http://www.weather.com/storms/winter/news/september-snow-average
While the first three weeks of September are still officially summer, there are several locations in the U.S. where September snow occurs just often enough to not be considered a freak event.
Most of these locations are in the mountains, but not all of them.
We scoured through National Weather Service 30-year average snowfall data to find first-order observing stations which average at least 0.1 inch of snow in September, including parts of New England, the Great Lakes, Plains, Rockies, West and Alaska.
Other locations have picked up September snow in their history, but just not frequently enough to register a 30-year average of greater than a trace. We've listed some of those cities in our "other September notables" section below the regional charts. Data from Mt. Washington, New Hampshire, was provided by the Mount Washington Observatory.
Most of these locations are in the mountains, but not all of them.
We scoured through National Weather Service 30-year average snowfall data to find first-order observing stations which average at least 0.1 inch of snow in September, including parts of New England, the Great Lakes, Plains, Rockies, West and Alaska.
Other locations have picked up September snow in their history, but just not frequently enough to register a 30-year average of greater than a trace. We've listed some of those cities in our "other September notables" section below the regional charts. Data from Mt. Washington, New Hampshire, was provided by the Mount Washington Observatory.
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