September 2021 will go down as one of the overall hottest on record for the Front Range, and not much more. Other weather highlights during the month included a multi-day late-summer heatwave, continued smoky skies from the California wildfires, the first snow for many Mountain locations, dismal precipitation for much of the state, and one measly day that could pass for autumn. Here’s a quick and colorful recap of our weather during September and how it relates to climatology.