September is usually good for a battle of the seasons. After a nice warm week, temperatures will take a steep jog downward over the Adirondacks this weekend. AVN MOS is showing a low temperature of 27*F near Saranac Lake by early Sunday morning:
This scenario appears to be a near repeat of earlier in the month when temperatures fell into the lower to middle 30s throughout the Adirondacks. Patchy frost developed in the colder spots and dense fog formed near lakes and rivers.
If anything, this might be a slightly cooler air mass. The longer night could provide enough time for temperatures to drop into the upper 20s over the normally colder spots in the Adirondacks this time around.
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