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September Weather in Grange Hill, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Grange Hill, United Kingdom is a pleasant 15°C (60°F), with minimums dipping to 4°C (40°F) and maximums soaring to 28°C (83°F). You can expect precipitation of about 45 mm (1.8 in) over 9 days, contributing to an average humidity of 80%. Embrace the mild climate and prepare for scattered showers!

September Temperature in Grange Hill

In September in Grange Hill, the average temperature is 15°C (60°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 4°C (40°F). This makes it an ideal time for travelers who enjoy mild weather and a range of outdoor activities.

September Weather in Grange Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Grange Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grange Hill, September typically has an average temperature of 15°C (60°F), with highs reaching up to 28°C (83°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346495562656459544643
Data source: Temperature data for Grange Hill 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 Grange Hill

In Grange Hill in September, the precipitation amount is 45 mm (1.8 in) spread over 9 days.

September Precipitation Trends in Grange Hill

The chart displays monthly precipitation patterns in Grange Hill, 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 Grange Hill, September typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec545253326377647245814884
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grange Hill

In Grange Hill in September humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.

September Average Humidity in Grange Hill

This chart illustrates the average monthly humidity levels in Grange Hill, 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 Grange Hill is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Grange Hill

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

Maximum UV Index Levels in Grange Hill for September

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

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

This table compares monthly weather conditions in Grange Hill, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)54 mm (2.1 inches)91%low
February Weather6°C (43°F)52 mm (2.0 inches)89%low
March Weather8°C (46°F)52 mm (2.1 inches)86%moderate
April Weather10°C (49°F)32 mm (1.3 inches)85%moderate
May Weather13°C (55°F)63 mm (2.5 inches)82%high
June Weather17°C (62°F)77 mm (3.0 inches)81%very high
July Weather18°C (65°F)64 mm (2.5 inches)76%very high
August Weather18°C (64°F)72 mm (2.8 inches)73%high
September Weather15°C (60°F)45 mm (1.8 inches)80%high
October Weather12°C (54°F)81 mm (3.2 inches)89%moderate
November Weather8°C (47°F)48 mm (1.9 inches)92%low
December Weather6°C (44°F)84 mm (3.3 inches)92%low

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