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September Weather in South Cerney, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in South Cerney, United Kingdom is a mild 14°C (58°F). Visitors can expect a range with minimums dipping to 2°C (36°F) and maximums reaching up to 29°C (84°F). This month also brings about 57 mm (2.3 in) of precipitation over 9 days, contributing to an average humidity of 82%. Prepare accordingly for a balance of warmth and occasional rainfall!

September Temperature in South Cerney

In September, South Cerney experiences an average temperature of 14°C (58°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as 2°C (36°F). Overall, it's advisable to pack layers to accommodate the varying temperatures while exploring this destination.

September Weather in South Cerney: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in South Cerney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Cerney, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (84°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec414245485460646258524643
Data source: Temperature data for South Cerney 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 South Cerney

In South Cerney in September, the precipitation amount is 57 mm (2.3 in) over the course of 9 days.

September Precipitation Trends in South Cerney

The chart displays monthly precipitation patterns in South Cerney, 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 South Cerney, September typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec556169487776687457986688
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in South Cerney

In South Cerney in September, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

September Average Humidity in South Cerney

This chart illustrates the average monthly humidity levels in South Cerney, 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 South Cerney is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in South Cerney

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

Maximum UV Index Levels in South Cerney for September

The chart shows the monthly maximum UV Index (UVI) for South Cerney 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 South Cerney typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: South Cerney 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 South Cerney Compares to Other Months

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

This table compares monthly weather conditions in South Cerney, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)55 mm (2.2 inches)91%low
February Weather6°C (43°F)61 mm (2.4 inches)89%low
March Weather7°C (45°F)69 mm (2.7 inches)86%moderate
April Weather9°C (49°F)47 mm (1.9 inches)85%moderate
May Weather12°C (54°F)76 mm (3.0 inches)79%high
June Weather16°C (60°F)76 mm (3.0 inches)80%very high
July Weather18°C (64°F)68 mm (2.7 inches)71%very high
August Weather17°C (62°F)74 mm (2.9 inches)76%high
September Weather14°C (58°F)57 mm (2.3 inches)82%high
October Weather11°C (52°F)98 mm (3.9 inches)90%moderate
November Weather8°C (46°F)66 mm (2.6 inches)92%low
December Weather6°C (43°F)88 mm (3.5 inches)92%low

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