September in Cottbus averages a daily high of 20.6°C with nights around 9.6°C. Expect roughly 9.7 wet days totalling 45.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Cottbus is May–September.
Based on COTTBUS, GM (2.3km), 1995–2024. 30 years of September data.