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September Weather in Yarm, United Kingdom

Last updated: August 27, 2025

In Yarm, United Kingdom, the average temperature in September hovers around 14°C (57°F), making it a comfortable time to explore. Expect temperatures to range from a chilly 4°C (40°F) at the low end to a pleasant 25°C (77°F) at the high end. However, be prepared for some rain, as 71 mm (2.8 in) of precipitation typically falls over 12 days. With an average humidity of 87%, it’s wise to stay hydrated and dress accordingly!

September Temperature in Yarm

In September in Yarm, the average temperature is 14°C (57°F), with maximums reaching 25°C (77°F) and minimums dipping to 4°C (40°F). This mild climate makes Yarm an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Yarm, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yarm, September typically has an average temperature of 14°C (57°F), with highs reaching up to 25°C (77°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec414243465257616056514642
Data source: Temperature data for Yarm 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 Yarm

In Yarm in September, the precipitation amount is 71 mm (2.8 in) during a total of 12 days.

September Precipitation Trends in Yarm

The chart displays monthly precipitation patterns in Yarm, 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 Yarm, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec577763355687748071897079
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yarm

In Yarm in September humidity is 87%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every breath feel heavy and sticky, which can be quite challenging for travelers exploring the city.

September Average Humidity in Yarm

This chart illustrates the average monthly humidity levels in Yarm, 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 Yarm is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%84%83%85%83%82%87%89%90%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yarm

In Yarm 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 Yarm.

Maximum UV Index Levels in Yarm for September

The chart shows the monthly maximum UV Index (UVI) for Yarm 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 Yarm typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Yarm 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 Yarm Compares to Other Months

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

This table compares monthly weather conditions in Yarm, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)57 mm (2.2 inches)89%low
February Weather5°C (42°F)76 mm (3.0 inches)87%low
March Weather6°C (44°F)63 mm (2.5 inches)85%moderate
April Weather8°C (46°F)35 mm (1.4 inches)84%moderate
May Weather11°C (52°F)56 mm (2.2 inches)83%high
June Weather14°C (57°F)87 mm (3.4 inches)85%very high
July Weather16°C (61°F)74 mm (2.9 inches)83%very high
August Weather16°C (61°F)80 mm (3.1 inches)82%high
September Weather14°C (57°F)71 mm (2.8 inches)87%moderate
October Weather11°C (52°F)89 mm (3.5 inches)89%moderate
November Weather8°C (46°F)69 mm (2.7 inches)90%low
December Weather5°C (42°F)79 mm (3.1 inches)88%low

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