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September Weather in Dundonald, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Dundonald, United Kingdom hovers around 13°C (55°F), with a minimum of 2°C (36°F) and a maximum reaching 25°C (77°F). Despite the pleasant temperatures, expect 121 mm (4.7 in) of precipitation spread over 19 days. With an average humidity of 88%, it's a good idea to prepare for a humid atmosphere during your visit!

September Temperature in Dundonald

In September in Dundonald, the average temperature is 13°C (55°F). The maximum can reach 25°C (77°F) and the minimum can be as low as 2°C (36°F). This diverse temperature range makes it a perfect time for travelers to experience both warm days and cool evenings while exploring the area.

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

The chart illustrates September temperature patterns in Dundonald, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dundonald, September typically has an average temperature of 13°C (55°F), with highs reaching up to 25°C (77°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec414143465156585855504642
Data source: Temperature data for Dundonald 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 Dundonald

In Dundonald in September, the total precipitation amount is 121 mm (4.7 in) over the course of 19 days.

September Precipitation Trends in Dundonald

The chart displays monthly precipitation patterns in Dundonald, 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 Dundonald, September typically receives around 121 mm (4.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec1241561224767114112138121167143158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dundonald

In Dundonald in September humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.

September Average Humidity in Dundonald

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

In Dundonald 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 Dundonald.

Maximum UV Index Levels in Dundonald for September

The chart shows the monthly maximum UV Index (UVI) for Dundonald 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 Dundonald typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Dundonald 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 Dundonald Compares to Other Months

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

This table compares monthly weather conditions in Dundonald, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)124 mm (4.9 inches)90%low
February Weather5°C (42°F)156 mm (6.1 inches)88%low
March Weather6°C (43°F)122 mm (4.8 inches)86%moderate
April Weather8°C (46°F)47 mm (1.8 inches)85%moderate
May Weather10°C (51°F)67 mm (2.6 inches)80%high
June Weather13°C (56°F)114 mm (4.5 inches)83%very high
July Weather15°C (59°F)112 mm (4.4 inches)82%very high
August Weather14°C (58°F)138 mm (5.4 inches)82%high
September Weather13°C (55°F)121 mm (4.7 inches)88%moderate
October Weather10°C (51°F)167 mm (6.6 inches)90%moderate
November Weather8°C (46°F)143 mm (5.6 inches)92%low
December Weather6°C (43°F)158 mm (6.2 inches)89%low

Compare Dundonald's Climate with Cities Worldwide