Consumer sentiment declined in September to the lowest level in year as Americans anticipated a weaker economy in face of a global slowdown and turbulent financial markets. Stock market jitters may be shaking some Americans’ confidence in the health of the economy, especially as nations abroad experience growth slowdowns. Sustained improvement in the labor market and low energy prices will help provide a buffer for consumer attitudes, which will garner the attention of U.S. central bankers as they consider raising interest rates as soon as next week.