September in Villingen-Schwenningen averages a daily high of 19°C with nights around 7°C. Expect roughly 11.3 wet days totalling 58.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Villingen-Schwenningen is June–September.
Based on VILLINGEN SCHWENNINGEN, GM (3km), 1995–2024. 30 years of September data.