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September Weather in Ballyduff, Ireland

Last updated: August 23, 2025

In September, the average temperature in Ballyduff, Ireland hovers around 14°C (57°F). Temperatures can range from a chilly 4°C (40°F) to a warm 27°C (80°F). Expect about 91 mm (3.6 in) of precipitation over approximately 18 days, accompanied by high humidity levels averaging 88%. Stay prepared for varied weather during your visit!

September Temperature in Ballyduff

In September in Ballyduff, the average temperature is 14°C (57°F). The maximum can reach 27°C (80°F), while the minimum can dip as low as 4°C (40°F). Pack a mix of light clothing for the daytime and warmer layers for the cooler evenings to ensure a comfortable trip!

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

The chart illustrates September temperature patterns in Ballyduff, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ballyduff, September typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (80°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec454546495357606057534847
Data source: Temperature data for Ballyduff 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 Ballyduff

In Ballyduff in September, the precipitation amount is 91 mm (3.6 in) spread over 18 days.

September Precipitation Trends in Ballyduff

The chart displays monthly precipitation patterns in Ballyduff, 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 Ballyduff, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec851231085765637513391122114139
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ballyduff

In Ballyduff 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 Ballyduff

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

In Ballyduff 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 Ballyduff.

Maximum UV Index Levels in Ballyduff for September

The chart shows the monthly maximum UV Index (UVI) for Ballyduff 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 Ballyduff typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678875421
Data source: Ballyduff 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 Ballyduff Compares to Other Months

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

This table compares monthly weather conditions in Ballyduff, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)85 mm (3.4 inches)88%low
February Weather7°C (46°F)123 mm (4.8 inches)88%low
March Weather8°C (46°F)108 mm (4.3 inches)87%moderate
April Weather10°C (49°F)57 mm (2.2 inches)86%high
May Weather12°C (53°F)65 mm (2.6 inches)83%high
June Weather14°C (57°F)63 mm (2.5 inches)83%very high
July Weather16°C (60°F)75 mm (3.0 inches)85%very high
August Weather15°C (60°F)133 mm (5.2 inches)85%high
September Weather14°C (57°F)91 mm (3.6 inches)88%moderate
October Weather11°C (53°F)122 mm (4.8 inches)91%moderate
November Weather9°C (49°F)113 mm (4.5 inches)92%low
December Weather8°C (47°F)139 mm (5.5 inches)89%low

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