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September Weather in Aberfoyle, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Aberfoyle, United Kingdom hovers around 11°C (53°F), with a range from a chilly -3°C (27°F) to a warm 24°C (75°F). Expect 135 mm (5.3 in) of precipitation spread over 18 days, contributing to an overall average humidity of 90%. Dress accordingly to enjoy the full experience!

September Temperature in Aberfoyle

In September in Aberfoyle, the average temperature is 11°C (53°F). The maximum can reach 24°C (75°F), while the minimum can be as low as -3°C (27°F). This makes Aberfoyle an ideal destination for travelers seeking a range of weather experiences, from mild days to cooler nights.

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

The chart illustrates September temperature patterns in Aberfoyle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aberfoyle, September typically has an average temperature of 11°C (53°F), with highs reaching up to 24°C (75°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec383840444955575652474239
Data source: Temperature data for Aberfoyle 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 Aberfoyle

In Aberfoyle in September, the total precipitation amount is 135 mm (5.3 in) spread over 18 days.

September Precipitation Trends in Aberfoyle

The chart displays monthly precipitation patterns in Aberfoyle, 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 Aberfoyle, September typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1231981596289134120166135197157159
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aberfoyle

In Aberfoyle in September, humidity is 90%. With an average temperature of 11°C (53°F), this humidity feels like a heavy cloak, making traveling feel sticky and exhausting, as the dampness clings to your skin and the chill in the air sharpens the discomfort, leaving you longing for a breath of fresh, dry air.

September Average Humidity in Aberfoyle

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

In Aberfoyle 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 Aberfoyle.

Maximum UV Index Levels in Aberfoyle for September

The chart shows the monthly maximum UV Index (UVI) for Aberfoyle 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 Aberfoyle typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Aberfoyle 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 Aberfoyle Compares to Other Months

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

This table compares monthly weather conditions in Aberfoyle, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)123 mm (4.8 inches)89%low
February Weather3°C (38°F)198 mm (7.8 inches)88%low
March Weather4°C (40°F)158 mm (6.2 inches)86%moderate
April Weather6°C (44°F)62 mm (2.4 inches)84%moderate
May Weather10°C (49°F)89 mm (3.5 inches)82%high
June Weather13°C (55°F)134 mm (5.3 inches)84%very high
July Weather14°C (57°F)120 mm (4.7 inches)86%very high
August Weather13°C (56°F)166 mm (6.5 inches)86%high
September Weather11°C (53°F)135 mm (5.3 inches)90%moderate
October Weather8°C (48°F)197 mm (7.8 inches)91%moderate
November Weather6°C (42°F)157 mm (6.2 inches)92%low
December Weather4°C (39°F)159 mm (6.2 inches)88%low

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