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September Weather in Chapel Allerton, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Chapel Allerton, United Kingdom hovers around 14°C (57°F), with temperatures dipping as low as 3°C (38°F) and peaking at 28°C (82°F). Expect 67 mm (2.7 in) of precipitation spread over approximately 12 days, contributing to an average humidity of 85%. Prepare for a month that is both refreshing and a bit damp!

September Temperature in Chapel Allerton

In September in Chapel Allerton, the average temperature is 14°C (57°F). The maximum can reach 28°C (82°F), while the minimum can drop to as low as 3°C (38°F). Travelers should prepare for a diverse range of weather conditions, making layering advisable to enjoy all that Chapel Allerton has to offer.

September Weather in Chapel Allerton: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chapel Allerton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chapel Allerton, September typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (82°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec404144475359626157514542
Data source: Temperature data for Chapel Allerton 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 Chapel Allerton

In Chapel Allerton in September, the precipitation amount is 67 mm (2.7 in) over the course of 12 days.

September Precipitation Trends in Chapel Allerton

The chart displays monthly precipitation patterns in Chapel Allerton, 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 Chapel Allerton, September typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec567976406181808268906581
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chapel Allerton

In Chapel Allerton in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Chapel Allerton

This chart illustrates the average monthly humidity levels in Chapel Allerton, 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 Chapel Allerton is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chapel Allerton

In Chapel Allerton 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 Chapel Allerton.

Maximum UV Index Levels in Chapel Allerton for September

The chart shows the monthly maximum UV Index (UVI) for Chapel Allerton 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 Chapel Allerton typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Chapel Allerton 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 Chapel Allerton Compares to Other Months

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

This table compares monthly weather conditions in Chapel Allerton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)56 mm (2.2 inches)90%low
February Weather5°C (42°F)79 mm (3.1 inches)88%low
March Weather7°C (44°F)76 mm (3.0 inches)86%moderate
April Weather8°C (47°F)40 mm (1.6 inches)84%moderate
May Weather12°C (53°F)61 mm (2.4 inches)80%high
June Weather15°C (59°F)81 mm (3.2 inches)81%very high
July Weather17°C (62°F)80 mm (3.1 inches)76%very high
August Weather16°C (61°F)82 mm (3.2 inches)77%high
September Weather14°C (57°F)67 mm (2.7 inches)85%moderate
October Weather11°C (52°F)90 mm (3.6 inches)90%moderate
November Weather7°C (46°F)65 mm (2.5 inches)92%low
December Weather5°C (42°F)81 mm (3.2 inches)90%low

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