COLORADO (KOAA) — September has seen the largest amount of warming in the last 30 years in Colorado, of any month of the year Data from the National Oceanic and Atmospheric Administration show that the state, El Paso, and Pueblo counties have all warmed 2 degrees in September.

Between 1960 and 1990:

Colorado averaged 57 degrees

El Paso County averaged 58.6 degrees

Pueblo County averaged 63.4 degrees

Between 1990 and 2020:

Colorado averaged 59 degrees

El Paso County averaged 60.6 degrees

Pueblo County averaged 65.4 degrees

Of course, it does still cool down in September. And two degrees doesn't sound like a big change.

But what this shows up as is more 90 degree days that last later into the month: when the leaves change, when the growing season ends, and how often it snows.

It's

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