57°F), with an average of 6°C (44°F). This month experiences slightly more precipitation at 99 mm (3.9 in) across 16 days and a marginally higher humidity of 89%. For more details on December's conditions, visit Athlone weather in December.
As summer transitions to autumn, September in Athlone showcases a notable shift in weather patterns. Temperatures begin to cool, offering a pleasant average that contrasts sharply with the heat of the preceding months. While maximums can still reach a warm 26°C, the arrival of increased humidity and precipitation reveals the month’s more temperamental nature. With about half the month presenting rainy days, it's clear that September sets the stage for the impending fall weather, marked by its cooler nights and refreshing fills of moisture. For a deeper dive into monthly variations, check out Athlone Climate.