Growth in household assets outpaced growth in liabilities during the September quarter, according to the Australian Bureau of Statistics.The value of land and dwellings increased by A$93.2 billion to $6.13 trillion in the September quarter, compared with the June quarter, and the value of financial assets grew by $64.3 billion to $4.57 trillion. Other non-financial assets increased by $2.3 billion to $619 billion.Total household asset value grew by two per cent during the quarter.Liabilities increased by $900 million to $2.27 trillion - growth of 0.9 per cent. The net wealth of Australian households grew by 2.2 per cent to $9.06 trillion.The ratio of interest payable to income was 9.9 per cent - down from 10.9 per cent in the June quarter. The ratio has ranged between 9.7 per cent and 10.9 per cent over the past three years.The ratio of mortgage debt to residential land and dwelling value was 27.5 per cent - down ten basis points from June.