September in Dundee averages a daily high of 17.2°C with nights around 9.1°C. Expect roughly 12.2 wet days totalling 49.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Dundee is June–September.
Based on MYLNEFIELD, UK (6.2km), 1995–2024. 23 years of September data.