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September Weather in Llancillo, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Llancillo, United Kingdom is a mild 14°C (57°F), with a range that can dip to a cool 2°C (36°F) and peak at a warm 27°C (82°F). Expect 58 mm (2.3 in) of precipitation spread over 11 days, and enjoy a comfortable average humidity level of 79%.

September Temperature in Llancillo

In September in Llancillo, the average temperature is 14°C (57°F). Maximums can reach 27°C (82°F), while minimums can drop as low as 2°C (36°F). This variability makes it essential to pack for both warm days and cool evenings when traveling to Llancillo during this time.

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

The chart illustrates September temperature patterns in Llancillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Llancillo, September typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (82°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143475258626056514542
Data source: Temperature data for Llancillo 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 Llancillo

In Llancillo in September, the precipitation amount is 58 mm (2.3 in) over the course of 11 days.

September Precipitation Trends in Llancillo

The chart displays monthly precipitation patterns in Llancillo, 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 Llancillo, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec567783537678647258977998
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Llancillo

In Llancillo in September humidity is 79%. With an average temperature of 14°C (57°F), this humidity feels like a warm, sticky embrace that can make even short strolls feel exhausting, creating a sense of heaviness in the air that might dampen your adventurous spirit while exploring.

September Average Humidity in Llancillo

This chart illustrates the average monthly humidity levels in Llancillo, 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 Llancillo is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Llancillo

In Llancillo in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Llancillo, you can refer to this Hourly UV Index in Llancillo.

Maximum UV Index Levels in Llancillo for September

The chart shows the monthly maximum UV Index (UVI) for Llancillo 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 Llancillo typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Llancillo 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 Llancillo Compares to Other Months

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

This table compares monthly weather conditions in Llancillo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)56 mm (2.2 inches)88%low
February Weather5°C (42°F)77 mm (3.0 inches)88%low
March Weather6°C (44°F)83 mm (3.3 inches)86%moderate
April Weather8°C (47°F)53 mm (2.1 inches)84%high
May Weather11°C (53°F)76 mm (3.0 inches)80%high
June Weather15°C (59°F)78 mm (3.1 inches)80%very high
July Weather17°C (62°F)64 mm (2.5 inches)70%very high
August Weather16°C (61°F)72 mm (2.8 inches)73%high
September Weather14°C (57°F)58 mm (2.3 inches)79%high
October Weather11°C (51°F)97 mm (3.8 inches)89%moderate
November Weather7°C (45°F)79 mm (3.1 inches)90%low
December Weather6°C (43°F)98 mm (3.9 inches)89%low

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