September Weather in Strandhill, Ireland

Last updated: March 17, 2025

Strandhill, Ireland, in September showcases a varied climate that captures the essence of early autumn. With maximum temperatures reaching 24°C (76°F), the month starts off warm but gradually transitions to a cooler average of 13°C (55°F). Overnight lows can dip to a chilly 2°C (36°F), reminding visitors of the approaching seasonal change. Rain is frequent, with 106 mm (4.2 in) of precipitation over 18 days, contributing to an impressive humidity level of 87%. This blend of warmth and moisture paints a picturesque backdrop for exploring the stunning coastline and vibrant landscapes of Strandhill during this transitional period.

September Temperature in Strandhill

In September, Strandhill experiences a gentle transition into autumn, with temperatures reflecting the lingering warmth of the summer months. The average temperature hovers around 13°C (55°F), offering a mild climate perfect for outdoor activities. Early in the month, temperatures can still reach a pleasant 24°C (76°F), while evenings cool down to a crisp 2°C (36°F). This slight drop in temperature is a continuation of the cooling trend seen from the peak summer months, yet September retains a comfortable feel, making it a charming time to explore the coastal beauty of Ireland's west coast. As the month progresses, the transition becomes more pronounced, gently paving the way for the cooler days of autumn that follow.

September Weather in Strandhill: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Strandhill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424244475256595855504643
Data source: Temperature data for Strandhill generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Strandhill

In September, Strandhill, Ireland, typically experiences a substantial precipitation amount of 106 mm (4.2 in), continuing the trend of moisture that marks the transition into autumn. This month sees around 18 rainy days, offering a balance of wet and dry spells that can be characterized as a lingering summer kiss intertwined with the early whispers of fall. Following the heavy rains of August, which brings in 158 mm (6.2 in) over 22 days, September shows a slight decrease in both rainfall and frequency, hinting at the shift towards the drier months ahead. Despite this reduction, the persistent wet conditions maintain the lush greenery that Strandhill is renowned for, ensuring that the landscape remains vibrant even as the days grow shorter.

September Precipitation Trends in Strandhill

The chart displays monthly precipitation patterns in Strandhill, 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.
JanFebMarAprMayJunJulAugSepOctNovDec881311196586117109158106131115119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Strandhill

In September, Strandhill, Ireland, experiences a noticeable uptick in humidity, reaching 87%, the highest level since July and August. This trend marks the transition into autumn, where humidity levels start to peak before a slight drop in October. The month of September typically showcases a blending of summer's residual warmth with the crisp undertones of fall, contributing to the increased moisture in the air. As the year progresses, it’s evident that the coastal climate fosters a persistent humidity, averaging around 84% for several months. As we move into the latter part of the year, this trend appears to stabilize, with values remaining high, suggesting that the region's weather is as dynamic as its stunning landscapes.

September Average Humidity in Strandhill

This chart illustrates the average monthly humidity levels in Strandhill, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%84%83%84%86%86%87%87%88%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Strandhill

As September rolls into Strandhill, Ireland, the UV Index settles at a moderate level of 5, suggesting it’s still a good time to enjoy the outdoors with proper precautions. After the intense summer months of high UV exposures peaking at 8 in June and July, the index now reflects a gradual decline, aligning with the arrival of autumn. With a burn time of 30 minutes, it's essential to be mindful of sun protection if you're planning to spend any length of time outside. This month marks a transition, offering a comfortable balance for outdoor activities while reminding us that safety from UV rays remains important. For more detailed information, visit Strandhill UV Index.

Maximum UV Index Levels in Strandhill for September

The chart shows the monthly maximum UV Index (UVI) for Strandhill 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Strandhill 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 Strandhill

In September, Strandhill, Ireland, basks in a beautiful 257 hours of sunshine, showcasing a significant drop from the summer's peak but still holding onto the warmth of the season. Following the scintillating days of May, which boasts an impressive 365 hours, the month gently transitions into autumn, offering a balance between lingering sunny spells and the crispness of fall air. By observing the trends, it's clear that as the year progresses, the sunshine diminishes, with October trailing behind at 202 hours. However, September stands out as a delightful bridge, providing plenty of opportunities for outdoor exploration before winter casts its shadow.

Monthly Sunshine Duration in Strandhill: September Highlighted

The September sunshine duration represents the total number of hours Strandhill 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.
JanFebMarAprMayJunJulAugSepOctNovDec62h127h163h275h365h335h336h287h257h202h102h71h
Data source: Strandhill September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Strandhill During September

In Strandhill, Ireland, the likelihood of sunny weather takes a noticeable dip as summer fades into autumn. September offers a modest 14% chance of sunshine, which is among the lower probabilities for the year. This decrease follows the slightly brighter months of April and May, where the sun peeks out more frequently, with chances reaching 36% and 33% respectively. The sun's presence continues to diminish as the year progresses, with July and August also seeing dismal percentages at 21% and 16%. Overall, while September may still offer the occasional sunny day, it marks the transition into a cloudier season, indicating a return to the typical Irish weather we all know.

Percentage of Sunny Days in September in Strandhill

The chart illustrates the percentage of sunny days in Strandhill 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 Strandhill experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%19%12%37%33%15%21%16%14%15%18%13%
Data source: Strandhill September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Strandhill in September

As summer gradually fades in Strandhill, Ireland, September heralds a gentle decline in daylight, with an average of 12 hours illuminating the days. This month's daylight reflects the transition from the vibrant, sun-soaked days of July and August—each boasting up to 16 and 14 hours respectively—into the more muted light of autumn. The months leading up to September showcase a steady increase in daylight, peaking in June with an impressive 17 hours. Following this zenith, September serves as a bridge, where the days still feel long, yet are unmistakably shorter than the peak summer days. As the season shifts, the fading light hints at the cozy months to come, with October introducing even shorter days at 10 hours. This rhythmic change not only influences daily life in Strandhill but also adds a charming character to the onset of fall.

Average Daylight Hours in Strandhill for September

The chart illustrates the variation in daylight duration in Strandhill throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 58m9h 45m11h 54m14h 6m16h 3m17h 5m16h 31m14h 46m12h 38m10h 27m8h 28m7h 24m
Data source: Strandhill daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Strandhill

As summer transitions to autumn in Strandhill, Ireland, September brings a gentle breeze with an average wind speed of 3.2 m/s (7 mph). This slight shift in wind reflects a broader trend of increasing gusts as the year progresses. Following the calm of July, where winds barely stirred at 2.4 m/s (5 mph), September's breezes elicit a refreshing change. While still moderate, the wind speeds steadily climb into the autumn months, reaching 4.2 m/s (9 mph) in October and peaking at 4.7 m/s (11 mph) by December. This pattern suggests an invigorating and dynamic atmosphere as the seasons change, inviting locals and visitors alike to embrace the beautiful coastal landscape.

Average September Wind Speed in Strandhill

The chart displays monthly wind speed patterns in Strandhill, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.55.44.43.43.73.72.43.13.2 m/s4.24.44.7
Data source: Strandhill September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Strandhill Compares to Other Months

The weather in Strandhill 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 Strandhill and find detailed weather information for every month.

September and January present contrasting weather patterns. In September, temperatures range from a minimum of 2°C to a comfortable maximum of 24°C, with an average of 13°C, making it a milder month. Meanwhile, January experiences colder conditions, with a minimum of -3°C and a maximum of 14°C, averaging at 6°C. Precipitation is relatively high in both months, but September sees more rainfall at 106 mm across 18 days, compared to January's 88 mm over 15 days. Despite the shift in temperatures, humidity remains comparable, with September at 87% and January at 84%. For more details on January weather in this region, you can visit Strandhill weather in January.

September and February present contrasting weather profiles. In September, temperatures range from a chilly 2°C (36°F) at night to a pleasant 24°C (76°F) during the day, with an average of 13°C (55°F). This month experiences 106 mm (4.2 in) of precipitation over 18 days, accompanied by relatively high humidity at 87%. In contrast, February brings colder conditions, with nighttime lows dropping to -4°C (25°F) and a comfortable high of 15°C (59°F), averaging 6°C (43°F). Precipitation increases slightly to 131 mm (5.2 in) over 17 days, with humidity levels at 84%. For a closer look at the details of February weather, visit Strandhill weather in February.

September and March exhibit distinct weather characteristics that highlight the transition between seasons. In September, temperatures range from a low of 2°C (36°F) to a pleasant high of 24°C (76°F), with an average around 13°C (55°F). This month sees about 106 mm (4.2 in) of precipitation over 18 days, accompanied by high humidity at 87%. In contrast, March experiences colder conditions, with temperatures spanning from a minimum of -4°C (24°F) to a maximum of 17°C (63°F), averaging 6°C (44°F). Although March receives a slightly higher precipitation amount of 119 mm (4.7 in) across the same 18 days, humidity remains relatively lower at 83%. For more details on the specific weather patterns during this time, you can visit Strandhill weather in March.

In September, temperatures typically range from a minimum of 2°C to a maximum of 24°C, with an average of 13°C, making it a generally warmer month than April. The level of precipitation in September is higher as well, with 106 mm over 18 days, compared to April's 65 mm over 13 days. Additionally, September boasts a slightly higher humidity level at 87%, compared to April's 84%. For a detailed look at what to expect in April, check out Strandhill weather in April.

In comparing the weather of September and May, we see some notable differences. September typically boasts a wider temperature range, with minimums around 2°C (36°F) and maximums reaching up to 24°C (76°F), offering an average of 13°C (55°F). In contrast, May presents slightly cooler temperatures, with minimums dropping to -1°C (31°F), but with similar maximums of 25°C (77°F) and an average of 11°C (53°F). While both months experience a fair amount of precipitation, September has higher levels at 106 mm (4.2 in) over 18 days, compared to May's 86 mm (3.4 in) over 15 days. Additionally, September's humidity stands at 87%, slightly higher than May's 83%. For more detailed insights into May's weather, you can check Strandhill weather in May.

In comparing the weather of September and June, we see notable differences in both temperature and precipitation. September typically experiences cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 24°C (76°F), while June boasts a warmer range, with temperatures reaching a maximum of 29°C (84°F). Additionally, June has slightly higher precipitation levels, totaling 117 mm (4.6 in) over 17 days, compared to September's 106 mm (4.2 in) over 18 days. Humidity is also fairly high in both months, with September at 87% and June a bit lower at 83%. For a closer look at June weather specifics, you can visit Strandhill weather in June.

In comparing the weather between July and September, notable differences emerge in temperature and precipitation patterns. July typically experiences warmer temperatures, with a minimum of 8°C (46°F) and a maximum of 28°C (83°F), while September sees cooler temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 24°C (76°F). Although both months have similar levels of precipitation—109 mm (4.3 in) in July and 106 mm (4.2 in) in September—they differ in the number of rainy days, with July experiencing 16 days of rainfall compared to September's 18 days. Interestingly, humidity levels remain fairly consistent, with July at 86% and September slightly higher at 87%. For specific details on July weather in the region, visit Strandhill weather in July.

In comparing the weather of September to that of August, September tends to be cooler, with minimum temperatures dropping to 2°C (36°F) compared to August's milder 6°C (43°F). While both months have similar maximum temperatures, averaging 24°C (76°F) in September and 24°C (75°F) in August, September has a lower average temperature of 13°C (55°F) versus August's 15°C (59°F). Additionally, September experiences more precipitation, with 106 mm (4.2 in) over 18 days, while August receives 158 mm (6.2 in) over 22 days. Despite the slight increase in rainfall days, humidity levels remain quite comparable, with September at 87% and August at 86%. For more detailed insights, you can check Strandhill weather in August.

September and October exhibit a noticeable shift in weather patterns. In September, the temperatures range from a minimum of 2°C (36°F) to a maximum of 24°C (76°F), with an average of 13°C (55°F). The month sees a total precipitation of 106 mm (4.2 in) over 18 days, while humidity remains high at 87%. In contrast, October experiences cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 20°C (68°F), averaging at 10°C (51°F). Precipitation increases to 131 mm (5.2 in) over 20 days, but the humidity stays constant at 87%. For more detailed insights into October weather, you can visit Strandhill weather in October.

September and November present distinctly different weather patterns. In September, temperatures tend to be milder, ranging from a minimum of 2°C (36°F) to a maximum of 24°C (76°F), with an average of 13°C (55°F). The month experiences considerable rainfall, with 106 mm (4.2 in) over 18 days and a relative humidity of 87%. In contrast, November temperatures dip lower, with a minimum of -3°C (27°F) and a maximum of 15°C (59°F), leading to an average of 8°C (46°F). November also sees slightly more precipitation at 115 mm (4.5 in) spread over 19 days and a humidity level of 88%. For a closer look at the November climate specifics in Strandhill, check Strandhill weather in November.

In September, temperatures range from a minimum of 2°C (36°F) to a pleasant maximum of 24°C (76°F), with an average of 13°C (55°F). The month experiences significant rainfall, accumulating 106 mm (4.2 in) over 18 days, accompanied by high humidity levels at 87%. In contrast, December brings cooler weather, with temperatures dipping to a minimum of -2°C (29°F) and peaking at 13°C (55°F), averaging around 6°C (44°F). The precipitation rises slightly to 119 mm (4.7 in), spread over 20 days, and humidity remains relatively stable at 84%. For more details on December conditions, visit Strandhill weather in December.

Compare Strandhill's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Strandhill

As September arrives in Strandhill, the weather undergoes a notable transformation. With average temperatures settling around a mild 13°C, the month offers a refreshing reprieve compared to the heat of summer, while still enjoying occasional peaks of 24°C that evoke the last whispers of warmth. However, this shifting season brings increased humidity and a significant number of rainy days—18 in total—resulting in 106 mm of precipitation. The combination of mild temperatures and frequent showers cultivates a lush landscape, making it a unique time to experience the beauty of Strandhill. For a deeper dive into what to expect year-round, explore the Strandhill Climate.