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September Weather in Catterall, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Catterall, United Kingdom hovers around 14°C (57°F), with a range from a cool 4°C (39°F) to a warm 26°C (80°F). Expect about 127 mm (5.0 in) of precipitation over 16 days, contributing to a notable average humidity of 85%. Be prepared for a variety of weather as you explore this charming destination!

September Temperature in Catterall

In September, in Catterall, the average temperature is 14°C (57°F). The maximum can reach 26°C (80°F) and the minimum can be as low as 4°C (39°F). This makes Catterall an ideal destination for travelers seeking mild weather during this time of year.

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

The chart illustrates September temperature patterns in Catterall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Catterall, September typically has an average temperature of 14°C (57°F), with highs reaching up to 26°C (80°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec414244475258616057524643
Data source: Temperature data for Catterall 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 Catterall

In Catterall in September, the precipitation amount is 127 mm (5.0 in), distributed over 16 days.

September Precipitation Trends in Catterall

The chart displays monthly precipitation patterns in Catterall, 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 Catterall, September typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec921351245165109109153127161119140
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Catterall

In Catterall 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 Catterall

This chart illustrates the average monthly humidity levels in Catterall, 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 Catterall is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Catterall

In Catterall 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 Catterall.

Maximum UV Index Levels in Catterall for September

The chart shows the monthly maximum UV Index (UVI) for Catterall 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 Catterall typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: Catterall 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 Catterall Compares to Other Months

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

This table compares monthly weather conditions in Catterall, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)92 mm (3.6 inches)89%low
February Weather6°C (42°F)135 mm (5.3 inches)88%low
March Weather6°C (44°F)124 mm (4.9 inches)86%moderate
April Weather8°C (47°F)51 mm (2.0 inches)84%moderate
May Weather11°C (53°F)65 mm (2.6 inches)79%high
June Weather15°C (59°F)109 mm (4.3 inches)81%very high
July Weather16°C (61°F)109 mm (4.3 inches)78%very high
August Weather16°C (61°F)153 mm (6.0 inches)79%high
September Weather14°C (57°F)127 mm (5.0 inches)85%moderate
October Weather11°C (52°F)161 mm (6.4 inches)90%moderate
November Weather8°C (47°F)119 mm (4.7 inches)91%low
December Weather6°C (43°F)140 mm (5.5 inches)89%low

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