The article was originally published on https://sfist.com/2025/09/12/expect-the-heat-to-return-to-the-bay-area-monday-and-tuesday/San Francisco's first significant bout of "real summer" or "September summer" looks to be headed here on Monday, with the possibility of those unsettling offshore winds that leave the city feeling hot hot hot. You've got today's persistent marine layer to endure, and another weekend of morning drear and only slightly warmer afternoon temperatures possibly. But just in time for the workweek to begin, a heatwave is going to land in the Bay Area and last a couple of days, and this time SF won't be left out of the party. Yes, the week of Labor Day brought us some balmy days that probably made some of your apartments uncomfortably warm. But as the Chronicle meteorolo

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