26 days ago · Sydney
Sydney and parts of NSW swelter through temperatures in the 30s before plummeting 10C within hours

What's happening
SignalsMonitor is following this as a general story. The Guardian World is the outlet attached so far. The reports are tied to Sydney. The first report grouped here was at 21 Sept 2026, 06:06 UTC. The headline in use is “Sydney and parts of NSW swelter through temperatures in the 30s before plummeting 10C within hours”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
Temperatures in Sydney’s outer west peaked at 35C and 32C in the city on Monday before a cool change from the south-east Follow our Australia news live blog for latest updates Get our breaking news email, free app or daily news podcast
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by The Guardian World
Sydney and parts of NSW swelter through temperatures in the 30s before plummeting 10C within hours
Reported by 1 outlet
- The Guardian