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September Weather in Sleights, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Sleights, United Kingdom hovers around 13°C (57°F). Expect a minimum drop to 7°C (45°F) and a pleasant maximum of 20°C (68°F). This month also brings 77 mm (3.0 in) of rainfall spread over about 15 days, contributing to an average humidity level of 87%. So, pack accordingly and enjoy the balmy weather!

September Temperature in Sleights

In September in Sleights, the average temperature is 13°C (57°F), with maximums reaching 20°C (68°F) and minimums dropping as low as 7°C (45°F). This mild weather makes it a perfect time for outdoor activities and sightseeing, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Sleights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sleights, September typically has an average temperature of 13°C (57°F), with highs reaching up to 20°C (68°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec414243455055595956524743
Data source: Temperature data for Sleights 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 Sleights

In Sleights in September, the precipitation amount is 77 mm (3.0 in) over a span of 15 days.

September Precipitation Trends in Sleights

The chart displays monthly precipitation patterns in Sleights, 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 Sleights, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6985693858957489771089895
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sleights

In Sleights in September humidity is 87%. With an average temperature of 13°C (57°F), this humidity feels like a damp blanket wrapping around you, making it feel heavier and less comfortable for traveling, as every step seems to require more effort in the muggy air.

September Average Humidity in Sleights

This chart illustrates the average monthly humidity levels in Sleights, 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 Sleights is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%84%83%85%83%82%87%89%90%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sleights

In Sleights 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 Sleights.

Maximum UV Index Levels in Sleights for September

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

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

This table compares monthly weather conditions in Sleights, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)68 mm (2.7 inches)89%low
February Weather6°C (42°F)85 mm (3.3 inches)87%low
March Weather6°C (43°F)69 mm (2.7 inches)85%moderate
April Weather7°C (45°F)38 mm (1.5 inches)84%moderate
May Weather10°C (50°F)58 mm (2.3 inches)83%high
June Weather13°C (56°F)95 mm (3.7 inches)85%very high
July Weather15°C (60°F)74 mm (2.9 inches)83%very high
August Weather15°C (60°F)89 mm (3.5 inches)82%high
September Weather13°C (57°F)77 mm (3.0 inches)87%moderate
October Weather11°C (52°F)108 mm (4.3 inches)89%moderate
November Weather8°C (47°F)98 mm (3.9 inches)90%low
December Weather6°C (43°F)95 mm (3.7 inches)88%low

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