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September Weather in Ballygar, Ireland

Last updated: August 23, 2025

In September, the average temperature in Ballygar, Ireland hovers around 13°C (56°F). Expect a wide range, with minimum temperatures dipping to 2°C (35°F) and highs reaching up to 26°C (78°F). Be prepared for 77 mm (3.0 in) of precipitation spread over 15 days, contributing to an average humidity of 88%.

September Temperature in Ballygar

In September in Ballygar, the average temperature is 13°C (56°F). Maximums can reach 26°C (78°F), while minimums can drop to as low as 2°C (35°F). This mild climate makes it a great time for outdoor activities and exploring the sights.

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

The chart illustrates September temperature patterns in Ballygar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ballygar, September typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (78°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec434344485357605956514644
Data source: Temperature data for Ballygar 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 Ballygar

In Ballygar in September, the precipitation amount is 77 mm (3.0 in) over a span of 15 days.

September Precipitation Trends in Ballygar

The chart displays monthly precipitation patterns in Ballygar, 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 Ballygar, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6911396577581821267710291101
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ballygar

In Ballygar in September, humidity is 88%. With an average temperature of 13°C (56°F), this humidity feels like a thick, warm blanket wrapping around you, making outdoor adventures sticky and challenging.

September Average Humidity in Ballygar

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

In Ballygar 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 Ballygar.

Maximum UV Index Levels in Ballygar for September

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

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

This table compares monthly weather conditions in Ballygar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)69 mm (2.7 inches)88%low
February Weather6°C (43°F)113 mm (4.4 inches)88%low
March Weather7°C (44°F)96 mm (3.8 inches)87%moderate
April Weather9°C (48°F)57 mm (2.3 inches)86%moderate
May Weather12°C (53°F)75 mm (2.9 inches)83%high
June Weather14°C (58°F)81 mm (3.2 inches)83%very high
July Weather16°C (61°F)82 mm (3.2 inches)85%very high
August Weather15°C (59°F)126 mm (5.0 inches)85%high
September Weather13°C (56°F)77 mm (3.0 inches)88%moderate
October Weather10°C (51°F)102 mm (4.0 inches)91%moderate
November Weather8°C (46°F)91 mm (3.6 inches)92%low
December Weather7°C (44°F)101 mm (4.0 inches)89%low

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