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September Weather in Knighton, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Knighton, United Kingdom is a mild 13°C (56°F). Expect minimums dipping to 2°C (36°F) and highs reaching up to 27°C (81°F). During this month, 58 mm (2.3 in) of precipitation falls over approximately 11 days, with an average humidity of around 85%.

September Temperature in Knighton

In September in Knighton, the average temperature is a comfortable 13°C (56°F), with maximums potentially reaching 27°C (81°F) and minimums dropping as low as 2°C (36°F). This makes it an ideal time for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Knighton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Knighton, September typically has an average temperature of 13°C (56°F), with highs reaching up to 27°C (81°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143465258616056504542
Data source: Temperature data for Knighton 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 Knighton

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

September Precipitation Trends in Knighton

The chart displays monthly precipitation patterns in Knighton, 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 Knighton, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec567883527580617158927993
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Knighton

In Knighton in September humidity is 85%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that wraps around you, making outdoor activities feel heavier and less enjoyable, as layers of clothing cling to the skin and breath becomes visible in the moist air.

September Average Humidity in Knighton

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

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

Maximum UV Index Levels in Knighton for September

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

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

This table compares monthly weather conditions in Knighton, 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)89%low
February Weather5°C (41°F)78 mm (3.1 inches)88%low
March Weather6°C (43°F)83 mm (3.3 inches)86%moderate
April Weather8°C (47°F)52 mm (2.0 inches)84%high
May Weather11°C (52°F)75 mm (3.0 inches)79%high
June Weather14°C (58°F)80 mm (3.1 inches)81%very high
July Weather16°C (62°F)61 mm (2.4 inches)78%very high
August Weather15°C (60°F)71 mm (2.8 inches)79%high
September Weather13°C (56°F)58 mm (2.3 inches)85%high
October Weather10°C (51°F)92 mm (3.6 inches)90%moderate
November Weather7°C (45°F)79 mm (3.1 inches)91%low
December Weather5°C (42°F)93 mm (3.6 inches)89%low

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