South Australia set for hottest September on record and could continue into October SPRINGING INTO SUMMER: Herring brothers Jess, Sam and Toby cool off - the traditional way. YOU'RE right to leave your suit jacket at home or take that extra blanket off the bed because Adelaide is set to record its hottest September ever. Taking the long-range forecast for the rest of the month into account, Adelaide should record an average maximum temperature of 21.9C, well above our usual 19C. GALLERY: Weather images from readers It hasn't been this hot in the state since September 1944, when maximum daytime temperatures averaged 21.5C. The average minimum September temperature for Adelaide is 9.7C, but this month we've been sleeping through lows of just 12.6C. NewsForce: Send your hot weather photos This is also well above our previous hottest minimum of 11.1C in September 1974. As Adelaide slept through a record-breaking September, it looks like next month could follow suit and result in a sweltering spring. Later today, the weather bureau will release its three-monthly long-range forecast for the rest of spring and the start of summer. Senior climatologist Darren Ray said he couldn't divulge what the state should expect ahead of schedule, but said Adelaide could be in for a hotter than usual October. "There are some indications that October could continue to be warmer than average," he said. On Tuesday, in an interesting comparison with our northern hemisphere counterparts, Adelaide recorded a similar temperature to New York, London and Rome, which all topped between 22C and 26C. And if predications are anything to go by, that beautiful weather across the state is set to continue into summer. Unlike previous years when the nation experienced the extreme hot and cold effects of El Niño and La Nina, Weatherzone forecaster Max Gonzalez said we can expect a more normal weather pattern this year. "You can always expect really hot days (but) the long term average for the summer should be around what you normally expect for summer," he said. "We've got a pool across the road so we take them there (and) we head to the beach and they go boogie boarding," she said. And just like many families, mum-of-three Jacqui Flynn, of Forestville, said her boys were already relishing the spring sunshine.