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September Weather in Ardfinnan, Ireland

Last updated: August 23, 2025

In September, the average temperature in Ardfinnan, Ireland hovers around 13°C (56°F). However, be prepared for a wide range, as temperatures can dip to a chilly 1°C (35°F) or soar to a pleasant 24°C (76°F). Expect about 65 mm (2.5 in) of rain spread over 12 days, and don't forget your umbrella since humidity levels can reach a sweltering 88%!

September Temperature in Ardfinnan

In September in Ardfinnan, the average temperature is 13°C (56°F), with maximums reaching 24°C (76°F) and minimums dropping as low as 1°C (35°F). This makes it a suitable time for travelers looking for mild weather and a comfortable climate to explore the area.

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

The chart illustrates September temperature patterns in Ardfinnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ardfinnan, September typically has an average temperature of 13°C (56°F), with highs reaching up to 24°C (76°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec434344475257615956514644
Data source: Temperature data for Ardfinnan 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 Ardfinnan

In Ardfinnan in September, the precipitation amount is 65 mm (2.5 in) over the course of 12 days.

September Precipitation Trends in Ardfinnan

The chart displays monthly precipitation patterns in Ardfinnan, 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 Ardfinnan, September typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec551078970686367966510094110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ardfinnan

In Ardfinnan in September, humidity is 88%. With an average temperature of 13°C (56°F), this humidity feels like a thick, warm blanket wrapping around you, making outdoor adventures sticky and challenging.

September Average Humidity in Ardfinnan

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

In Ardfinnan 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 Ardfinnan.

Maximum UV Index Levels in Ardfinnan for September

The chart shows the monthly maximum UV Index (UVI) for Ardfinnan 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 Ardfinnan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Ardfinnan 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 Ardfinnan Compares to Other Months

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

This table compares monthly weather conditions in Ardfinnan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)55 mm (2.2 inches)88%low
February Weather6°C (44°F)107 mm (4.2 inches)88%low
March Weather7°C (44°F)89 mm (3.5 inches)87%moderate
April Weather9°C (48°F)69 mm (2.7 inches)86%moderate
May Weather11°C (52°F)68 mm (2.7 inches)83%high
June Weather14°C (57°F)63 mm (2.5 inches)83%very high
July Weather16°C (61°F)67 mm (2.7 inches)85%very high
August Weather15°C (60°F)96 mm (3.8 inches)85%high
September Weather13°C (56°F)65 mm (2.5 inches)88%moderate
October Weather11°C (51°F)100 mm (3.9 inches)91%moderate
November Weather8°C (46°F)94 mm (3.7 inches)92%low
December Weather7°C (44°F)110 mm (4.3 inches)89%low

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