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September Weather in Garmouth, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Garmouth, United Kingdom is a mild 13°C (56°F). You can expect temperatures to range from a chilly 9°C (48°F) to a pleasant 19°C (66°F). However, be prepared for 17 days of rain, with an average precipitation of 113 mm (4.4 in), contributing to a high humidity level of 90%. Plan accordingly to enjoy your time!

September Temperature in Garmouth

In September in Garmouth, the average temperature is 13°C (56°F), with maximums reaching up to 19°C (66°F) and minimums dropping as low as 9°C (48°F). It's a great time to visit Garmouth if you enjoy mild weather and want to explore comfortably.

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

The chart illustrates September temperature patterns in Garmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garmouth, September typically has an average temperature of 13°C (56°F), with highs reaching up to 19°C (66°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec434243454954575855524744
Data source: Temperature data for Garmouth 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 Garmouth

In Garmouth in September, the precipitation amount is 113 mm (4.4 in) spread over 17 days, indicating a relatively wet period for the region.

September Precipitation Trends in Garmouth

The chart displays monthly precipitation patterns in Garmouth, 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 Garmouth, September typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec7252624668837975113133123100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Garmouth

In Garmouth in September, humidity is 90%. With an average temperature of 13°C (56°F), this humidity feels like a moist blanket enveloping you, making every step sticky and muggy, and forcing you to take frequent breaks in the shade as you explore the scenery.

September Average Humidity in Garmouth

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

In Garmouth 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 Garmouth.

Maximum UV Index Levels in Garmouth for September

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

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

This table compares monthly weather conditions in Garmouth, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)72 mm (2.8 inches)89%low
February Weather6°C (42°F)52 mm (2.0 inches)88%low
March Weather6°C (43°F)62 mm (2.5 inches)86%moderate
April Weather7°C (45°F)46 mm (1.8 inches)84%moderate
May Weather9°C (49°F)68 mm (2.7 inches)82%high
June Weather12°C (54°F)83 mm (3.3 inches)84%very high
July Weather14°C (58°F)79 mm (3.1 inches)86%high
August Weather14°C (58°F)75 mm (2.9 inches)86%high
September Weather13°C (56°F)113 mm (4.4 inches)90%moderate
October Weather11°C (52°F)133 mm (5.2 inches)91%moderate
November Weather9°C (48°F)123 mm (4.8 inches)92%low
December Weather7°C (44°F)100 mm (3.9 inches)88%low

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