September Weather in Warrington, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Warrington, United Kingdom is a pleasant 14°C (57°F), with temperatures ranging from a cool 3°C (38°F) to a warm 28°C (82°F). Be prepared for a bit of rain, as 98 mm (3.9 in) of precipitation can be expected over 15 days. With an average humidity level of 85%, it's wise to stay hydrated as you explore!

September Temperature in Warrington

In September in Warrington, the average temperature is 14°C (57°F). The maximum can reach 28°C (82°F), while the minimum can drop to as low as 3°C (38°F). Travelers should prepare for a diverse range of weather conditions, making layering advisable to enjoy all that Warrington has to offer.

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

The chart illustrates September temperature patterns in Warrington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Warrington, 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 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec414244485359626157524643
Data source: Temperature data for Warrington 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 Warrington

In Warrington in September, the total precipitation amount is 98 mm (3.9 in) spread over 15 days.

September Precipitation Trends in Warrington

The chart displays monthly precipitation patterns in Warrington, 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 Warrington, September typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec78961014963981001189812196115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Warrington

In Warrington 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 Warrington

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

In Warrington 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 Warrington.

Maximum UV Index Levels in Warrington for September

The chart shows the monthly maximum UV Index (UVI) for Warrington 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 Warrington typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Warrington 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 Warrington Compares to Other Months

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

This table compares monthly weather conditions in Warrington, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)78 mm (3.1 inches)89%low
February Weather6°C (43°F)96 mm (3.8 inches)88%low
March Weather7°C (45°F)101 mm (4.0 inches)86%moderate
April Weather9°C (48°F)49 mm (1.9 inches)84%moderate
May Weather12°C (54°F)63 mm (2.5 inches)79%high
June Weather15°C (60°F)98 mm (3.9 inches)81%very high
July Weather17°C (62°F)100 mm (3.9 inches)78%very high
August Weather16°C (61°F)118 mm (4.6 inches)79%high
September Weather14°C (57°F)98 mm (3.9 inches)85%moderate
October Weather11°C (52°F)121 mm (4.8 inches)90%moderate
November Weather8°C (46°F)96 mm (3.8 inches)91%low
December Weather6°C (43°F)115 mm (4.5 inches)89%low

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