Orange County unemployment declined in September as nonfarm employment grew by 3,400 jobs, according to the state Employment Development Department.

The local unemployment rate was 4%, down from 4.5% last month and 5.3% in September 2014.

Nonfarm employment grew to 1,545,200 from 1,541,800 last month.

Orange County has added about 45,000 jobs since September 2014.

Statewide the unadjusted unemployment rate was 5.5% and the national number was 4.9%. The adjusted numbers were 5.9% and 5.1%, respectively.

Government jobs increased by 10,100 from August to September as schools were back in session.

Professional and business services had the largest decline in jobs, with 3,100 fewer jobs compared with August.

The leisure and hospitality sector cut 2,000 jobs as the summer tourist season ended.

Construction also cut 2,000 jobs and trade, transportation and utilities dropped by 1,100 positions.

Manufacturing was virtually unchanged from August to September.

Educational and health services, leisure and hospitality, and the government sector notched the largest gains in the total number of jobs over the last 12 months. Construction was fourth-best.