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September Weather in Shirley, United Kingdom

Last updated: August 27, 2025

In Shirley, United Kingdom during the month of September, the average temperature hovers around 13°C (57°F). Expect a minimum of 2°C (35°F) and a maximum that can reach up to 28°C (82°F). Rain enthusiasts should prepare for approximately 71 mm (2.8 in) of precipitation spread over 12 days. With an average humidity level of 85%, it's best to embrace the comfort of breathable fabrics and an umbrella during your visit!

September Temperature in Shirley

In September, in Shirley, the average temperature is 13°C (57°F). Maximums can reach 28°C (82°F), while minimums can be as low as 2°C (35°F). This mild climate makes it a great time to explore outdoor activities and enjoy the local scenery.

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

The chart illustrates September temperature patterns in Shirley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shirley, September typically has an average temperature of 13°C (57°F), with highs reaching up to 28°C (82°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec394143475359626156514541
Data source: Temperature data for Shirley 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 Shirley

In Shirley in September, the precipitation amount is 71 mm (2.8 in) during a total of 12 days.

September Precipitation Trends in Shirley

The chart displays monthly precipitation patterns in Shirley, 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 Shirley, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec627575436582898671967192
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Shirley

In Shirley in September, humidity is 85%. With an average temperature of 13°C (57°F), this humidity feels like a heavy embrace, making traveling feel sticky and uncomfortable, as sweat clings to your skin and the air hangs thick and warm, limiting your energy and enthusiasm for exploration.

September Average Humidity in Shirley

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

In Shirley 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 Shirley.

Maximum UV Index Levels in Shirley for September

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

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

This table compares monthly weather conditions in Shirley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)62 mm (2.4 inches)90%low
February Weather5°C (41°F)75 mm (2.9 inches)88%low
March Weather6°C (44°F)75 mm (2.9 inches)86%moderate
April Weather8°C (47°F)43 mm (1.7 inches)84%moderate
May Weather11°C (53°F)65 mm (2.6 inches)80%high
June Weather15°C (59°F)82 mm (3.2 inches)81%very high
July Weather17°C (62°F)88 mm (3.5 inches)76%very high
August Weather16°C (61°F)86 mm (3.4 inches)77%high
September Weather13°C (57°F)71 mm (2.8 inches)85%moderate
October Weather10°C (51°F)96 mm (3.8 inches)90%moderate
November Weather7°C (45°F)71 mm (2.8 inches)92%low
December Weather5°C (42°F)92 mm (3.6 inches)90%low

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