NSW nurses and midwives to strike for 24 hours

New South Wales nurses and midwives will strike for 24 hours next Thursday to voice their demands over working conditions.

The state's nurses and midwives union members voted to walk off the job on September 1 as they call on the government to address patient-to-staff ratios.

The union's General Secretary Shaye Candish said the renewed industrial action is due to "dangerous staffing levels and unsustainable workloads".

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"Our members are angry, and they're fed up with being ignored. We indicated to the NSW government earlier this year that we needed an open and meaningful dialogue with them about safe staffing," Candish said.

"We still don't have mandated nurse-to-patient ratios in our public hospitals or health facilities and this is putting patients at risk.

"Nurses and midwives are in a constant state of worry about their patients, and about what they can't do for their patients because they can't be everywhere at once. This is not sustainable."

The union's Assistant General Secretary, Michael Whaites, said both regional and metropolitan nurses are being seriously overworked.

"What our members are asking for is not unreasonable. They are simply asking for staffing ratios, a safer workplace and fair pay," he said.

The union promised despite the strike action that all "life-preserving services" will be maintained in all public hospitals and health services.

Nurses and midwives have held multiple strikes over previous months alongside industrial action from transport workers and teachers during Sydney's year of strikes.