Monday, September 8, 2014
While the fall will kick off with days of sunshine and temperatures above normal in some Northeast cities, including New York City and Philadelphia, the polar vortex may make its return for short, sporadic periods this month, forecasts AccuWeather. “The vortex could slip at times, maybe even briefly in September for the Northeast,” AccuWeather lead long-range forecaster Paul Pastelok says. “There could be a significant shot of chilly air that comes across the Great Lakes region and into the interior Northeast sometime in mid- to late-September.”