With no Delta breeze in sight, the National Weather Service expects temperatures to remain in the mid-90s all through this week.
"Usually in September, we expect to cool off, but that's not happening," said Johnnie Powell, a forecaster with the weather service in Sacramento.
He cited the lack of marine air for the warm temperatures. Saturday's high reached 96 degrees, according to the weather service.
Sacramento is on track to break the record for the longest streak of 90-degree weather in September. The record, set in 1899, is 20 days.
"Right now, we're at 14 days," Powell said. "The last time we did that was in 1948."
On Sept. 1, the high temperature in Sacramento reached 83 degrees, but every day since has been 90 degrees or above.
Today's high is expected to reach 93, according to the weather service. Highs through Friday, the last day of summer, are forecast to be in the 92- to 95-degree range.
Richard Chang and Anita Creamer
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