Bighorn Sheep in Wyoming in September

Yes, September is a good month to see bighorn sheep in Wyoming. It is the 4th busiest month of the year, with 132 of the 1,362 sightings logged across the year (9.7%), 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.

Bighorn Sheep photographed in WyomingBighorn Sheep photographed in WyomingBighorn Sheep photographed in Wyoming
Photos by iNaturalist observers, used under Creative Commons.

Good month for bighorn sheep in Wyoming

9.7%

of yearly sightings

132

records in September

#4

busiest month of 12

1,362

verified records a year

August 8.3%, September 9.7%, October 4%. Busiest month is May at 20.2%.

Best months: May, June, JulyPeak season right now

1,362 verified observations of bighorn sheep in Wyoming, recorded across 12 months of the year on iNaturalist.

When bighorn sheep are recorded in Wyoming

Peak month

May

275 records (20.2% of the year)

Quietest month

November

38 records

MonthObservationsShare
January856.2%
February846.2%
March836.1%
April846.2%
Maypeak27520.2%
Junepeak21315.6%
Julypeak14210.4%
August1138.3%
September1329.7%
October544%
November382.8%
December594.3%

Bighorn Sheep you are most likely to see

SpeciesVerified observations
Bighorn Sheep1,362

In Wyoming, September carries 9.7% of the year's bighorn sheep sightings, about 1.4 points above an even month-to-month split. That makes it the 4th busiest of the twelve months, out of 12 months with recorded activity.

Activity is rising from August (8.3%) into September, and it heads toward October (4%) after. The busiest month is May (20.2%), so if timing is flexible, that window is the safer bet.

The bighorn sheep most often recorded in Wyoming are Bighorn Sheep. 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 bighorn sheep you are most likely to see

  • Bighorn Sheep1,362 records
Plan your tripBighorn Canyon National Recreation Area

Plan your bighorn sheep trip in Wyoming

Start with live tours near Bighorn Canyon National Recreation Area, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see bighorn sheep in Wyoming in September?+

Yes. September accounts for 132 of the 1,362 verified bighorn sheep sightings logged in Wyoming across the year, which is 9.7% of the annual total.

Is September a good time to see bighorn sheep in Wyoming?+

September is the 4th busiest month. It is workable, though May and June is the stronger window for a reliable sighting.

What month is best for bighorn sheep in Wyoming?+

May is the single busiest month, with the broader peak running through May, June and July, based on 1,362 verified observations.

Which bighorn sheep are you most likely to see in Wyoming?+

The most-recorded species in Wyoming are Bighorn Sheep, based on all-time iNaturalist counts.