First Day of Fall Will Feel Like Summer From South to the East Coast; Warm Pattern May Continue into October

Chris Dolce
Published: September 21, 2019

Fall officially begins Monday, but much of the South and East Coast will be sweating in summerlike warmth. This forecast could also be a harbinger of what's to come for the rest of the month and even into early October.

Highs on Monday will generally be 5 to 20 degrees above average from the South up to the Interstate 95 corridor of the Northeast.

That means Southerners will see more 90-degree heat, continuing what has already been one of the hottest Septembers on record for many cities in the region. In the Northeast, highs will range from the middle 80s in southern New England to the lower 90s in Washington, D.C.


Forecast Highs on Monday

Temperatures will trend closer to average in the Northeast Tuesday, but in the South, it will continue to be hot with widespread upper 80s and 90s.

The forecast for the final few days of September and into early October projects that the jet stream will ride to the north over the eastern half of the nation and plunge southward into the West.

An area of high pressure will be in place over the South as the jet stream rides to the north to close September and begin October. That means the South will see more hot weather, and above-average temperatures could also grip areas farther north.

That means an expansive area of the South and East could see above-average temperatures between September and October.

There is a greater than 70% chance temperatures will be warmer than average across much of the central and eastern United States from Sept. 28 to Oct. 4, according to the latest 8- to 14-day temperature outlook from NOAA's Climate Prediction Center.

It's likely the Ohio Valley will feel the brunt of heat since it'll be directly underneath an area of high pressure in the upper atmosphere.

Areas farther north will still feel more comfortable since average highs this time of year are continuing to drop off as we get closer to winter.


8- to 14-Day Temperature Outlook


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