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September Weather in Dunvant, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Dunvant, United Kingdom hovers around 14°C (58°F), with a minimum dipping to 2°C (36°F) and a maximum climbing to 28°C (82°F). Expect 104 mm (4.1 in) of precipitation spread over 13 days and an average humidity of 79%, creating a notably moist atmosphere.

September Temperature in Dunvant

In September in Dunvant, the average temperature is 14°C (58°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as 2°C (36°F). This weather makes it a great time for travelers to explore the area, offering a comfortable climate for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Dunvant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dunvant, September typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (82°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec424345485359626157524745
Data source: Temperature data for Dunvant 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 Dunvant

In Dunvant in September, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.

September Precipitation Trends in Dunvant

The chart displays monthly precipitation patterns in Dunvant, 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 Dunvant, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9013110861919589127104152131165
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dunvant

In Dunvant in September, humidity is 79%. With an average temperature of 14°C (58°F), this humidity feels like an oppressive blanket wrapped around you, making even the mild temperatures feel heavier and more stifling for traveling.

September Average Humidity in Dunvant

This chart illustrates the average monthly humidity levels in Dunvant, 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 Dunvant is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dunvant

In Dunvant in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Dunvant, you can refer to this Hourly UV Index in Dunvant.

Maximum UV Index Levels in Dunvant for September

The chart shows the monthly maximum UV Index (UVI) for Dunvant 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 Dunvant typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Dunvant 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 Dunvant Compares to Other Months

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

This table compares monthly weather conditions in Dunvant, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)90 mm (3.6 inches)88%low
February Weather6°C (43°F)131 mm (5.2 inches)88%low
March Weather7°C (45°F)108 mm (4.2 inches)86%moderate
April Weather9°C (49°F)61 mm (2.4 inches)84%high
May Weather12°C (53°F)91 mm (3.6 inches)80%high
June Weather15°C (59°F)95 mm (3.8 inches)80%very high
July Weather17°C (62°F)89 mm (3.5 inches)70%very high
August Weather16°C (61°F)127 mm (5.0 inches)73%high
September Weather14°C (58°F)104 mm (4.1 inches)79%high
October Weather11°C (53°F)152 mm (6.0 inches)89%moderate
November Weather8°C (47°F)131 mm (5.2 inches)90%low
December Weather7°C (45°F)165 mm (6.5 inches)89%low

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