September in Erlangen averages a daily high of 20.5°C with nights around 9.3°C. Expect roughly 10.2 wet days totalling 54.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Erlangen is May–September.
Based on MOHRENDORF KLEINSEEBACH, GM (6.6km), 1995–2024. 30 years of September data.