Bighorn Sheep in Idaho in September
Yes, September is a good month to see bighorn sheep in Idaho. It is the 5th busiest month of the year, with 20 of the 247 sightings logged across the year (8.1%), based on verified iNaturalist records.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Good month for bighorn sheep in Idaho
8.1%
of yearly sightings
20
records in September
#5
busiest month of 12
247
verified records a year
August 14.2%, September 8.1%, October 4%. Busiest month is July at 25.9%.
247 verified observations of bighorn sheep in Idaho, recorded across 12 months of the year on iNaturalist.
When bighorn sheep are recorded in Idaho
Peak month
July
64 records (25.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 7 | 2.8% |
| February | 3 | 1.2% |
| March | 10 | 4% |
| April | 21 | 8.5% |
| May | 17 | 6.9% |
| Junepeak | 38 | 15.4% |
| Julypeak | 64 | 25.9% |
| Augustpeak | 35 | 14.2% |
| September | 20 | 8.1% |
| October | 10 | 4% |
| November | 16 | 6.5% |
| December | 6 | 2.4% |
Bighorn Sheep you are most likely to see
| Species | Verified observations |
|---|---|
| Bighorn Sheep | 247 |
In Idaho, September carries 8.1% of the year's bighorn sheep sightings, about 0.2 points below an even month-to-month split. That makes it the 5th busiest of the twelve months, out of 12 months with recorded activity.
Activity is easing off from August (14.2%) into September, and it heads toward October (4%) after. The busiest month is July (25.9%), so if timing is flexible, that window is the safer bet.
The bighorn sheep most often recorded in Idaho 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 Sheep247 records
Plan your bighorn sheep trip in Idaho
Start with live tours near City Of Rocks National Reserve, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Use the live GetYourGuide widget to compare local departures and activity styles close to the main bighorn sheep viewing area.
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Frequently asked questions
Can you see bighorn sheep in Idaho in September?+
Yes. September accounts for 20 of the 247 verified bighorn sheep sightings logged in Idaho across the year, which is 8.1% of the annual total.
Is September a good time to see bighorn sheep in Idaho?+
September is the 5th busiest month. It is workable, though July and June is the stronger window for a reliable sighting.
What month is best for bighorn sheep in Idaho?+
July is the single busiest month, with the broader peak running through July, June and August, based on 247 verified observations.
Which bighorn sheep are you most likely to see in Idaho?+
The most-recorded species in Idaho are Bighorn Sheep, based on all-time iNaturalist counts.
See bighorn sheep in Idaho in other months
More wildlife in Idaho