September Weather in Miltown Malbay, Ireland

Last updated: March 17, 2025

September in Miltown Malbay, Ireland offers a climate that showcases both warmth and moisture, making it a month of contrasts. With maximum temperatures reaching 26°C (79°F) and an average settling at a mild 14°C (57°F), the days can feel pleasantly warm, while the nights cool down to a brisk 4°C (40°F). This month also brings significant rainfall, totaling 102 mm (4.0 in) across 19 days, resulting in a humid atmosphere with levels peaking at 88%. As the summer transitions into autumn, visitors can expect a blend of vibrant landscapes and occasional showers, creating a picturesque setting for exploration and relaxation.

September Temperature in Miltown Malbay

In September, Miltown Malbay experiences a delightful transition from the summer warmth, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 26°C (79°F), averaging around 14°C (57°F). This month typically offers milder weather, making it a fantastic time for outdoor activities as the chill of autumn begins to set in. Compared to the summer months, September shows a noticeable decrease in temperature, yet it retains a pleasant warmth that invites locals and visitors alike to enjoy the stunning coastal scenery and rich cultural offerings. Overall, September stands out as a month of balance, with the lingering summer sunshine gently giving way to the cozy embrace of fall.

September Weather in Miltown Malbay: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Miltown Malbay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454545495357605957524846
Data source: Temperature data for Miltown Malbay generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Miltown Malbay

In September, Miltown Malbay experiences a notable shift in precipitation, with 102 mm (4.0 inches) of rainfall spread across 19 days. This marks a slight decrease from the previous month's 147 mm (5.8 inches), yet still showcases the town’s characteristic dampness as summer transitions to autumn. August peaks with the highest precipitation for the year, indicating a trend where late summer yields heavier rains, likely contributing to the vibrant greenery of the surrounding landscape. As September unfolds, the weather remains variable, hinting at the onset of the wetter months ahead, particularly as October follows closely with 129 mm (5.1 inches) of rainfall expected over 20 days. This pattern underscores Miltown Malbay's reputation for its lush, rain-kissed scenery, inviting both residents and visitors to embrace the beauty of its moody, maritime climate.

September Precipitation Trends in Miltown Malbay

The chart displays monthly precipitation patterns in Miltown Malbay, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec9113211458687286147102129118147
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Miltown Malbay

In Miltown Malbay, Ireland, September greets residents with a familiar embrace of 88% humidity, aligning it with the conditions of the earlier winter months. This notable consistency indicates that as summer transitions into autumn, the climate remains distinctly humid, mirroring the atmospheric patterns observed from January through August. As we move further into the year, the humidity begins to rise again, peaking in October at a robust 91%. Interestingly, while September maintains high humidity levels, it also sets the stage for the even more humid months ahead, with November and December likely to weave a rich tapestry of moisture in the air, characterizing the latter part of the year in this charming coastal town.

September Average Humidity in Miltown Malbay

This chart illustrates the average monthly humidity levels in Miltown Malbay, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%86%83%83%85%85%88%91%92%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Miltown Malbay

As September rolls into Miltown Malbay, the UV Index sees a slight decrease, settling at 5, which falls into the moderate exposure category. This marks a shift from the peak summer months, where the index soared to 8 in both June and July. With burn times increasing to 30 minutes, it's a reminder to enjoy outdoor activities while being mindful of sun protection. As we transition into fall, this moderate level indicates that while the sun's intensity is waning, vigilance against UV exposure remains important. For detailed information on UV levels throughout the year, check out the Miltown Malbay UV Index.

Maximum UV Index Levels in Miltown Malbay for September

The chart shows the monthly maximum UV Index (UVI) for Miltown Malbay in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124678875421
Data source: Miltown Malbay September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Miltown Malbay

As summer gently wanes, Miltown Malbay experiences a delightful drop in sunshine in September, basking in 284 hours of radiant light. This month marks a gradual transition from the vibrant sunlit days of May and June, which boast over 390 hours, into the cooler and shorter days ahead. While September’s hours are fewer than its summer predecessors, they still outshine the early months of the year, showing an appreciable increase from the likes of January's meager 75 hours. This trend highlights the enduring warmth of early autumn, making September a charming time for locals and visitors alike to enjoy the lingering sunshine before the winter months set in.

Monthly Sunshine Duration in Miltown Malbay: September Highlighted

The September sunshine duration represents the total number of hours Miltown Malbay experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec75h131h184h309h395h373h372h333h284h221h116h93h
Data source: Miltown Malbay September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Miltown Malbay During September

In Miltown Malbay, September offers a modest 16% chance of sunny weather, reflecting a gradual decline in sunshine as summer transitions to autumn. This trend is evident when compared to the sunniest months earlier in the year, such as April, which boasts a 45% likelihood of sunshine. As the year progresses, the chances of clear skies dip, particularly from June onwards, indicating that September often rewards visitors with more unpredictable weather. While it's unlikely to bask in abundant sunlight, September can still surprise with occasional bright spells amidst the autumnal backdrop, making it a unique time to experience the charm of Ireland’s west coast.

Percentage of Sunny Days in September in Miltown Malbay

The chart illustrates the percentage of sunny days in Miltown Malbay throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Miltown Malbay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%22%17%45%32%19%27%25%16%17%26%18%
Data source: Miltown Malbay September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Miltown Malbay in September

As summer fades in Miltown Malbay, September ushers in a gentle decline in daylight, providing about 12 hours of light each day. Following the peak summer months of June and July, which basked in 16 hours of sunshine, September reflects a transition, retaining a respectable amount of brightness but hinting at the shorter days ahead. This month serves as a bridge from the vibrant days of summer to the more subdued autumn, with daylight gradually dwindling as we move towards the crispness of October, which offers just 10 hours. The rhythm of daylight in Miltown Malbay paints a beautiful narrative of nature’s cycles, inviting residents and visitors alike to savor the comforting warmth of early fall before the shorter winter days settle in.

Average Daylight Hours in Miltown Malbay for September

The chart illustrates the variation in daylight duration in Miltown Malbay throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 14m9h 53m11h 54m13h 59m15h 47m16h 45m16h 14m14h 36m12h 36m10h 33m8h 41m7h 42m
Data source: Miltown Malbay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Miltown Malbay

In September, Miltown Malbay experiences a gentle breeze, with an average wind speed of 4.2 m/s (9 mph), marking a slight dip from the summer months. This modest reduction follows a trend of gradually decreasing wind speeds, as the more bracing gusts of January and February, often approaching 6.8 m/s (15 mph), give way to the calm of late summer and early autumn. With wind conditions easing from the bustling heights of March and April, September offers a serene atmosphere, inviting locals and visitors alike to enjoy the picturesque scenery of this charming Irish coastal town.

Average September Wind Speed in Miltown Malbay

The chart displays monthly wind speed patterns in Miltown Malbay, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.16.85.64.44.74.33.54.34.2 m/s5.35.46.2
Data source: Miltown Malbay September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Miltown Malbay Compares to Other Months

The weather in Miltown Malbay 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 Miltown Malbay and find detailed weather information for every month.

September and January in Miltown Malbay present distinctly different weather patterns. September enjoys milder temperatures, with a minimum of 4°C (40°F) and a maximum of 26°C (79°F), while January sees cooler temperatures, dipping to a minimum of -2°C (28°F) and maxing out at 14°C (58°F). Precipitation is relatively abundant in both months, but September records slightly more rainfall at 102 mm (4.0 in) over 19 days compared to January’s 91 mm (3.6 in) spread over 15 days. Interestingly, both months share the same humidity level of 88%, contributing to the damp feel typical of the region. For a closer look at January's climate, check out Miltown Malbay weather in January.

September and February present contrasting weather patterns. September enjoys milder temperatures with a minimum of 4°C and an average high of 26°C, making it a more temperate month with relatively pleasant conditions. In contrast, February experiences cooler temperatures, ranging from a low of -2°C to a maximum of 15°C, creating a distinctly chillier atmosphere. Additionally, February has slightly more precipitation at 132 mm compared to September's 102 mm, with a similar rainfall frequency of 19 days. Both months share high humidity levels of 88%, contributing to the overall dampness typical of the region. For more detailed information on February weather, you can visit Miltown Malbay weather in February.

When comparing the weather between September and March, several notable differences emerge. September typically enjoys a milder temperature range, with averages around 14°C (57°F) and maximums reaching up to 26°C (79°F). In contrast, March experiences cooler conditions, with average temperatures around 7°C (46°F) and a maximum of only 16°C (62°F). Precipitation levels are relatively similar, with September receiving 102 mm (4.0 in) and March slightly higher at 114 mm (4.5 in) over almost the same number of days of rain—19 days in September compared to 18 in March. Humidity remains comparable as well, with September at 88% and March at 87%. For a more detailed look at the climate specifics in March, visit Miltown Malbay weather in March.

September generally offers warmer temperatures compared to April, with average highs reaching 26°C (79°F) versus April's maximum of 19°C (67°F). While September experiences a more pleasant average temperature of 14°C (57°F), April's average is cooler at 9°C (49°F). Additionally, September sees higher rainfall with 102 mm (4.0 in) spread over 19 days, compared to April's 58 mm (2.3 in) over 11 days. The humidity levels are quite similar, with September at 88% and April slightly lower at 86%. For more details on April weather, you can check Miltown Malbay weather in April.

In comparing the weather of September and May, September tends to be warmer overall, with average temperatures around 14°C (57°F) and maximums reaching 26°C (79°F), while May has a lower average of 12°C (53°F) and maximums of 23°C (75°F). September also experiences more precipitation, with 102 mm (4.0 in) over 19 days, compared to May's 67 mm (2.7 in) across just 13 days. Humidity levels are slightly higher in September at 88%, giving the month a more muggy feel compared to May's 83%. For a closer look at the specific weather patterns of May, you can check out Miltown Malbay weather in May.

Comparing September and June, we observe that September experiences slightly cooler temperatures, with a minimum of 4°C (40°F) compared to June's minimum of 7°C (45°F). However, both months share the same average temperature of 14°C (57°F). In terms of maximum temperature, June is warmer, reaching up to 29°C (84°F), while September peaks at 26°C (79°F). Rainfall is more significant in September, with 102 mm (4.0 in) falling over 19 days, compared to June's 72 mm (2.8 in) over 16 days. The humidity levels are also higher in September at 88%, compared to June's 83%. For more details on June weather, visit Miltown Malbay weather in June.

When comparing the weather in September and July, notable differences emerge. September experiences a broader temperature range, with minimums dropping to 4°C (40°F) and maximums reaching 26°C (79°F), while July maintains milder temperatures, from a minimum of 9°C (48°F) to a maximum of 28°C (83°F). Additionally, September sees more precipitation, averaging 102 mm (4.0 in) over 19 days, compared to July's 86 mm (3.4 in) across 15 days. Humidity levels are fairly similar, with September at 88% and July at 85%. For a closer look at the specific conditions during July, check out Miltown Malbay weather in July.

In September, the weather sees a slight decrease in temperature compared to August, with minimums dropping to 4°C (40°F) and maximums rising to 26°C (79°F), suggesting more variability throughout the month. The average temperature in September is 14°C (57°F), while in August, it hovers at 15°C (60°F)—indicating a marginally cooler trend. Additionally, September experiences higher precipitation levels at 102 mm (4.0 in) over 19 days, whereas August is wetter with 147 mm (5.8 in) spread over 22 days. Interestingly, while the humidity remains relatively high in both months—88% in September compared to 85% in August—the generalized trend showcases September as a transition month characterized by cooler temperatures and more variable weather. For a detailed look at August weather patterns, visit Miltown Malbay weather in August.

In comparing the weather of September and October, we see a notable transition towards cooler and wetter conditions. September boasts a wider temperature range with minimums around 4°C (40°F) and maximums reaching up to 26°C (79°F), averaging 14°C (57°F). The month experiences 102 mm (4.0 in) of precipitation across 19 days, with humidity sitting at a relatively high 88%.

Conversely, October presents a cooler climate, with temperatures dipping to a minimum of 3°C (37°F) and a maximum of 19°C (66°F), averaging 11°C (53°F). Precipitation increases slightly to 129 mm (5.1 in), occurring over 20 days, while humidity rises to 91%. For a detailed outlook, you can check the Miltown Malbay weather in October.

In comparing September and November weather, September generally offers warmer temperatures with an average of 14°C (57°F), peaking at 26°C (79°F) on warmer days, while November sees a drop to an average of just 9°C (48°F) and a maximum of 15°C (60°F). Precipitation levels are slightly higher in November, with 118 mm (4.7 in) compared to September's 102 mm (4.0 in), yet both months experience rain on approximately 19 days. Humidity also rises from 88% in September to 92% in November, making the latter month feel more damp and chilly. For additional details about November weather specifically, check Miltown Malbay weather in November.

In September, the weather is generally milder, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 26°C (79°F) and an average of 14°C (57°F). This month experiences a significant amount of rainfall, with precipitation totaling 102 mm (4.0 in) over 19 days, while humidity remains high at 88%.

In contrast, December sees cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 14°C (57°F), resulting in an average temperature of 8°C (47°F). This month is wetter, as well, with precipitation reaching 147 mm (5.8 in) over 20 days, and the humidity slightly increases to 89%. For more details on the weather conditions specific to December, you can visit Miltown Malbay weather in December.

Compare Miltown Malbay's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Miltown Malbay

As September unfolds in Miltown Malbay, the weather transitions into a cooler, more dynamic atmosphere, setting itself apart from the warmer summer months. With an average temperature that dips significantly, the crisp air and increased humidity create a refreshing feel, despite the sporadic rainfall that marks this period. The 19 days of precipitation hint at the onset of autumn, making it an ideal time for cozying up indoors or enjoying the vibrant, changing landscapes. For a deeper understanding of the area's climate throughout the year, explore Miltown Malbay Climate.