September in Lüneburg averages a daily high of 20.1°C with nights around 10.2°C. Expect roughly 11.1 wet days totalling 49.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Lüneburg is May–September.
Based on WENDISCH EVERN, GM (5.5km), 1995–2024. 24 years of September data.