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September Weather in Moycullen, Ireland

Last updated: August 23, 2025

In September, the average temperature in Moycullen, Ireland hovers around 13°C (56°F). Expect a minimum temperature of 2°C (36°F) and a maximum of 26°C (79°F). Be prepared for 91 mm (3.6 in) of precipitation spread over approximately 17 days, contributing to a high average humidity of 88%.

September Temperature in Moycullen

In September in Moycullen, the average temperature is 13°C (56°F). Maximums can reach 26°C (79°F) and minimums can be as low as 2°C (36°F). This makes it a perfect time for travelers to enjoy a range of outdoor activities while dressing in layers to accommodate the varying temperatures.

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

The chart illustrates September temperature patterns in Moycullen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Moycullen, September typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (79°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec444445485357605956514745
Data source: Temperature data for Moycullen 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 Moycullen

In Moycullen in September, the precipitation amount is 91 mm (3.6 in) over the course of 17 days.

September Precipitation Trends in Moycullen

The chart displays monthly precipitation patterns in Moycullen, 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 Moycullen, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec841381086368839113291126108126
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Moycullen

In Moycullen 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 Moycullen

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

In Moycullen 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 Moycullen.

Maximum UV Index Levels in Moycullen for September

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

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

This table compares monthly weather conditions in Moycullen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)83 mm (3.3 inches)88%low
February Weather7°C (44°F)137 mm (5.4 inches)88%low
March Weather7°C (45°F)108 mm (4.3 inches)87%moderate
April Weather9°C (49°F)63 mm (2.5 inches)86%moderate
May Weather12°C (53°F)68 mm (2.7 inches)83%high
June Weather14°C (57°F)83 mm (3.3 inches)83%very high
July Weather16°C (60°F)91 mm (3.6 inches)85%very high
August Weather15°C (59°F)132 mm (5.2 inches)85%high
September Weather13°C (56°F)91 mm (3.6 inches)88%moderate
October Weather11°C (52°F)126 mm (5.0 inches)91%moderate
November Weather8°C (47°F)108 mm (4.3 inches)92%low
December Weather7°C (45°F)126 mm (4.9 inches)89%low

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