Japan's exports fell for the first time in 10 months in September, data showed on Thursday, a worry for policymakers as any prolonged weakness in global demand may complicate the central bank's path to exit years of ultra-easy monetary policy.

The euro area trade surplus edged down in August, compared with the last year, with declining exports to China and geopolitical tensions likely to continue to delay a sustained recovery.

Japan’s exports declined for the first time in 10 months in September, sapping momentum from the country’s economic recovery as global demand weakened.