September Weather in Ardara, Ireland

Last updated: March 17, 2025

In September, Ardara, Ireland experiences a temperate climate, characterized by a maximum temperature reaching 22°C (73°F) and an average of 13°C (56°F), while nights can bring a refreshing chill with lows around 5°C (41°F). This month sees significant rainfall, totaling 131 mm (5.2 in) across approximately 21 days, contributing to the area's lush greenery. The humidity level hovers around a comfortable 87%, creating a distinct and vibrant September atmosphere. Perfect for cozying up indoors or enjoying brisk walks amidst the stunning landscapes, this season presents a blend of mild warmth and the fresh, invigorating embrace of rainy days.

September Temperature in Ardara

In September, Ardara begins to transition from the warmth of summer into the crispness of autumn. With a minimum temperature of around 5°C (41°F) and an average of 13°C (56°F), the days are pleasantly mild, making it a wonderful time for outdoor exploration. As the month progresses, the maximum temperature peaks at about 22°C (73°F), providing a final taste of summer before the cooler months set in. This gentle decline in temperature from the bustling warmth of August is a clear indicator of the changing seasons, inviting visitors to enjoy the stunning landscapes as they start to display their autumnal hues.

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

The chart illustrates September temperature patterns in Ardara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434344475255585856514745
Data source: Temperature data for Ardara 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 Ardara

In September, Ardara experiences a notable shift in its weather patterns, with precipitation amounting to 131 mm (5.2 in) across 21 days. This rainfall marks a transition from the intense summer deluge of August, which recorded the highest precipitation of the year at 170 mm (6.7 in) over 22 days. As autumn approaches, the frequency and volume of rain contribute to the lush greenery that defines the Irish landscape. This month serves as a reminder that while summer may linger, the rich, moody charm of the fall season is just around the corner, setting the stage for the heavier rains of October, which is expected to bring 176 mm (6.9 in).

September Precipitation Trends in Ardara

The chart displays monthly precipitation patterns in Ardara, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1131481296386113115170131176142159
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ardara

September in Ardara, Ireland, marks a notable shift in humidity levels, as the average rises to 87%, the peak for the month. This increase follows a summer pattern, where humidity levels hovered around 86% in both July and August. As autumn approaches, the air tends to become more saturated, steadily climbing through the month. While the humidity gradually dips in October to 87%, it paves the way for the chillier months ahead, which generally see a slight uptick again in November at 88%. Overall, Ardara's humidity showcases a fascinating ebb and flow throughout the year, reflecting the transition from the warm embrace of summer to the briskness of fall.

September Average Humidity in Ardara

This chart illustrates the average monthly humidity levels in Ardara, 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 Ardara

As summer transitions into autumn, the September UV Index in Ardara, Ireland marks a shift towards more moderate sun exposure, with an index of 5 and a corresponding burn time of 30 minutes. This decline from the peak summer months—characterized by very high levels of UV radiation—signals a return to safer levels, although caution is still warranted. Comparatively, May and June hover around higher indexes, peaking at 7 and 8 respectively, emphasizing the importance of sun protection during those months. With the days growing shorter and the sun's intensity waning, September reminds us of the delicate balance of enjoying sunshine while staying mindful of skin safety. For more details on UV levels throughout the year, check the Ardara UV Index.

Maximum UV Index Levels in Ardara for September

The chart shows the monthly maximum UV Index (UVI) for Ardara 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: Ardara 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 Ardara

September in Ardara, Ireland, offers a splendid 268 hours of sunshine, signaling the gentle transition from summer to autumn. With the sun gracing the sky for nearly 40 hours less than in August, the month still holds a charm that draws both locals and visitors alike. This remains a notable contrast to the long, sunlit days of July, which enjoys the peak at 365 hours. As the days shorten, September invites a golden hue to the landscape, where the leaves start to blush and the crisp air hints at the upcoming fall. It's a time when the vibrant scenery, bathed in early autumn light, becomes a canvas for exploration and contemplation, making it a wonderful month for those seeking the beauty of nature as it prepares for the seasonal shift.

Monthly Sunshine Duration in Ardara: September Highlighted

The September sunshine duration represents the total number of hours Ardara 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.
JanFebMarAprMayJunJulAugSepOctNovDec64h134h180h297h389h359h365h324h268h213h107h75h
Data source: Ardara September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ardara During September

September in Ardara, Ireland, comes with a modest chance of sunny weather, sitting at 16%. As summer fades, the odds of clear skies take a noticeable dip, closely mirroring the likelihood of sunshine seen in October and November. The highs of summer are now behind us—May and June boast a more promising 35% and 15% chance, respectively—indicating a transition towards the fall months where cloud cover becomes more frequent. While September may not be ideal for sun-seekers, those who brave the skies might still be rewarded with fleeting rays amidst the lush, green landscapes that define this charming corner of Ireland.

Percentage of Sunny Days in September in Ardara

The chart illustrates the percentage of sunny days in Ardara 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 Ardara experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%22%12%38%35%15%21%18%16%16%16%12%
Data source: Ardara September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ardara in September

As summer fades into autumn, September in Ardara, Ireland, offers a gentle transition with approximately 12 hours of daylight. This month marks a noticeable decline from the peak brightness of June, which basks in nearly 17 hours of sunshine. Following the vibrant long days of summer, September provides a comforting balance, retaining a good amount of light despite the gradual shift towards shorter days in October. The progression from longer, sun-filled days to the cozy embrace of fall showcases nature's rhythm, inviting residents and visitors alike to savor the lingering warmth and natural beauty of early autumn in this charming Irish town.

Average Daylight Hours in Ardara for September

The chart illustrates the variation in daylight duration in Ardara throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 53m9h 42m11h 54m14h 8m16h 8m17h 12m16h 37m14h 49m12h 38m10h 25m8h 24m7h 18m
Data source: Ardara daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ardara

In Ardara, Ireland, September brings a gentle breeze with an average wind speed of 4.7 m/s (10 mph), capturing the essence of early autumn. As summer fades, the winds gradually strengthen, showcasing a notable decrease from the blustery months of winter, where speeds peak at around 6.9 m/s (16 mph) in November. The trend reflects a calming shift from the higher gusts of late winter and spring, with the soft, cooling winds of September echoing the quiet transition towards the more vigorous autumn gales expected in the coming months. This harmonious blend of breezy comfort makes September an enchanting time to experience the natural beauty of Ardara, as the landscape begins its seasonal transformation.

Average September Wind Speed in Ardara

The chart displays monthly wind speed patterns in Ardara, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.47.56.34.64.85.23.14.14.7 m/s6.26.96.7
Data source: Ardara September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ardara Compares to Other Months

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

In September, temperatures range from a cool 5°C (41°F) to a comfortable 22°C (73°F), with an average of 13°C (56°F). The month experiences significant rainfall, totaling 131 mm (5.2 in) across 21 days, and maintains a high humidity level of 87%. In contrast, January's weather is much colder, with temperatures dipping as low as -1°C (30°F) and peaking at 14°C (57°F), averaging 6°C (44°F). Although January sees slightly less precipitation at 112 mm (4.4 in) over 18 days, the overall humidity is still relatively high at 84%. For a closer look at January's weather specifics, you can check Ardara weather in January.

September and February present distinct contrasts in weather patterns. September typically showcases a milder temperature range, with minimums around 5°C (41°F) and maximums reaching 22°C (73°F), while February experiences colder temperatures, with a minimum of -2°C (29°F) and a maximum of 14°C (58°F). Both months have notable precipitation, with September receiving 131 mm (5.2 in) over 21 days, compared to February's 148 mm (5.8 in) across 18 days. Humidity levels are relatively high in both months, with September slightly higher at 87% compared to February's 84%. For more detailed insights into February weather, you can check Ardara weather in February.

When comparing the weather in September and March, it’s clear that each month brings distinct characteristics. September features a milder climate with average temperatures ranging from 5°C (41°F) to a pleasant max of 22°C (73°F), while March experiences colder conditions, with temperatures dipping as low as -3°C (27°F) and peaking at 16°C (61°F). Both months see similar precipitation levels, with September slightly wetter at 131 mm (5.2 in) over 21 days compared to March's 129 mm (5.1 in) over 19 days. However, September has a higher humidity level of 87%, while March maintains a slightly lower humidity at 83%. For those interested in a detailed overview of March weather, you can check out Ardara weather in March.

In comparing the weather between September and April, September tends to be milder with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 22°C (73°F), while April sees cooler averages, with temperatures ranging from 0°C (33°F) to 19°C (67°F). Additionally, September experiences significantly higher precipitation, measuring 131 mm (5.2 in) over 21 days, compared to April's 63 mm (2.5 in) over 15 days. Humidity levels are relatively similar, hovering around 87% in September and 84% in April. For more detailed insights about April weather, you can visit Ardara weather in April.

When comparing the weather conditions of September and May, we see both similarities and differences. September tends to be slightly warmer, with average temperatures of 13°C (56°F) compared to May's average of 11°C (52°F). However, both months share a maximum temperature of 23°C (73°F), indicating that early summer warmth can linger into September. Precipitation levels are notably higher in September, with 131 mm (5.2 in) over 21 days, whereas May experiences only 85 mm (3.4 in) across 16 days. Additionally, September's humidity is slightly higher at 87% compared to May's 83%. For more detailed information about May's weather, you can visit Ardara weather in May.

In comparing the weather between September and June, both months exhibit relatively mild temperatures, with average readings around 13°C (56°F). However, September tends to be cooler overall, with maximum temperatures reaching only 22°C (73°F), compared to June's warmer peak of 25°C (77°F). Additionally, September experiences more precipitation, totaling 131 mm (5.2 in) across 21 days, while June sees slightly less rainfall at 113 mm (4.4 in) over 18 days. Humidity levels are also marginally higher in September at 87%, compared to June's 83%. For further insights, you can check Ardara weather in June.

When comparing the weather in September and July, it's evident that July is generally warmer and drier. In July, temperatures range from a minimum of 9°C (49°F) to a maximum of 26°C (79°F), with an average of 15°C (59°F), while September sees cooler temperatures with a minimum of 5°C (41°F) and a maximum of 22°C (73°F), averaging at 13°C (56°F). Additionally, September experiences more precipitation, with 131 mm (5.2 in) over 21 days, compared to July’s 115 mm (4.5 in) over 18 days. Humidity levels are quite similar, at 86% in July and slightly higher at 87% in September. For more details on July's weather, you can refer to Ardara weather in July.

In comparing the weather of September and August, September tends to be slightly cooler, with minimum temperatures dipping to 5°C (41°F) compared to August’s minimum of 8°C (47°F). Additionally, while the average maximum temperature in September reaches 22°C (73°F), August sees a slightly lower maximum of 21°C (71°F). September also experiences an increase in precipitation, totaling 131 mm (5.2 in) across 21 days, whereas August has higher rainfall at 170 mm (6.7 in) over 22 days. Humidity levels remain similar, with September at 87% and August at 86%. For more detailed information about the weather in August, you can visit Ardara weather in August.

In September, the weather tends to be milder, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 22°C (73°F) and an average of 13°C (56°F). The month sees about 131 mm (5.2 in) of precipitation over 21 days, maintaining a high humidity level of 87%.

As we transition into October, temperatures drop slightly, with minimums of 3°C (37°F) and maximums of 19°C (67°F), averaging around 11°C (52°F). The rainfall increases to a total of 176 mm (6.9 in) over 23 days, while the humidity remains constant at 87%. For more details on the changes in weather patterns, you can check out Ardara weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 22°C (73°F), with an average of 13°C (56°F). This month experiences significant rainfall, measuring 131 mm (5.2 in) over 21 days, and maintains a high humidity level of 87%. In contrast, November sees cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 15°C (58°F), averaging around 8°C (47°F). Precipitation slightly increases to 142 mm (5.6 in), spread over 22 days, while humidity remains high at 88%. For more detailed information, you can visit Ardara weather in November.

September weather tends to be milder, with average temperatures reaching 13°C (56°F) and maximums climbing as high as 22°C (73°F). Although the month experiences notable rainfall, with 131 mm (5.2 in) of precipitation over 21 days, the humidity remains high at 87%, contributing to a feeling of warmth.

In contrast, December brings cooler temperatures, with averages dropping to 7°C (45°F) and highs capping at 13°C (55°F). This month sees increased rainfall, totaling 159 mm (6.3 in) over 23 days, and slightly lower humidity at 84%. As a result, the weather feels much chillier and more damp compared to September. For a closer look at December conditions, you can check Ardara weather in December.

Compare Ardara's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ardara

As September rolls in, Ardara experiences a noticeable shift in weather, bidding farewell to the summer warmth with average temperatures settling around a cool 13°C. The month often brings a mix of bright days and dreary ones, with frequent rain showers contributing to a substantial 131 mm of precipitation spread across 21 days. Compared to the warmer, drier summer months, September's humidity lingers at a high 87%, creating a distinctly refreshing yet damp atmosphere. For those intrigued by Ardara's unique seasonal transitions, further insights can be explored at Ardara Climate.