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September Weather in Newcastle under Lyme, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Newcastle under Lyme, United Kingdom is a comfortable 14°C (57°F), with minimums dipping to 2°C (36°F) and maximums climbing up to 28°C (82°F). Be prepared for 73 mm (2.9 in) of precipitation over approximately 12 days, and expect the average humidity to be around a notable 85%.

September Temperature in Newcastle under Lyme

In September in Newcastle under Lyme, the average temperature is 14°C (57°F), with maximums potentially reaching 28°C (82°F) and minimums dropping as low as 2°C (36°F). It's advisable to pack layers to accommodate for both warm afternoons and cool evenings while traveling.

September Weather in Newcastle under Lyme: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Newcastle under Lyme, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newcastle under Lyme, September typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (82°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec404244485359626157514542
Data source: Temperature data for Newcastle under Lyme 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 Newcastle under Lyme

In Newcastle under Lyme in September, the precipitation amount is 73 mm (2.9 in) occurring over a span of 12 days.

September Precipitation Trends in Newcastle under Lyme

The chart displays monthly precipitation patterns in Newcastle under Lyme, 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 Newcastle under Lyme, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec667078476188878473997189
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Newcastle under Lyme

In Newcastle under Lyme in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Newcastle under Lyme

This chart illustrates the average monthly humidity levels in Newcastle under Lyme, 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 Newcastle under Lyme is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Newcastle under Lyme

In Newcastle under Lyme 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 Newcastle under Lyme.

Maximum UV Index Levels in Newcastle under Lyme for September

The chart shows the monthly maximum UV Index (UVI) for Newcastle under Lyme 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 Newcastle under Lyme typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875421
Data source: Newcastle under Lyme 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 Newcastle under Lyme Compares to Other Months

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

This table compares monthly weather conditions in Newcastle under Lyme, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)66 mm (2.6 inches)90%low
February Weather5°C (42°F)70 mm (2.7 inches)88%low
March Weather7°C (44°F)78 mm (3.1 inches)86%moderate
April Weather9°C (48°F)47 mm (1.9 inches)84%moderate
May Weather12°C (53°F)61 mm (2.4 inches)80%high
June Weather15°C (60°F)88 mm (3.5 inches)81%very high
July Weather17°C (62°F)87 mm (3.4 inches)76%very high
August Weather16°C (61°F)84 mm (3.3 inches)77%high
September Weather14°C (57°F)73 mm (2.9 inches)85%moderate
October Weather11°C (52°F)99 mm (3.9 inches)90%moderate
November Weather7°C (46°F)71 mm (2.8 inches)92%low
December Weather6°C (42°F)89 mm (3.5 inches)90%low

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