September in Debrecen averages a daily high of 22.5°C with nights around 11.2°C. Expect roughly 8.5 wet days totalling 48.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Debrecen is April–September.
Based on DEBRECEN AIRPORT, HU (4.7km), 1995–2024. 26 years of September data.