September Weather in Oughterard, Ireland

Last updated: March 17, 2025

Discover the unique weather patterns of Oughterard, Ireland in September, when temperatures range from a maximum of 25°C (78°F) to a refreshing minimum of 1°C (34°F). The month boasts an average temperature of 13°C (56°F), creating a brisk and invigorating atmosphere. However, be prepared for a considerable amount of precipitation, as Oughterard experiences 91 mm (3.6 in) of rain over approximately 16 days, resulting in a humidity level of 88%. This blend of mild temperatures and frequent rain fosters the lush greenery that Ireland is famed for, inviting visitors to explore its captivating landscapes.

September Temperature in Oughterard

In Oughterard, Ireland, September marks a transitional phase as summer fades and autumn approaches. With minimum temperatures dipping to around 1°C (34°F), the air carries a crispness that invites cozy attire. The average temperature hovers at a comfortable 13°C (56°F), making it an ideal time for scenic walks amidst the changing foliage. Days can still reach up to 25°C (78°F), allowing for lingering moments outside under the milder sun. This month showcases a gentle shift from the warmer summer months, reflected in the decreasing average highs compared to August, while still providing pleasant days before the cooler October sets in.

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

The chart illustrates September temperature patterns in Oughterard, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434344485357595955514644
Data source: Temperature data for Oughterard 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 Oughterard

September in Oughterard, Ireland, marks the transition from summer's lush warmth to the crisp beginnings of autumn. With an average precipitation of 91 mm (about 3.6 inches) spread over 16 days, September's rainfall is notably less than the wettest months of August and October. While it slightly dips from August's hefty 143 mm, it still contributes significantly to the region’s rich, green landscapes. This month sets the stage for the upcoming autumn foliage, often enhanced by the gentle, steady rain that characterizes Oughterard's climate. The consistent precipitation patterns suggest that as summer winds down, the lushness of the countryside remains vibrant, supported by regular rainfall.

September Precipitation Trends in Oughterard

The chart displays monthly precipitation patterns in Oughterard, 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.
JanFebMarAprMayJunJulAugSepOctNovDec851371096878899514391127110120
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oughterard

As autumn approaches, September in Oughterard, Ireland, marks a notable return to higher humidity levels, maintaining a steady 88%. This resurgence echoes the winter months, where humidity peaks reach 91% in October and 92% in November. Observing the trends throughout the year, it's clear that humidity hovers in the upper range, gradually decreasing during the warmer months of May and June before climbing again towards the year's end. This rhythmic pattern emphasizes Oughterard's characteristic moist climate, providing a lush backdrop that transitions beautifully from summer's warmth to the crispness of autumn, while setting the stage for the wet winter ahead.

September Average Humidity in Oughterard

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

As summer fades and autumn approaches, September in Oughterard presents a UV Index of 5, categorizing exposure as moderate. This marks a noticeable decrease from the peak months of June and July, where the UV levels hit a high of 8, demanding cautious sun exposure. While the burn time increases slightly back to 30 minutes, it serves as a reminder that the sun remains potent as we transition into fall. This downward trend in UV Index from the highs of summer indicates the changing seasons, yet it's still wise to stay vigilant about sun protection. For an in-depth look at local UV levels, visit Oughterard UV Index.

Maximum UV Index Levels in Oughterard for September

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

As we transition into autumn, September in Oughterard, Ireland, offers a delightful mix of sunny days, boasting 284 hours of sunshine. This month gracefully bridges the vibrant energy of summer, which enjoyed its peak in May with a remarkable 396 hours, and the waning light of October, where sunshine dwindles to 220 hours. The overall trend showcases a gradual decline in daylight hours as the year progresses, with September serving as a charming reminder of the warm, golden days of summer while foreshadowing the coziness of the months to come. With a steady drop from the bustling summer months, it’s an enchanting time to revel in the scenic beauty of Oughterard, where the sun still generously shines before the landscape transforms for winter.

Monthly Sunshine Duration in Oughterard: September Highlighted

The September sunshine duration represents the total number of hours Oughterard 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.
JanFebMarAprMayJunJulAugSepOctNovDec72h136h185h316h396h380h382h334h284h220h114h91h
Data source: Oughterard September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Oughterard During September

In Oughterard, Ireland, the likelihood of sunny weather in September is relatively low, resting at just 14%, which is in line with the trend of diminishing sunshine encountered throughout the summer months. Following the warmer, sunnier spells of late spring, where May offered a more promising 35% chance of sun, the clouds start to roll back in by September, echoing the patterns seen from the preceding months of June and August, both of which also recorded a mere 19% chance of sunlight. As the days grow shorter and autumn approaches, it becomes increasingly clear that September maintains this subdued outlook, providing a gentle transition into the cooler, cloudier months ahead.

Percentage of Sunny Days in September in Oughterard

The chart illustrates the percentage of sunny days in Oughterard 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 Oughterard experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%19%14%41%35%17%26%20%14%17%24%15%
Data source: Oughterard September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oughterard in September

As summer's warmth begins to wane, September in Oughterard, Ireland, brings a gentle transition in daylight duration, with an average of 12 hours. This reduction from the vibrant 16 hours seen in July and June marks the onset of autumn, as days gradually shorten. Following the lively sunlight of the earlier months, September strikes a balance, allowing for enough daylight to enjoy lingering outdoor activities while hinting at the cooler, darker days ahead. The month provides a beautiful contrast to the 14 hours of sunlight in August, reminding us of nature's cyclical rhythm as we move towards the crispness of October, which offers just 10 hours of daylight.

Average Daylight Hours in Oughterard for September

The chart illustrates the variation in daylight duration in Oughterard throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 6m9h 49m11h 54m14h 2m15h 54m16h 54m16h 22m14h 40m12h 37m10h 30m8h 35m7h 33m
Data source: Oughterard daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Oughterard

As the summer fades, September in Oughterard, Ireland, brings a gentle shift in the winds, with an average speed of 3.2 m/s (7 mph). This reflects a slight dip from the preceding months, where the breezy embrace of August held steady at 3.4 m/s. The transition into autumn indicates not only a mellowing of the winds but also sets the stage for the more dynamic gusts to come, as the average speeds gradually increase through October and November to 4.2 m/s and 4.0 m/s, respectively. This trend of fluctuating winds throughout the year highlights the region's unique climatic tapestry, as it shifts from the calm of summer to the brisk embrace of autumn, inviting both locals and visitors to revel in the crisp invigorating air.

Average September Wind Speed in Oughterard

The chart displays monthly wind speed patterns in Oughterard, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.65.54.53.43.83.62.63.43.2 m/s4.24.04.5
Data source: Oughterard September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Oughterard Compares to Other Months

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

In September, the weather is generally milder with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (78°F), averaging around 13°C (56°F). This month experiences a fair amount of rain, with 91 mm (3.6 in) of precipitation spread over 16 days while maintaining a high humidity level of 88%. Conversely, January brings colder conditions with temperatures dipping as low as -5°C (24°F) and peaking at 14°C (57°F), averaging 6°C (43°F). Precipitation is slightly lower at 85 mm (3.3 in), falling over 12 days, yet the humidity remains consistent at 88%. For more detailed information on January weather, visit Oughterard weather in January.

In comparing the weather of September and February, notable differences emerge. September features a more moderate temperature range, with minimums of 1°C (34°F) and maximums reaching 25°C (78°F), while February experiences colder conditions, with minimums dropping to -4°C (25°F) and maximums capped at 15°C (59°F). Precipitation is also higher in February, totaling 137 mm (5.4 in) over 18 days, compared to 91 mm (3.6 in) across 16 days in September. Interestingly, both months share the same humidity level of 88%, creating a consistently damp atmosphere. For further details about February weather specifically, you can check Oughterard weather in February.

September and March present quite contrasting weather profiles. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 25°C (78°F), with an average of 13°C (56°F), making it a relatively mild month as summer transitions to autumn. The weather is characterized by 91 mm (3.6 in) of precipitation over 16 days and humidity levels around 88%.

In contrast, March experiences cooler temperatures, with minimums dipping down to -5°C (23°F) and maximums reaching 17°C (63°F). The average temperature of 7°C (44°F) highlights the lingering winter chill. March sees slightly more precipitation at 109 mm (4.3 in) spread over the same 16 days, accompanied by a humidity level that remains relatively high at 87%. For more specific insights into March conditions, check out the Oughterard weather in March.

The weather in September tends to be milder than in April, with average temperatures ranging from a low of 1°C (34°F) to a high of 25°C (78°F), while April's temperatures vary from a low of -3°C (27°F) to a high of 20°C (69°F). Precipitation is somewhat more frequent in September, occurring on 16 days for a total of 91 mm (3.6 in), compared to April's 12 days of rain and 68 mm (2.7 in). Both months exhibit high humidity, with September at 88% and April slightly lower at 86%. For more detailed insights on April weather, visit Oughterard weather in April.

September and May exhibit some notable differences in weather patterns. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 25°C (78°F), with an average of 13°C (56°F). The month experiences considerably more precipitation, totaling 91 mm (3.6 in) over 16 days, and boasts a higher humidity level of 88%. In contrast, May sees slightly cooler conditions with a minimum of -2°C (29°F) and a similar maximum of 25°C (77°F), but a lower average temperature of 11°C (53°F). It also receives less precipitation at 78 mm (3.1 in) over 14 days, with humidity at 83%. For a more detailed outlook, you can check Oughterard weather in May. Overall, September feels more humid and wetter, while May offers a cooler and drier climate.

In comparing the weather between September and June, both months exhibit a relatively mild climate, though September tends to be cooler overall. September features temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (78°F), while June enjoys slightly warmer temperatures with a minimum of 4°C (39°F) and a maximum of 29°C (85°F). Precipitation levels are fairly similar, with September recording 91 mm (3.6 in) and June slightly lower at 89 mm (3.5 in), but both months experience rain on approximately 16 days. Additionally, September has higher humidity at 88% compared to June’s 83%, giving September a slightly more damp feeling. For a detailed look at June's weather specifics, you can check Oughterard weather in June.

When comparing the weather in September and July, noticeable differences emerge in temperature and precipitation. September experiences cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 25°C (78°F), while July is warmer, ranging from a minimum of 6°C (42°F) to a maximum of 29°C (84°F). Both months see a significant amount of rainfall, with September receiving 91 mm (3.6 in) over 16 days and July slightly higher at 95 mm (3.7 in) over 15 days. Humidity levels are also comparable, with September at 88% and July at 85%. For more details on July weather, you can visit Oughterard weather in July.

September generally sees cooler temperatures compared to August, with minimums dropping from 5°C (42°F) in August to 1°C (34°F) in September. The average temperature also decreases, from 15°C (59°F) in August to 13°C (56°F) in September, despite a slight rise in maximum temperature to 25°C (78°F) in September. Precipitation is lower in September at 91 mm (3.6 in) over 16 days, compared to August's 143 mm (5.6 in) over 20 days. Humidity remains relatively high in both months, with September at 88% and August at 85%. For more details on August's weather specifics, you can check Oughterard weather in August.

In comparing the weather of September and October, September tends to be warmer with average temperatures reaching 13°C (56°F) and maximums of 25°C (78°F), while October sees a drop in temperatures with an average of 10°C (51°F) and maximums of 20°C (68°F). Precipitation also increases significantly in October, totaling 127 mm (5.0 in) over 18 days, compared to September's 91 mm (3.6 in) over 16 days. Additionally, humidity creeps up slightly from 88% in September to 91% in October, contributing to the overall chill in the air. For more detailed information, check out the Oughterard weather in October.

September and November present contrasting weather patterns. September starts with milder temperatures, ranging from a minimum of 1°C (34°F) to a maximum of 25°C (78°F), with an average of 13°C (56°F). In comparison, November sees a notable drop in temperatures, with minimums dipping to -2°C (29°F) and an average of only 8°C (46°F). Additionally, precipitation increases slightly from 91 mm (3.6 in) over 16 days in September to 110 mm (4.3 in) over 17 days in November, alongside a slight rise in humidity from 88% to 92%. For more details about weather conditions in November, check out Oughterard weather in November.

September and December present notable contrasts in weather. In September, temperatures are milder, ranging from a minimum of 1°C (34°F) to a maximum of 25°C (78°F), with an average of 13°C (56°F). The month experiences 91 mm (3.6 in) of precipitation over about 16 days, coupled with a high humidity level of 88%. In comparison, December brings colder temperatures, where the minimum dips to -4°C (25°F) and the maximum only reaches 13°C (56°F), averaging at 7°C (44°F). Precipitation increases to 120 mm (4.7 in), occurring on approximately 18 days, and humidity remains relatively high at 89%. For more details on December weather, you can check Oughterard weather in December.

Compare Oughterard's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Oughterard

As September unfolds in Oughterard, the weather begins to transition from the warmth of summer to the cooler embrace of autumn. While the maximum temperatures can still reach a pleasant 25°C, the average settles at a mild 13°C, showcasing a notable shift towards more temperate conditions. The month experiences a significant amount of rainfall, with 16 days of precipitation contributing to a total of 91 mm (3.6 in) of moisture, creating that quintessential Irish feel. With humidity levels reaching 88%, the air is often thick and heavy with moisture, contrasting sharply with the drier, warmer days of late summer. For those looking to understand the climate patterns of this serene village, further insights can be explored at Oughterard Climate.