Grizzly Bears in Wyoming in September
Yes, September is a good month to see grizzly bears in Wyoming. It is the 4th busiest month of the year, with 281 of the 2,448 sightings logged across the year (11.5%), 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 July 10, 2026.
Good month for grizzly bears in Wyoming
11.5%
of yearly sightings
281
records in September
#4
busiest month of 12
2,448
verified records a year
August 10.6%, September 11.5%, October 5.8%. Busiest month is May at 28.6%.
2,448 verified observations of grizzly bears in Wyoming, recorded across 11 months of the year on iNaturalist.
When grizzly bears are recorded in Wyoming
Peak month
May
701 records (28.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 2 | 0.1% |
| March | 8 | 0.3% |
| April | 47 | 1.9% |
| Maypeak | 701 | 28.6% |
| Junepeak | 621 | 25.4% |
| Julypeak | 369 | 15.1% |
| August | 259 | 10.6% |
| September | 281 | 11.5% |
| October | 143 | 5.8% |
| November | 14 | 0.6% |
| December | 3 | 0.1% |
Grizzly Bears you are most likely to see
| Species | Verified observations |
|---|---|
| Brown Bear | 2,448 |
In Wyoming, September carries 11.5% of the year's grizzly bears sightings, about 3.2 points above an even month-to-month split. That makes it the 4th busiest of the twelve months, out of 11 months with recorded activity.
Activity holds steady between August and September, and it heads toward October (5.8%) after. The busiest month is May (28.6%), so if timing is flexible, that window is the safer bet.
The grizzly bears most often recorded in Wyoming are Brown Bear. 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 grizzly bears you are most likely to see
- Brown Bear2,448 records
Plan your grizzly bear 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.
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Frequently asked questions
Can you see grizzly bears in Wyoming in September?+
Yes. September accounts for 281 of the 2,448 verified grizzly bears sightings logged in Wyoming across the year, which is 11.5% of the annual total.
Is September a good time to see grizzly bears 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 grizzly bears in Wyoming?+
May is the single busiest month, with the broader peak running through May, June and July, based on 2,448 verified observations.
Which grizzly bears are you most likely to see in Wyoming?+
The most-recorded species in Wyoming are Brown Bear, based on all-time iNaturalist counts.
See grizzly bears in Wyoming in other months
More wildlife in Wyoming