Elk in Colorado in September

Yes, September is one of the best months to see elk in Colorado. It is the 3rd busiest month of the year, with 1,007 of the 8,394 sightings logged across the year (12%), based on verified iNaturalist records.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Elk photographed in ColoradoAmerican Elk photographed in ColoradoElk photographed in Colorado
Photos by iNaturalist observers, used under Creative Commons.

Peak month for elk in Colorado

12%

of yearly sightings

1,007

records in September

#3

busiest month of 12

8,394

verified records a year

August 11.7%, September 12%, October 8.5%. Busiest month is June at 19.2%.

Best months: June, July, SeptemberPeak season right now

8,394 verified observations of elk in Colorado, recorded across 12 months of the year on iNaturalist.

When elk are recorded in Colorado

Peak month

June

1,615 records (19.2% of the year)

Quietest month

January

196 records

MonthObservationsShare
January1962.3%
February2002.4%
March3644.3%
April5396.4%
May98211.7%
Junepeak1,61519.2%
Julypeak1,33515.9%
August98611.7%
Septemberpeak1,00712%
October7158.5%
November2472.9%
December2082.5%

Elk you are most likely to see

SpeciesVerified observations
Elk8,394

In Colorado, September carries 12% of the year's elk sightings, about 3.7 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.

Activity holds steady between August and September, and it heads toward October (8.5%) after. This is right inside the peak window, so September is one of the surest months to plan a trip around.

The elk most often recorded in Colorado are Elk. Those counts are annual totals rather than a September split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in September itself.

Which elk you are most likely to see

  • Elk8,394 records
Plan your tripBent's Old Fort National Historic Site

Plan your elk trip in Colorado

Start with live tours near Bent's Old Fort National Historic Site, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see elk in Colorado in September?+

Yes. September accounts for 1,007 of the 8,394 verified elk sightings logged in Colorado across the year, which is 12% of the annual total.

Is September a good time to see elk in Colorado?+

September is one of the best months. It ranks 3rd of the year and sits inside the peak window of June, July and September.

What month is best for elk in Colorado?+

June is the single busiest month, with the broader peak running through June, July and September, based on 8,394 verified observations.

Which elk are you most likely to see in Colorado?+

The most-recorded species in Colorado are Elk, based on all-time iNaturalist counts.