Unseasonable Heatwave Grips Eastern Australia as Brisbane Braces for Hottest September Day Since 2019

Early spring fire bans have been enacted as Australia’s eastern states confront unusually high temperatures marking the start of the season.

The Bureau of Meteorology (BoM) issued warnings regarding unseasonable heat reaching the low to mid-30s in north-eastern New South Wales and south-east Queensland.

Brisbane faced a projected peak of 34°C, whereas Sydney experienced some relief from recent record-breaking temperatures with a forecasted high of 23°C as the heat shifted northward.

If Brisbane reaches its predicted temperature peak, it will mark the hottest September day in the city since 2019. The weather bureau reported that Brisbane recorded a temperature of 31.6°C in the late morning, while the Ipswich suburb of Amberley peaked at 35.7°C in the early afternoon.

“It is a case of ‘all eyes on the temperatures this afternoon’ until that south-easterly change arrives, which is likely around 6 or 7 pm tonight,” said BoM meteorologist Steve Hadley.

Queensland’s fire department implemented local fire bans for Ipswich and the Lockyer Valley as the state nears record-breaking highs for early September.

Areas stretching from Gladstone to the Gold Coast were expected to fall just a few degrees short of breaking the state’s highest recorded temperatures for the start of spring.

The state had already endured its third-warmest winter on record, with temperatures averaging 1.8°C above the long-term norm.

BoM meteorologist Jonathan How noted that over the past 24 hours, a cold front swept across south-eastern Australia, bringing damaging winds, rain, and storms.

“At the same time, parts of eastern NSW experienced their warmest early spring day on record,” he stated.

However, a dry cool change was advancing up the east coast, bringing milder temperatures starting Monday. Western Australia is forecasted to receive additional rain this week, while Tasmania and Victoria can expect showers.

South-east Queensland’s fire bans came a day after a similar restriction was issued for the greater Sydney region, following early spring temperatures that climbed to 33°C on Saturday in the NSW capital.

Maximum temperatures across the city during the first days of September matched the midsummer average of 26.4°C, representing a warmer start to spring than any other period since observations began.

Severe weather warnings were active across south-eastern Australia over the weekend as damaging winds exacerbated the hot conditions.

Strong winds picked up jumping castles in two separate incidents across NSW and Victoria on Saturday.

Two children were treated for head injuries at a scene in Banksia, in Sydney’s south, before being transported to the hospital.

An infant with minor injuries was also hospitalized, and a woman was treated at the scene.

In Mount Duneed, near Geelong in Victoria’s south-west, two children were hospitalized after the jumping castle they were using was lifted into the air.

Temperatures are expected to decline over the coming days across both NSW and Queensland.

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