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September Weather in Cosby, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Cosby, United Kingdom hovers around 14°C (58°F), with a minimum dipping to 2°C (36°F) and a maximum rising to 29°C (84°F). Expect 63 mm (2.5 in) of precipitation spread over about 10 days, coupled with a notable average humidity of 85%. Prepare for a mild yet damp climate!

September Temperature in Cosby

In September, Cosby experiences an average temperature of 14°C (58°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as 2°C (36°F). Overall, it's advisable to pack layers to accommodate the varying temperatures while exploring this destination.

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

The chart illustrates September temperature patterns in Cosby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cosby, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (84°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec404244485460646258524542
Data source: Temperature data for Cosby 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 Cosby

In Cosby in September, the precipitation amount is 63 mm (2.5 in) over a span of 10 days.

September Precipitation Trends in Cosby

The chart displays monthly precipitation patterns in Cosby, 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 Cosby, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec545765426775817763836380
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cosby

In Cosby in September, humidity is 85%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making even short walks feel heavy and exhausting for traveling.

September Average Humidity in Cosby

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

In Cosby 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 Cosby.

Maximum UV Index Levels in Cosby for September

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

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

This table compares monthly weather conditions in Cosby, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)54 mm (2.1 inches)90%low
February Weather5°C (42°F)57 mm (2.2 inches)88%low
March Weather7°C (44°F)65 mm (2.6 inches)86%moderate
April Weather9°C (48°F)42 mm (1.7 inches)84%moderate
May Weather12°C (54°F)67 mm (2.6 inches)80%high
June Weather15°C (60°F)75 mm (2.9 inches)81%very high
July Weather18°C (64°F)81 mm (3.2 inches)76%very high
August Weather17°C (62°F)77 mm (3.0 inches)77%high
September Weather14°C (58°F)63 mm (2.5 inches)85%moderate
October Weather11°C (52°F)83 mm (3.3 inches)90%moderate
November Weather7°C (45°F)63 mm (2.5 inches)92%low
December Weather6°C (42°F)80 mm (3.1 inches)90%low

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