Full Breakdown
Unseasonably Warm Start to Spring Sweeps Eastern Australia
9/5/2026, 7:49:01 PM
Record-Breaking Temperatures Across Sydney and Brisbane
Early September temperatures in Sydney and Brisbane are on track to match midsummer levels. Observations at Sydney’s Observatory Hill station, operating since 1858, recorded 32.1 °C, while Badgerys Creek reached 33 °C. These highs exceed the typical September average by up to 13 °C and approach the city’s midsummer mean of 26.4 °C. Meteorologist Tom Saunders explained that a gusty north-westerly airstream from the interior is lifting maximums, potentially making the first five days of September average around 27 °C—about three degrees above the recent-decade baseline and possibly the hottest early-spring period on record.
Forecasts of Fire, Flood and Snow
The Bureau of Meteorology (BoM) issued a total fire ban for greater Sydney, citing extreme fire danger as dry, windy conditions persist. In southern New South Wales, live cameras captured snowfall at Thredbo’s top station, with a forecast low of –1 °C. BoM meteorologist David Crock noted that heavy rains are expected in north-east Victoria and northern Tasmania, with up to 60 mm in some locations, prompting a flood watch for those catchments. Wind gusts of up to 110 km/h are possible in South Australia’s Mount Lofty and Flinders ranges.
Official Alerts and Agency Responses
The National Council for Fire and Emergency Services warned of heightened fire risk across northern and south-eastern New South Wales, south-east Queensland, north-eastern Tasmania, parts of Western Australia, South Australia, Victoria and large areas of the Northern Territory. The UN’s World Meteorological Organization described the current “supersized” El Niño as strengthening and likely to persist until early 2027, emphasizing its potential to deliver a massive blow to communities and economies worldwide.
Climate Context and Potential Implications
El Niño events typically bring hotter, drier conditions to Australia’s south and east during winter and spring, increasing the likelihood of heatwaves, drought, and bushfires. The unprecedented early-spring heat, combined with concurrent snowfall at high elevations, underscores the variability introduced by this strong El Niño episode and highlights the challenges for fire management, flood preparedness, and winter-sport industries across the continent.
