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September Weather in Kilkeel, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Kilkeel, United Kingdom hovers around 14°C (57°F). Expect a comfortable range, with minimum temperatures dipping to 7°C (45°F) and reaching a maximum of 19°C (66°F). Be prepared for some rain, as 92 mm (3.6 in) of precipitation is expected over 15 days, all while experiencing a notable average humidity of 86%.

September Temperature in Kilkeel

In September in Kilkeel, the average temperature is 14°C (57°F). Maximums can reach 19°C (66°F), while minimums can dip as low as 7°C (45°F). It's advisable to pack layers to comfortably enjoy all that Kilkeel has to offer during this time.

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

The chart illustrates September temperature patterns in Kilkeel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kilkeel, September typically has an average temperature of 14°C (57°F), with highs reaching up to 19°C (66°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec444445475156595957534845
Data source: Temperature data for Kilkeel 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 Kilkeel

In Kilkeel in September, the precipitation amount is 92 mm (3.6 in) distributed over 15 days.

September Precipitation Trends in Kilkeel

The chart displays monthly precipitation patterns in Kilkeel, 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 Kilkeel, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec73101984460788611992113128115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kilkeel

In Kilkeel 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 Kilkeel

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

In Kilkeel 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 Kilkeel.

Maximum UV Index Levels in Kilkeel for September

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

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

This table compares monthly weather conditions in Kilkeel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)73 mm (2.9 inches)85%low
February Weather6°C (44°F)101 mm (4.0 inches)86%low
March Weather7°C (45°F)98 mm (3.9 inches)86%moderate
April Weather8°C (47°F)44 mm (1.7 inches)85%moderate
May Weather11°C (52°F)60 mm (2.4 inches)83%high
June Weather13°C (56°F)78 mm (3.1 inches)85%very high
July Weather15°C (60°F)86 mm (3.4 inches)86%very high
August Weather15°C (59°F)119 mm (4.7 inches)85%high
September Weather14°C (57°F)92 mm (3.6 inches)86%moderate
October Weather11°C (53°F)113 mm (4.4 inches)87%moderate
November Weather9°C (48°F)128 mm (5.0 inches)86%low
December Weather7°C (45°F)115 mm (4.5 inches)84%low

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