For the second month in a row construction spending took a downturn, dropping 0.4% in September after August’s 0.8% drop.

The U.S. Census Bureau of the Department of Commerce said Monday that construction spending during September 2014 was estimated at a seasonally adjusted annual rate of $950.9 billion, below the revised August estimate of $955.2 billion. The September figure is 2.9% above the September 2013 estimate of $924.2 billion.

The good portion of the drop was in private construction spending, which bodes ill for the housing market.

Spending on private construction was at a seasonally adjusted annual rate of $680.0 billion, 0.1% below the downwardly revised August estimate of $680.8 billion.

Residential construction was at a seasonally adjusted annual rate of $349.1 billion in September, which was 0.4% above the downwardly revised August estimate of $347.7 billion.

During the first 9 months of this year, construction spending amounted to $710.1 billion.

Nonresidential construction was at a seasonally adjusted annual rate of $331.0 billion in September, 0.6% below the revised August estimate of $333.0 billion.

In September, the estimated seasonally adjusted annual rate of public construction spending was $270.9 billion, 1.3% below the revised August estimate of $274.4 billion.

Educational construction was at a seasonally adjusted annual rate of $62.8 billion, 0.1% above the revised August estimate of $62.8 billion. Highway construction was at a seasonally adjusted annual rate of $79.9 billion, 3.7% below the revised August estimate of $82.9 billion.