Raccoons in Colorado in September

Yes, September is one of the best months to see raccoons in Colorado. It is the 3rd busiest month of the year, with 199 of the 1,729 sightings logged across the year (11.5%), 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.

Common Raccoon photographed in ColoradoCommon Raccoon photographed in ColoradoCommon Raccoon photographed in Colorado
Photos by iNaturalist observers, used under Creative Commons.

Peak month for raccoons in Colorado

11.5%

of yearly sightings

199

records in September

#3

busiest month of 12

1,729

verified records a year

August 9.3%, September 11.5%, October 9.9%. Busiest month is June at 13%.

Best months: June, April, September

1,729 verified observations of raccoons in Colorado, recorded across 12 months of the year on iNaturalist.

When raccoons are recorded in Colorado

Peak month

June

224 records (13% of the year)

Quietest month

February

56 records

MonthObservationsShare
January603.5%
February563.2%
March1005.8%
Aprilpeak21812.6%
May19711.4%
Junepeak22413%
July1629.4%
August1609.3%
Septemberpeak19911.5%
October1729.9%
November1156.7%
December663.8%

Raccoons you are most likely to see

SpeciesVerified observations
Common Raccoon1,729

In Colorado, September carries 11.5% of the year's raccoons sightings, about 3.2 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 is rising from August (9.3%) into September, and it heads toward October (9.9%) after. This is right inside the peak window, so September is one of the surest months to plan a trip around.

The raccoons most often recorded in Colorado are Common Raccoon. 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 raccoons you are most likely to see

  • Common Raccoon1,729 records
Plan your tripBent's Old Fort National Historic Site

Plan your raccoon 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 raccoons in Colorado in September?+

Yes. September accounts for 199 of the 1,729 verified raccoons sightings logged in Colorado across the year, which is 11.5% of the annual total.

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

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

What month is best for raccoons in Colorado?+

June is the single busiest month, with the broader peak running through June, April and September, based on 1,729 verified observations.

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

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