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September Weather in Dunshaughlin, Ireland

Last updated: August 23, 2025

In Dunshaughlin, Ireland, the average temperature in September hovers around 14°C (57°F). Expect minimums that dip to 2°C (37°F) and maximums that can reach 23°C (74°F). The month also sees an average precipitation of 67 mm (2.6 in) over 13 days, with an average humidity of 86%. Be prepared for a mix of weather!

September Temperature in Dunshaughlin

In September in Dunshaughlin, the average temperature is 14°C (57°F). The maximum can reach 23°C (74°F) and the minimum can be as low as 2°C (37°F). It's a great time for travelers to enjoy mild weather while exploring the sights and attractions.

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

The chart illustrates September temperature patterns in Dunshaughlin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dunshaughlin, September typically has an average temperature of 14°C (57°F), with highs reaching up to 23°C (74°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec434445485358616057524644
Data source: Temperature data for Dunshaughlin 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 Dunshaughlin

In Dunshaughlin in September, the precipitation amount is 67 mm (2.6 in) spread over 13 days.

September Precipitation Trends in Dunshaughlin

The chart displays monthly precipitation patterns in Dunshaughlin, 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 Dunshaughlin, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec517474456470719467758483
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dunshaughlin

In Dunshaughlin in September humidity is 86%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket enveloping you, making travel feel oppressive and uncomfortably sticky.

September Average Humidity in Dunshaughlin

This chart illustrates the average monthly humidity levels in Dunshaughlin, 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 Dunshaughlin is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dunshaughlin

In Dunshaughlin 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 Dunshaughlin.

Maximum UV Index Levels in Dunshaughlin for September

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

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

This table compares monthly weather conditions in Dunshaughlin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)50 mm (2.0 inches)85%low
February Weather6°C (44°F)74 mm (2.9 inches)86%low
March Weather7°C (45°F)74 mm (2.9 inches)86%moderate
April Weather9°C (48°F)45 mm (1.8 inches)85%moderate
May Weather12°C (53°F)64 mm (2.5 inches)83%high
June Weather15°C (59°F)70 mm (2.8 inches)85%very high
July Weather16°C (62°F)71 mm (2.8 inches)86%very high
August Weather16°C (60°F)94 mm (3.7 inches)85%high
September Weather14°C (57°F)67 mm (2.6 inches)86%moderate
October Weather11°C (52°F)75 mm (3.0 inches)87%moderate
November Weather8°C (47°F)84 mm (3.3 inches)86%low
December Weather7°C (44°F)83 mm (3.3 inches)84%low

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