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September Weather in Dunbar, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Dunbar, United Kingdom hovers around 13°C (56°F), with a chilly minimum of 8°C (46°F) and a pleasant maximum of 20°C (68°F). Expect 67 mm (2.6 in) of precipitation spread over 13 days, contributing to an average humidity level of a refreshing 88%. Prepare for a mix of cozy days and occasional rain!

September Temperature in Dunbar

In September in Dunbar, the average temperature is 13°C (56°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop to as low as 8°C (46°F). This mild climate makes Dunbar an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates September temperature patterns in Dunbar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dunbar, September typically has an average temperature of 13°C (56°F), with highs reaching up to 20°C (68°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec424243455054585855524743
Data source: Temperature data for Dunbar 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 Dunbar

In Dunbar in September, the precipitation amount is 67 mm (2.6 in) spread over 13 days.

September Precipitation Trends in Dunbar

The chart displays monthly precipitation patterns in Dunbar, 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 Dunbar, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5381703051907691671128786
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dunbar

In Dunbar in September, humidity is 88%. With an average temperature of 13°C (56°F), this humidity feels like a thick, warm blanket wrapping around you, making outdoor adventures sticky and challenging.

September Average Humidity in Dunbar

This chart illustrates the average monthly humidity levels in Dunbar, 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 Dunbar is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dunbar

In Dunbar 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 Dunbar.

Maximum UV Index Levels in Dunbar for September

The chart shows the monthly maximum UV Index (UVI) for Dunbar 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 Dunbar typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765311
Data source: Dunbar 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 Dunbar Compares to Other Months

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

This table compares monthly weather conditions in Dunbar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)53 mm (2.1 inches)90%low
February Weather5°C (42°F)81 mm (3.2 inches)88%low
March Weather6°C (43°F)70 mm (2.7 inches)86%moderate
April Weather7°C (45°F)30 mm (1.2 inches)85%moderate
May Weather10°C (50°F)51 mm (2.0 inches)80%high
June Weather12°C (55°F)90 mm (3.5 inches)83%very high
July Weather15°C (59°F)76 mm (3.0 inches)82%high
August Weather15°C (59°F)91 mm (3.6 inches)82%high
September Weather13°C (56°F)67 mm (2.6 inches)88%moderate
October Weather11°C (52°F)112 mm (4.4 inches)90%moderate
November Weather8°C (47°F)87 mm (3.4 inches)92%low
December Weather6°C (43°F)86 mm (3.4 inches)89%low

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