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September Weather in Borris, Ireland

Last updated: August 23, 2025

In Borris, Ireland, the average temperature in September hovers around 13°C (56°F), with minimums dropping to 0°C (33°F) and maximums reaching 25°C (77°F). Expect some rainy spells with an average precipitation of 64 mm (2.5 in) over 11 days, while the humidity remains high at an average of 86%.

September Temperature in Borris

In September in Borris, the average temperature is 13°C (56°F). Maximum temperatures can reach 25°C (77°F), while the minimum can drop as low as 0°C (33°F). It's a great time to explore the outdoors, but be sure to pack layers to stay comfortable during the varying temperatures.

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

The chart illustrates September temperature patterns in Borris, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Borris, September typically has an average temperature of 13°C (56°F), with highs reaching up to 25°C (77°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec424344475258616056514644
Data source: Temperature data for Borris 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 Borris

In Borris in September, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

September Precipitation Trends in Borris

The chart displays monthly precipitation patterns in Borris, 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 Borris, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4892796565676296648997103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Borris

In Borris in September, humidity is 86%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or air-conditioned spaces frequently.

September Average Humidity in Borris

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

In Borris 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 Borris.

Maximum UV Index Levels in Borris for September

The chart shows the monthly maximum UV Index (UVI) for Borris 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 Borris typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Borris 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 Borris Compares to Other Months

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

This table compares monthly weather conditions in Borris, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)48 mm (1.9 inches)85%low
February Weather6°C (44°F)92 mm (3.6 inches)86%low
March Weather7°C (44°F)79 mm (3.1 inches)86%moderate
April Weather9°C (48°F)65 mm (2.6 inches)85%moderate
May Weather11°C (53°F)65 mm (2.5 inches)83%high
June Weather14°C (58°F)67 mm (2.7 inches)85%very high
July Weather16°C (61°F)62 mm (2.4 inches)86%very high
August Weather15°C (60°F)96 mm (3.8 inches)85%high
September Weather13°C (56°F)64 mm (2.5 inches)86%moderate
October Weather11°C (51°F)89 mm (3.5 inches)87%moderate
November Weather8°C (46°F)97 mm (3.8 inches)86%low
December Weather7°C (44°F)103 mm (4.0 inches)84%low

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