when does the german transfer window close

The German transfer window for the 2025 summer season closed on Monday, September 1, 2025, at 8:00 p.m. CEST. There was also an earlier extra transfer window from June 1 to June 10, 2025, to allow teams like Bayern Munich and Borussia Dortmund to register players ahead of the FIFA Club World Cup. The main summer transfer window then reopened from July 1 to September 1, with the final deadline at 8:00 p.m. on September 1. After this deadline, only unattached players can be signed by German clubs.