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September Weather in Alyth, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Alyth, United Kingdom is a mild 12°C (55°F). Visitors can expect temperatures to fluctuate between a chilly 0°C (32°F) and a warm 25°C (77°F). Precipitation is quite common, with an average of 71 mm (2.8 in) spread over 13 days. Additionally, the region maintains a high average humidity of 90%, making it essential to dress accordingly!

September Temperature in Alyth

In September in Alyth, the average temperature is 12°C (55°F). The maximum can reach 25°C (77°F), and the minimum can be as low as 0°C (32°F). This seasonal variation makes it a great time for travelers to enjoy a mix of mild days and chilly evenings, perfect for layering and outdoor activities.

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

The chart illustrates September temperature patterns in Alyth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alyth, September typically has an average temperature of 12°C (55°F), with highs reaching up to 25°C (77°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec393942455156605854494339
Data source: Temperature data for Alyth 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 Alyth

In Alyth in September, the total precipitation amount is 71 mm (2.8 in) occurring over the course of 13 days.

September Precipitation Trends in Alyth

The chart displays monthly precipitation patterns in Alyth, 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 Alyth, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec51998137767986102711038788
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alyth

In Alyth in September, humidity is 90%. With an average temperature of 12°C (55°F), this humidity feels like you're walking through a heavy mist, making every step feel sluggish and the air dense, which can be quite uncomfortable for traveling.

September Average Humidity in Alyth

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

In Alyth 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 Alyth.

Maximum UV Index Levels in Alyth for September

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

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

This table compares monthly weather conditions in Alyth, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)51 mm (2.0 inches)89%low
February Weather4°C (40°F)98 mm (3.9 inches)88%low
March Weather5°C (42°F)81 mm (3.2 inches)86%moderate
April Weather7°C (45°F)37 mm (1.5 inches)84%moderate
May Weather11°C (51°F)76 mm (3.0 inches)82%high
June Weather13°C (57°F)79 mm (3.1 inches)84%very high
July Weather15°C (60°F)86 mm (3.4 inches)86%high
August Weather15°C (59°F)102 mm (4.0 inches)86%high
September Weather12°C (55°F)71 mm (2.8 inches)90%moderate
October Weather9°C (49°F)102 mm (4.0 inches)91%moderate
November Weather6°C (43°F)87 mm (3.4 inches)92%low
December Weather4°C (40°F)87 mm (3.4 inches)88%low

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