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September Weather in Kilmacthomas, Ireland

Last updated: August 23, 2025

In Kilmacthomas, Ireland, the average temperature in September is a mild 14°C (57°F), with a minimum of 2°C (35°F) and a maximum reaching up to 24°C (76°F). Expect about 62 mm (2.4 in) of precipitation over approximately 11 days, contributing to an average humidity level of 88%. Whether you're exploring the scenery or cozying up indoors, this month is sure to be memorable!

September Temperature in Kilmacthomas

In September in Kilmacthomas, the average temperature is 14°C (57°F). The maximum can reach 24°C (76°F), while the minimum can drop as low as 2°C (35°F). This mild climate makes it a great time to explore Kilmacthomas, so be sure to pack accordingly for both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Kilmacthomas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kilmacthomas, September typically has an average temperature of 14°C (57°F), with highs reaching up to 24°C (76°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec434444485257616056514645
Data source: Temperature data for Kilmacthomas 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 Kilmacthomas

In Kilmacthomas in September, the precipitation amount is 62 mm (2.4 in) spread over 11 days.

September Precipitation Trends in Kilmacthomas

The chart displays monthly precipitation patterns in Kilmacthomas, 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 Kilmacthomas, September typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5099826965626092629295107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kilmacthomas

In Kilmacthomas 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 Kilmacthomas

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

In Kilmacthomas 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 Kilmacthomas.

Maximum UV Index Levels in Kilmacthomas for September

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

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

This table compares monthly weather conditions in Kilmacthomas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)50 mm (2.0 inches)88%low
February Weather7°C (44°F)99 mm (3.9 inches)88%low
March Weather7°C (45°F)82 mm (3.2 inches)87%moderate
April Weather9°C (48°F)69 mm (2.7 inches)86%moderate
May Weather11°C (53°F)65 mm (2.5 inches)83%high
June Weather14°C (58°F)62 mm (2.4 inches)83%very high
July Weather16°C (61°F)60 mm (2.4 inches)85%very high
August Weather15°C (60°F)92 mm (3.6 inches)85%high
September Weather14°C (57°F)62 mm (2.4 inches)88%moderate
October Weather11°C (52°F)92 mm (3.6 inches)91%moderate
November Weather8°C (47°F)95 mm (3.7 inches)92%low
December Weather7°C (45°F)107 mm (4.2 inches)89%low

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