Sydney records hottest ever 1 October
Sydney has sweltered through its hottest start to October on record as fire danger warnings have been issued across the state.

According to data from the BOM, there are two years tied for the hottest 1 October on record; a temperature reading of 33.1C was recorded at Observatory Hill weather station in both 1961 and 2009.
However the temperature at the site as of 1.40pm on Sunday was recorded as 34.3C, easily smashing the record.   

https://www.theguardian.com/australia-news/live/2023/oct/01/australia-news-live-afl-politics-labor-weather-fire-danger-childcare-house-prices-greens-victoria-nsw-queensland-coalition?topics=GPE%3AVictoria