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September Weather in Killeagh, Ireland

Last updated: August 23, 2025

In September, the average temperature in Killeagh, Ireland hovers around 14°C (57°F), with minimums dipping to 4°C (40°F) and maximums soaring to 22°C (72°F). This month typically sees 77 mm (3.0 in) of precipitation over 13 days, contributing to a relatively high humidity level of around 85%.

September Temperature in Killeagh

In September in Killeagh, the average temperature is 14°C (57°F). Maximums can reach 22°C (72°F), and minimums can be as low as 4°C (40°F). It's a great time for travelers to enjoy mild weather while exploring the beautiful sights of Killeagh.

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

The chart illustrates September temperature patterns in Killeagh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Killeagh, September typically has an average temperature of 14°C (57°F), with highs reaching up to 22°C (72°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec444545485257616057524846
Data source: Temperature data for Killeagh 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 Killeagh

In Killeagh in September, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 days.

September Precipitation Trends in Killeagh

The chart displays monthly precipitation patterns in Killeagh, 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 Killeagh, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec68124978075677010377121115129
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Killeagh

In Killeagh in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Killeagh

This chart illustrates the average monthly humidity levels in Killeagh, 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 Killeagh is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%84%84%84%85%85%84%85%86%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Killeagh

In Killeagh 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 Killeagh.

Maximum UV Index Levels in Killeagh for September

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

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

This table compares monthly weather conditions in Killeagh, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)68 mm (2.7 inches)83%low
February Weather7°C (45°F)124 mm (4.9 inches)85%low
March Weather7°C (45°F)97 mm (3.8 inches)84%moderate
April Weather9°C (48°F)80 mm (3.2 inches)84%moderate
May Weather11°C (52°F)75 mm (3.0 inches)84%high
June Weather14°C (57°F)67 mm (2.6 inches)85%very high
July Weather16°C (61°F)70 mm (2.8 inches)85%very high
August Weather15°C (60°F)103 mm (4.1 inches)84%high
September Weather14°C (57°F)77 mm (3.0 inches)85%moderate
October Weather11°C (53°F)121 mm (4.7 inches)86%moderate
November Weather9°C (48°F)115 mm (4.5 inches)84%low
December Weather8°C (46°F)129 mm (5.1 inches)83%low

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