Climate Matters: Novembers Warming Across the U.S.
September weather in November? It's no fluke.
The nationwide average November temperature has risen 0.51°F per decade since 1970, on average, giving a total warming of 2.3°F during that time. Plus, Novembers are warming slightly more than falls as a whole at 0.43°F per decade, on average, for a total of 1.9°F.