tAt least 100 people have been killed and many are injured after a shootings and an explosion in Paris on Friday night.
Explosions were reported outside the game between Germany and France at Stade de France stadium.
"We are all shaken and shocked," Löw told reporters as emergency workers, police and armed forces responded to the attacks.
"For me, the sport and the score are all in the background," he continued, referring to Germany's defeat to France 2-0.
Earlier on Friday, the hotel where the German team was staying had to be evacuated due to a bomb threat.
Business manager Oliver Bierhoff spoke of "great uncertainty, great anxiety and great sadness" among the team members.
The sound of the explosions could be heard during TV broadcasts of the game.
Fans were allowed to exit by walking across the pitch when the game ended and as the number of fatalities counted began to grow.
Chancellor Angela Merkel also expressed remorse over the news.
"I am profoundly shocked by the news and images from Paris. At this time, my thoughts are with the victims of these apparently terrorist attacks, and with their families and all residents of Paris," Merkel said in a statement.