National Weather Service United States Department of Commerce

It'll be a beautiful Labor Day across Vermont and northern New York. Mostly clear skies, temperatures warming into the mid to upper 70s, and northerly winds of 5 to 15 mph are expected. No rainfall is in the forecast until the second half of Wednesday with high pressure building back into the region for the end of the week into next weekend.
Here's a summary of typical and extreme temperatures and precipitation through the month of September. You can see more of this type of climate data at this webpage.