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September Weather in Cloghan, Ireland

Last updated: August 23, 2025

In September, the average temperature in Cloghan, Ireland hovers around 14°C (57°F). Visitors can expect a minimum chill of 1°C (34°F), while the mercury can rise to a warm 26°C (80°F). With an average humidity of 88%, the air can feel quite damp. Be prepared for occasional rain, as 73 mm (2.9 in) of precipitation may fall over 14 days.

September Temperature in Cloghan

In September in Cloghan, the average temperature is 14°C (57°F). Maximum temperatures can reach up to 26°C (80°F), while minimum temperatures can drop as low as 1°C (34°F). This variance makes it essential for travelers to pack layers to accommodate both warm and cool conditions.

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

The chart illustrates September temperature patterns in Cloghan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cloghan, September typically has an average temperature of 14°C (57°F), with highs reaching up to 26°C (80°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec434345485358615956514644
Data source: Temperature data for Cloghan 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 Cloghan

In Cloghan in September, the total precipitation amount is 73 mm (2.9 in) over the course of 14 days.

September Precipitation Trends in Cloghan

The chart displays monthly precipitation patterns in Cloghan, 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. In Cloghan, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6197855164697310373848395
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cloghan

In Cloghan in September humidity is 88%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and giving a sense of stickiness that can drain your energy quickly while exploring.

September Average Humidity in Cloghan

This chart illustrates the average monthly humidity levels in Cloghan, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Cloghan is approximately 88%, offering insight into how humid the weather typically is during this month.
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 Cloghan

In Cloghan in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Cloghan.

Maximum UV Index Levels in Cloghan for September

The chart shows the monthly maximum UV Index (UVI) for Cloghan 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. In September, the maximum UV index in Cloghan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Cloghan 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.

How September Weather in Cloghan Compares to Other Months

Weather in Cloghan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cloghan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Cloghan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)61 mm (2.4 inches)88%low
February Weather6°C (44°F)97 mm (3.8 inches)88%low
March Weather7°C (45°F)85 mm (3.3 inches)87%moderate
April Weather9°C (48°F)51 mm (2.0 inches)86%moderate
May Weather12°C (54°F)64 mm (2.5 inches)83%high
June Weather14°C (58°F)69 mm (2.7 inches)83%very high
July Weather16°C (61°F)73 mm (2.9 inches)85%very high
August Weather15°C (60°F)103 mm (4.1 inches)85%high
September Weather14°C (57°F)73 mm (2.9 inches)88%moderate
October Weather11°C (51°F)84 mm (3.3 inches)91%moderate
November Weather8°C (46°F)83 mm (3.2 inches)92%low
December Weather7°C (44°F)95 mm (3.7 inches)89%low

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