September in Velbert averages a daily high of 19.3°C with nights around 11.5°C. Expect roughly 12.3 wet days totalling 73.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Velbert is May–September.
Based on ESSEN BREDENEY, GM (9.4km), 1995–2024. 30 years of September data.