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September Weather in Flexbury, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Flexbury, United Kingdom is a pleasant 15°C (59°F), with fluctuations ranging from a cool 4°C (40°F) to a warm 27°C (81°F). Expect some rain, as 82 mm (3.2 in) of precipitation falls over about 13 days, accompanied by an average humidity of 79%.

September Temperature in Flexbury

In September in Flexbury, the average temperature is 15°C (59°F). The maximum can reach 27°C (81°F), and the minimum can be as low as 4°C (40°F). This pleasant climate makes Flexbury an ideal destination for travelers seeking a mild escape.

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

The chart illustrates September temperature patterns in Flexbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Flexbury, September typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (81°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec444546495359626158544946
Data source: Temperature data for Flexbury 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 Flexbury

In Flexbury in September, the total precipitation amount is 82 mm (3.2 in), occurring over the course of 13 days.

September Precipitation Trends in Flexbury

The chart displays monthly precipitation patterns in Flexbury, 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 Flexbury, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec799693517494828982123103137
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Flexbury

In Flexbury in September humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.

September Average Humidity in Flexbury

This chart illustrates the average monthly humidity levels in Flexbury, 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 Flexbury is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Flexbury

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

Maximum UV Index Levels in Flexbury for September

The chart shows the monthly maximum UV Index (UVI) for Flexbury 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 Flexbury typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224679876421
Data source: Flexbury 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 Flexbury Compares to Other Months

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

This table compares monthly weather conditions in Flexbury, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)79 mm (3.1 inches)88%low
February Weather7°C (45°F)96 mm (3.8 inches)88%low
March Weather8°C (46°F)93 mm (3.7 inches)86%moderate
April Weather9°C (49°F)51 mm (2.0 inches)84%high
May Weather12°C (53°F)74 mm (2.9 inches)80%high
June Weather15°C (59°F)94 mm (3.7 inches)80%very high
July Weather17°C (62°F)82 mm (3.2 inches)70%very high
August Weather16°C (61°F)89 mm (3.5 inches)73%high
September Weather15°C (59°F)82 mm (3.2 inches)79%high
October Weather12°C (54°F)122 mm (4.8 inches)89%moderate
November Weather9°C (49°F)103 mm (4.0 inches)90%low
December Weather8°C (47°F)137 mm (5.4 inches)89%low

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