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September Weather in Ballaghaderreen, Ireland

Last updated: August 23, 2025

In Ballaghaderreen, Ireland, the average temperature in September hovers around 13°C (55°F), with a potential range from a chilly 1°C (35°F) to a pleasant 24°C (76°F). Be prepared for some rainy days, as 94 mm (3.7 in) of precipitation can be expected over 18 days. Additionally, you can expect the air to feel quite humid, with an average humidity of 88%.

September Temperature in Ballaghaderreen

In September in Ballaghaderreen, the average temperature is 13°C (55°F), with a maximum reaching 24°C (76°F) and a minimum dipping to as low as 1°C (35°F). This makes it an ideal time for travelers looking to enjoy mild weather while exploring the local attractions.

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

The chart illustrates September temperature patterns in Ballaghaderreen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ballaghaderreen, September typically has an average temperature of 13°C (55°F), with highs reaching up to 24°C (76°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec424243475256595855504543
Data source: Temperature data for Ballaghaderreen 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 Ballaghaderreen

In Ballaghaderreen in September, the precipitation amount is 94 mm (3.7 in) spread over 18 days.

September Precipitation Trends in Ballaghaderreen

The chart displays monthly precipitation patterns in Ballaghaderreen, 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 Ballaghaderreen, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec80127108668710810015194120106110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ballaghaderreen

In Ballaghaderreen in September humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.

September Average Humidity in Ballaghaderreen

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

In Ballaghaderreen 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 Ballaghaderreen.

Maximum UV Index Levels in Ballaghaderreen for September

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

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

This table compares monthly weather conditions in Ballaghaderreen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)80 mm (3.1 inches)88%low
February Weather6°C (42°F)127 mm (5.0 inches)88%low
March Weather6°C (44°F)108 mm (4.3 inches)87%moderate
April Weather9°C (48°F)66 mm (2.6 inches)86%moderate
May Weather11°C (53°F)87 mm (3.4 inches)83%high
June Weather14°C (57°F)108 mm (4.3 inches)83%very high
July Weather15°C (60°F)100 mm (3.9 inches)85%very high
August Weather15°C (59°F)151 mm (5.9 inches)85%high
September Weather13°C (55°F)94 mm (3.7 inches)88%moderate
October Weather10°C (50°F)120 mm (4.7 inches)91%moderate
November Weather7°C (45°F)106 mm (4.2 inches)92%low
December Weather6°C (43°F)110 mm (4.3 inches)89%low

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