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September Weather in Kilcoole, Ireland

Last updated: August 23, 2025

In September, the average temperature in Kilcoole, Ireland is a pleasant 14°C (57°F), with minimums dipping to 7°C (44°F) and maximums reaching 20°C (68°F). This month sees a total precipitation of 84 mm (3.3 in) over approximately 14 days, contributing to an average humidity level of 86%.

September Temperature in Kilcoole

In September in Kilcoole, the average temperature is 14°C (57°F), with maximums reaching 20°C (68°F) and minimums dropping as low as 7°C (44°F). It's a great time to explore Kilcoole, so pack a light jacket and enjoy the mild weather!

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

The chart illustrates September temperature patterns in Kilcoole, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kilcoole, September typically has an average temperature of 14°C (57°F), with highs reaching up to 20°C (68°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec444444475156595957534845
Data source: Temperature data for Kilcoole 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 Kilcoole

In Kilcoole in September, the precipitation amount is 84 mm (3.3 in) over the course of 14 days.

September Precipitation Trends in Kilcoole

The chart displays monthly precipitation patterns in Kilcoole, 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 Kilcoole, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7198925267767910284108137122
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kilcoole

In Kilcoole in September humidity is 86%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket enveloping you, making travel feel oppressive and uncomfortably sticky.

September Average Humidity in Kilcoole

This chart illustrates the average monthly humidity levels in Kilcoole, 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 Kilcoole is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kilcoole

In Kilcoole 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 Kilcoole.

Maximum UV Index Levels in Kilcoole for September

The chart shows the monthly maximum UV Index (UVI) for Kilcoole 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 Kilcoole typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Kilcoole 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 Kilcoole Compares to Other Months

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

This table compares monthly weather conditions in Kilcoole, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)71 mm (2.8 inches)85%low
February Weather7°C (44°F)98 mm (3.9 inches)86%low
March Weather7°C (45°F)92 mm (3.6 inches)86%moderate
April Weather8°C (47°F)52 mm (2.1 inches)85%moderate
May Weather11°C (51°F)67 mm (2.6 inches)83%high
June Weather13°C (56°F)76 mm (3.0 inches)85%very high
July Weather15°C (59°F)79 mm (3.1 inches)86%very high
August Weather15°C (60°F)102 mm (4.0 inches)85%high
September Weather14°C (57°F)84 mm (3.3 inches)86%moderate
October Weather12°C (53°F)108 mm (4.3 inches)87%moderate
November Weather9°C (48°F)136 mm (5.4 inches)86%low
December Weather7°C (46°F)121 mm (4.8 inches)84%low

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