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Firefighters across greater Sydney are on high alert as the city endures summer-like temperatures.
A total fire ban has been declared for Sydney, the Blue Mountains, the Central Coast, and South Coast.
The city is forecast to reach 33 degrees on Tuesday.
The mercury in Penrith is predicted to reach 35 degrees – 13 degrees above the September average.
More than 20 schools across the South Coast have closed due to today’s heat.
