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September Weather in Hillside, United Kingdom

Last updated: August 27, 2025

In Hillside, United Kingdom, the average temperature in September hovers around 13°C (55°F). You'll experience a minimum of 5°C (41°F) and a maximum of 20°C (68°F), making it a cool yet pleasant time to visit. Be prepared for 71 mm (2.8 in) of precipitation over approximately 14 days, and don’t forget that the average humidity sits at a high 90%.

September Temperature in Hillside

In September in Hillside, the average temperature is 13°C (55°F). Maximums can reach 20°C (68°F), and minimums can drop as low as 5°C (41°F). This mild climate makes Hillside an ideal destination for exploring outdoor activities while enjoying comfortable weather.

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

The chart illustrates September temperature patterns in Hillside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hillside, September typically has an average temperature of 13°C (55°F), with highs reaching up to 20°C (68°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec404142444954585755504542
Data source: Temperature data for Hillside 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 Hillside

In Hillside in September, the precipitation amount is 71 mm (2.8 in) over a duration of 14 days.

September Precipitation Trends in Hillside

The chart displays monthly precipitation patterns in Hillside, 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 Hillside, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec49927434727384807111710996
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hillside

In Hillside in September humidity is 90%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious and causing a sticky discomfort that can drain your energy quickly while exploring the sights.

September Average Humidity in Hillside

This chart illustrates the average monthly humidity levels in Hillside, 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 Hillside is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%82%84%86%86%90%91%92%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hillside

In Hillside 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 Hillside.

Maximum UV Index Levels in Hillside for September

The chart shows the monthly maximum UV Index (UVI) for Hillside 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 Hillside typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765311
Data source: Hillside 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 Hillside Compares to Other Months

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

This table compares monthly weather conditions in Hillside, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)49 mm (1.9 inches)89%low
February Weather5°C (41°F)91 mm (3.6 inches)88%low
March Weather6°C (42°F)74 mm (2.9 inches)86%moderate
April Weather7°C (44°F)34 mm (1.3 inches)84%moderate
May Weather9°C (49°F)72 mm (2.8 inches)82%high
June Weather12°C (54°F)73 mm (2.9 inches)84%very high
July Weather14°C (58°F)84 mm (3.3 inches)86%high
August Weather14°C (58°F)80 mm (3.2 inches)86%high
September Weather13°C (55°F)71 mm (2.8 inches)90%moderate
October Weather10°C (51°F)117 mm (4.6 inches)91%moderate
November Weather7°C (46°F)109 mm (4.3 inches)92%low
December Weather5°C (42°F)96 mm (3.8 inches)88%low

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