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September Weather in Runcton Holme, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Runcton Holme, United Kingdom is a pleasant 15°C (59°F). Expect minimums dropping to 4°C (40°F) and highs reaching up to 27°C (80°F). Be prepared for some rain, as 73 mm (2.9 in) of precipitation typically occurs over 11 days. With an average humidity of 84%, it’s a month that calls for light layers and a reliable umbrella!

September Temperature in Runcton Holme

In September in Runcton Holme, the average temperature is 15°C (59°F). Maximums can reach 27°C (80°F), and minimums can be as low as 4°C (40°F). Be sure to pack a variety of clothing to comfortably enjoy both warm and cooler moments during your travels.

September Weather in Runcton Holme: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Runcton Holme, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Runcton Holme, September typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (80°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345485460646459544743
Data source: Temperature data for Runcton Holme 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 Runcton Holme

In Runcton Holme in September, the precipitation amount is 73 mm (2.9 in), spread over 11 days.

September Precipitation Trends in Runcton Holme

The chart displays monthly precipitation patterns in Runcton Holme, 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 Runcton Holme, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec506258336678668173885583
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Runcton Holme

In Runcton Holme in September, humidity is 84%. With an average temperature of 15°C (59°F), this humidity feels like an oppressive blanket wrapping around you, making it challenging to enjoy outdoor activities and travel comfortably.

September Average Humidity in Runcton Holme

This chart illustrates the average monthly humidity levels in Runcton Holme, 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 Runcton Holme is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%85%83%83%80%78%84%88%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Runcton Holme

In Runcton Holme 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 Runcton Holme.

Maximum UV Index Levels in Runcton Holme for September

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

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

This table compares monthly weather conditions in Runcton Holme, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)50 mm (2.0 inches)89%low
February Weather6°C (43°F)62 mm (2.4 inches)87%low
March Weather7°C (45°F)58 mm (2.3 inches)86%moderate
April Weather9°C (48°F)33 mm (1.3 inches)85%moderate
May Weather12°C (54°F)66 mm (2.6 inches)83%high
June Weather16°C (61°F)78 mm (3.1 inches)83%very high
July Weather18°C (64°F)66 mm (2.6 inches)79%very high
August Weather18°C (64°F)81 mm (3.2 inches)78%high
September Weather15°C (59°F)73 mm (2.9 inches)84%moderate
October Weather12°C (54°F)88 mm (3.5 inches)88%moderate
November Weather8°C (47°F)55 mm (2.2 inches)89%low
December Weather6°C (43°F)83 mm (3.3 inches)88%low

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