September in Salzburg averages a daily high of 20.1°C with nights around 10.3°C. Expect roughly 12.9 wet days totalling 124.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Salzburg is May–September.
Based on SALZBURG, AU (3.3km), 1995–2024. 30 years of September data.