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September Weather in Corris, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Corris, United Kingdom is a mild 13°C (55°F). Expect minimums as low as 1°C (34°F) and highs reaching up to 27°C (80°F). During this time, you'll encounter 110 mm (4.3 in) of precipitation spread over approximately 16 days, with an average humidity of 85%. Prepare accordingly for a balance of cool breezes and occasional rain!

September Temperature in Corris

In September in Corris, the average temperature is 13°C (55°F). Maximums can reach 27°C (80°F), while minimums can dip as low as 1°C (34°F). This variation makes it advisable for travelers to pack layers to accommodate both warm days and chilly nights.

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

The chart illustrates September temperature patterns in Corris, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Corris, September typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (80°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143465157605955504542
Data source: Temperature data for Corris 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 Corris

In Corris in September, the precipitation amount is 110 mm (4.3 in) over a span of 16 days.

September Precipitation Trends in Corris

The chart displays monthly precipitation patterns in Corris, 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 Corris, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec9413412960829585124110138117153
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Corris

In Corris in September, humidity is 85%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making even short walks feel exhausting and urging travelers to seek shade and refreshment frequently.

September Average Humidity in Corris

This chart illustrates the average monthly humidity levels in Corris, 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 Corris is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Corris

In Corris 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 Corris, you can refer to this Hourly UV Index in Corris.

Maximum UV Index Levels in Corris for September

The chart shows the monthly maximum UV Index (UVI) for Corris 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 Corris typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Corris 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 Corris Compares to Other Months

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

This table compares monthly weather conditions in Corris, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)94 mm (3.7 inches)89%low
February Weather5°C (41°F)134 mm (5.3 inches)88%low
March Weather6°C (43°F)129 mm (5.1 inches)86%moderate
April Weather8°C (46°F)60 mm (2.3 inches)84%moderate
May Weather11°C (51°F)82 mm (3.2 inches)79%high
June Weather14°C (57°F)94 mm (3.7 inches)81%very high
July Weather15°C (60°F)85 mm (3.3 inches)78%very high
August Weather15°C (59°F)124 mm (4.9 inches)79%high
September Weather13°C (55°F)110 mm (4.3 inches)85%high
October Weather10°C (50°F)138 mm (5.4 inches)90%moderate
November Weather7°C (45°F)117 mm (4.6 inches)91%low
December Weather6°C (42°F)153 mm (6.0 inches)89%low

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