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September Weather in Stepaside, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Stepaside, United Kingdom hovers around 15°C (59°F), with lows dipping to 7°C (45°F) and highs reaching up to 25°C (77°F). Expect 101 mm (4.0 in) of precipitation spread over approximately 15 days, contributing to an average humidity level of around 79%.

September Temperature in Stepaside

In September in Stepaside, the average temperature is 15°C (59°F). The maximum can reach 25°C (77°F), while the minimum can drop as low as 7°C (45°F). This pleasant climate makes Stepaside an ideal destination for travelers looking to explore comfortably during this time.

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

The chart illustrates September temperature patterns in Stepaside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stepaside, September typically has an average temperature of 15°C (59°F), with highs reaching up to 25°C (77°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec454546495358626159555047
Data source: Temperature data for Stepaside 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 Stepaside

In Stepaside in September, the total precipitation amount is 101 mm (4.0 in) over the course of 15 days.

September Precipitation Trends in Stepaside

The chart displays monthly precipitation patterns in Stepaside, 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 Stepaside, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec841089754718874113101142137156
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Stepaside

In Stepaside 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 Stepaside

This chart illustrates the average monthly humidity levels in Stepaside, 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 Stepaside 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 Stepaside

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

Maximum UV Index Levels in Stepaside for September

The chart shows the monthly maximum UV Index (UVI) for Stepaside 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 Stepaside typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Stepaside 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 Stepaside Compares to Other Months

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

This table compares monthly weather conditions in Stepaside, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)84 mm (3.3 inches)88%low
February Weather7°C (45°F)108 mm (4.3 inches)88%low
March Weather8°C (46°F)97 mm (3.8 inches)86%moderate
April Weather9°C (49°F)54 mm (2.1 inches)84%high
May Weather12°C (53°F)71 mm (2.8 inches)80%high
June Weather15°C (59°F)88 mm (3.5 inches)80%very high
July Weather16°C (62°F)74 mm (2.9 inches)70%very high
August Weather16°C (62°F)113 mm (4.4 inches)73%high
September Weather15°C (59°F)101 mm (4.0 inches)79%high
October Weather13°C (55°F)142 mm (5.6 inches)89%moderate
November Weather10°C (50°F)137 mm (5.4 inches)90%low
December Weather8°C (48°F)156 mm (6.1 inches)89%low

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