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September Weather in Fountainstown, Ireland

Last updated: August 23, 2025

In September, the average temperature in Fountainstown, Ireland hovers around 15°C (58°F), with minimum temperatures dipping to 8°C (47°F) and peaking at a comfortable 21°C (70°F). Expect about 67 mm (2.6 in) of precipitation over 11 days, and prepare for a rather humid experience with an average humidity level of 85%.

September Temperature in Fountainstown

In September in Fountainstown, the average temperature is 15°C (58°F). Maximums can reach 21°C (70°F), and minimums can be as low as 8°C (47°F). This mild climate makes it an ideal time for exploring and enjoying outdoor activities in Fountainstown.

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

The chart illustrates September temperature patterns in Fountainstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fountainstown, September typically has an average temperature of 15°C (58°F), with highs reaching up to 21°C (70°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec464646495357616158545047
Data source: Temperature data for Fountainstown 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 Fountainstown

In Fountainstown in September, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.

September Precipitation Trends in Fountainstown

The chart displays monthly precipitation patterns in Fountainstown, 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 Fountainstown, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec57100806565525678679588106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fountainstown

In Fountainstown in September humidity is 85%. With an average temperature of 15°C (58°F), this humidity feels like an enveloping blanket, making travel feel sticky and heavy, often leading to a sense of discomfort that can drain your energy during outdoor explorations.

September Average Humidity in Fountainstown

This chart illustrates the average monthly humidity levels in Fountainstown, 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 Fountainstown is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%84%84%84%85%85%84%85%86%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fountainstown

In Fountainstown 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 Fountainstown.

Maximum UV Index Levels in Fountainstown for September

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

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

This table compares monthly weather conditions in Fountainstown, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)57 mm (2.2 inches)83%low
February Weather8°C (46°F)100 mm (3.9 inches)85%low
March Weather8°C (46°F)80 mm (3.2 inches)84%moderate
April Weather9°C (49°F)65 mm (2.6 inches)84%high
May Weather12°C (53°F)65 mm (2.5 inches)84%high
June Weather14°C (58°F)52 mm (2.0 inches)85%very high
July Weather16°C (62°F)56 mm (2.2 inches)85%very high
August Weather16°C (61°F)78 mm (3.1 inches)84%high
September Weather15°C (58°F)67 mm (2.6 inches)85%moderate
October Weather12°C (54°F)95 mm (3.7 inches)86%moderate
November Weather10°C (50°F)88 mm (3.5 inches)84%low
December Weather9°C (48°F)106 mm (4.2 inches)83%low

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