Last updated: March 17, 2025
In Louth, Ireland, September unveils a diverse climate experience, with maximum temperatures reaching up to 22°C (72°F), while the average settles at a mild 13°C (56°F). The month can be characterized by its refreshing coolness, as minimum temperatures dip to around 3°C (37°F) during the nights. Rainfall plays a significant role, with a total precipitation of 74 mm (2.9 in) spread over 13 rainy days, contributing to the region’s lush greenery. Coupled with a high humidity level of 86%, September in Louth presents itself as a season of transition, where vibrant autumn hues begin to emerge amidst the lingering summer warmth.
In September, Louth, Ireland, begins to transition from the warm embrace of summer to the crisp onset of autumn. The temperatures range from a pleasant 3°C (37°F) at night to an inviting 22°C (72°F) during the day, with an average of 13°C (56°F). This makes September a lovely time for outdoor activities, as the days still carry the warmth of summer, yet the nights hint at the cooler months ahead. As the month progresses, the gentle decline in temperature reflects a shift, contrasting sharply with the peak warmth of July and August. This blend of warmth and crispness creates a unique charm, inviting visitors to experience the beauty of Louth's landscapes as they transform with the changing season.
In September, Louth, Ireland, experiences a relatively moderate rainfall, with 74 mm (2.9 in) of precipitation recorded over 13 days. This figure is consistent with the wetter summer months, particularly August, which saw a significant 114 mm (4.5 in) of rain. As the seasons shift, September's rainfall marks a transition towards autumn, yet it remains lower than the preceding months. Interestingly, with 13 precipitation days, September maintains a balance, hinting at sporadic showers rather than persistent downpours. This trend sets the stage for the approaching autumn months, where the rainfall typically increases again, showcasing Louth's characteristic unpredictable weather.
In September, Louth, Ireland experiences a notable humidity level of 86%, aligning with the peak readings of the summer months. This slight increase from the preceding months reflects a consistent trend, as humidity remains relatively high throughout the year. From January through August, humidity levels hover around 85-86%, encapsulating Louth in a coastal climate that keeps the air feeling moist. Interestingly, as autumn approaches, humidity doesn't drop significantly; instead, it continues to maintain a comfortable yet damp environment, further emphasized by the gradual rise to 87% in October. This steady pattern underscores Louth's unique maritime climate, creating a refreshing, albeit humid, experience for residents and visitors alike.
As September rolls in, Louth, Ireland experiences a moderate UV Index of 5, signaling a gentle drop from the high levels seen in the summer months. With a burn time of approximately 30 minutes, this is a reminder to enjoy the lingering warmth of early autumn while still being mindful of sun exposure. After the peak in July and August, the transition to September indicates a gradual easing of solar intensity, yet caution is still necessary, especially for those with fair skin. As always, stay informed about the changing UV conditions by visiting Louth UV Index, and relish the beauty of the season while protecting your skin!
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September brings a captivating transition to Louth, Ireland, marking the start of autumn with a generous 283 hours of sunshine. While the sun-soaked days of summer linger in memory, this month sees a slight decrease from August's splendid 325 hours, hinting at the seasonal shift. As the days grow shorter and cooler, one can appreciate how the sunshine hours gradually decline from the peak of June (375 hours) to October's 223 hours. Yet, September remains a beacon, offering a vibrant blend of warmth and light before winter's embrace, reminding us of the beauty in each season’s change.
As summer transitions into autumn, September in Louth, Ireland, holds a modest 19% chance of sunny weather. This marks a noticeable decline from the more favorable conditions of spring, where April boasted a peak of 39% sunshine. Throughout the year, September’s likelihood of sun is sandwiched between the low points of October (17%) and August (20%), suggesting that while the days may still be warm, the persistent clouds of fall start to creep in. Overall, it’s clear that if you’re hoping for radiant skies, September offers just a glimpse of summer's warmth before the landscape shifts toward the chillier months.
September in Louth, Ireland marks a subtle transition as the days begin to shorten, with 12 hours of daylight illuminating the landscape. Following the late summer's peak in July, where daylight reached a generous 16 hours, the month of September offers a gentle decline. This shift reflects the gradual easing into autumn, as daylight diminishes from the vibrant 14 hours of August. The consistent drop in daylight hours is a hallmark of the approaching colder months, with October bringing just 10 hours. This rhythm of changing light not only impacts the natural world but also invites the community to embrace the cozy warmth of the season ahead.
In September, the winds in Louth, Ireland, gently usher in the transition from summer to autumn, with an average wind speed of 3.3 m/s (7 mph). This marks a slight increase from the more tranquil days of July and August, where breezes slowed to their lowest. As the month progresses, the winds begin to gain momentum, and with October approaching, average speeds will rise to 4.3 m/s (10 mph), signaling the onset of blustery fall weather. The overall trend showcases a gradual shift in wind patterns as the seasons change, moving from softer summer winds to the more spirited gusts that characterize the later months of the year.
The weather in Louth 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 Louth and find detailed weather information for every month.
September offers a milder climate with average temperatures ranging from 3°C (37°F) at night to a comfortable 22°C (72°F) during the day, along with 74 mm (2.9 in) of rainfall spread over about 13 days. The humidity in September is relatively high at 86%, contributing to a lush, vibrant atmosphere. In contrast, January brings colder conditions, with temperatures dipping to a minimum of -5°C (23°F) and averaging around 5°C (42°F), reaching a maximum of 14°C (57°F). While January sees slightly less precipitation at 54 mm (2.1 in) over 10 days, the humidity remains close at 85%. For more details on January's weather, you can visit Louth weather in January.
September and February present distinct contrasts in weather. September generally offers milder temperatures, with an average of 13°C (56°F) and maximums reaching up to 22°C (72°F), while February's average of 6°C (43°F) can dip to a minimum of -4°C (25°F). Both months experience similar humidity levels at 86%, but February tends to be wetter, with 85 mm (3.4 in) of precipitation over 15 days compared to September's 74 mm (2.9 in) over 13 days. For a more detailed look at February weather, you can visit Louth weather in February.
September and March present contrasting weather patterns, despite having similar humidity levels of 86%. September enjoys milder temperatures, with a minimum of 3°C (37°F) and an average of 13°C (56°F), peaking at 22°C (72°F). In contrast, March is notably chillier, starting at a minimum of -4°C (25°F) and averaging 7°C (44°F), with a maximum of 16°C (61°F). Regarding precipitation, both months see significant rainfall, with September totaling 74 mm (2.9 in) over 13 days and March slightly higher at 80 mm (3.1 in) across 16 days. For more detailed information about March weather, you can visit Louth weather in March.
September and April showcase distinct weather patterns, highlighting the transition from summer to autumn versus the thawing of winter into spring. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 22°C (72°F), with an average of 13°C (56°F). This month experiences higher precipitation at 74 mm (2.9 in) over about 13 days, paired with a humidity level of 86%. By contrast, April presents cooler conditions, with temperatures dipping as low as -2°C (28°F) and reaching a maximum of 20°C (68°F), averaging at 8°C (47°F). Precipitation is lighter in April, totaling 45 mm (1.8 in) across 11 days, and humidity remains slightly lower at 85%. For more detailed insights into April weather, visit Louth weather in April.
In September, temperatures tend to be milder, averaging 13°C (56°F), with maximums reaching up to 22°C (72°F). The month sees about 74 mm (2.9 in) of precipitation over 13 days, coupled with a high humidity level of 86%. In contrast, May experiences slightly cooler conditions, with an average temperature of 11°C (53°F) and maximums at 23°C (73°F), albeit with a lower minimum temperature of -1°C (30°F). Precipitation in May is also less, totaling 66 mm (2.6 in) across 12 days, resulting in slightly lower humidity at 83%. For more details, you can check Louth weather in May.
Comparing the weather in September and June reveals some intriguing differences. September experiences cooler temperatures with a minimum of 3°C (37°F) and a maximum of 22°C (72°F), while June boasts slightly warmer temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 28°C (82°F). Precipitation levels are quite similar in both months, with September receiving 74 mm (2.9 in) over 13 days and June slightly higher at 76 mm (3.0 in) over 14 days. Humidity levels are comparable as well, with September at 86% and June at 85%. For a more detailed look at June weather, you can visit Louth weather in June.
In comparing the weather of September and July, we see notable differences in temperature. September experiences cooler minimums, with temperatures dropping to 3°C (37°F), whereas July has a milder minimum of 7°C (45°F). The average temperature in July reaches 16°C (61°F), significantly higher than September's average of 13°C (56°F). On the brighter side, July boasts warmer maximum temperatures, peaking at 28°C (82°F), compared to September’s maximum of 22°C (72°F). Interestingly, both months receive the same amount of precipitation—74 mm (2.9 in) over 13 days—along with consistent humidity levels at 86%. For more information about July's weather, you can visit Louth weather in July.
In comparing the weather of September and August, September emerges as slightly cooler with a minimum temperature of 3°C (37°F) compared to August's 7°C (44°F). While the average high in both months remains similar, September experiences a marginally lower average temperature of 13°C (56°F), contrasted with August’s 15°C (59°F). Precipitation levels are also noteworthy; September receives 74 mm (2.9 in) over 13 days, whereas August sees a higher total of 114 mm (4.5 in) over 18 days, indicating more frequent rainfall. The humidity remains quite similar, with September at 86% and August at 85%, contributing to the overall damp feel during both months. For more detailed insights on August weather, you can check Louth weather in August.
September weather is generally milder compared to October, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 22°C (72°F). In contrast, October experiences cooler temperatures, where the minimum dips to 0°C (32°F) and the maximum reaches only 19°C (66°F). Both months see significant rainfall, with September receiving 74 mm (2.9 in) over 13 days and October slightly increasing to 80 mm (3.1 in) across 14 days. Humidity levels remain high in both months, with September at 86% and October slightly higher at 87%. For more detailed information, you can check Louth weather in October.
September weather is generally milder compared to November, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 22°C (72°F). In contrast, November sees colder temperatures, with an average low of -3°C (27°F) and a high of 15°C (59°F). Both months experience significant precipitation, but November receives slightly more, with 84 mm (3.3 in) over 15 days compared to September's 74 mm (2.9 in) across 13 days. Humidity levels remain consistent at 86% in both months, creating a damp chill in the air as autumn progresses. For a closer look at November's climate, check out Louth weather in November.
September and December present quite contrasting weather conditions. In September, daytime temperatures reach a comfortable average of 13°C (56°F), with maximum highs of 22°C (72°F); however, nighttime lows can drop to around 3°C (37°F). The month experiences considerable rainfall, with 74 mm (2.9 in) spread over 13 days and high humidity at 86%.
In stark contrast, December sees a drop in average temperatures to 6°C (43°F), with maximums reaching only 13°C (56°F) and minimums falling below freezing to -3°C (27°F). Rainfall increases slightly to 89 mm (3.5 in), again over 13 days, though with marginally lower humidity at 84%. For more specifics about December weather, you can check Louth weather in December.
As September unfolds in Louth, the weather transitions into a more nuanced phase, marked by the cooling of temperatures and increased humidity. Unlike the summer months that bask in warmth, September brings a noticeable chill during the evenings, with temperatures dipping significantly at night. Additionally, this month experiences a spike in precipitation days, serving as a reminder that autumn is approaching with its share of rain. With an average temperature that sits comfortably between the extremes, September's climate offers a blend of lingering summer warmth and autumnal freshness, making it a unique time in Louth. For deeper insights into the weather patterns throughout the year, visit Louth Climate.