Bison in Alaska in September

Yes, September is a good month to see bison in Alaska. It is the 5th busiest month of the year, with 239 of the 2,893 sightings logged across the year (8.3%), 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 July 2, 2026.

Muskox photographed in AlaskaMuskox photographed in AlaskaDall's Sheep photographed in Alaska
Photos by iNaturalist observers, used under Creative Commons.

Good month for bison in Alaska

8.3%

of yearly sightings

239

records in September

#5

busiest month of 12

2,893

verified records a year

August 15.7%, September 8.3%, October 1.7%. Busiest month is June at 30.7%.

Best months: June, July, AugustPeak season right now

2,893 verified observations of bison in Alaska, recorded across 12 months of the year on iNaturalist.

When bison are recorded in Alaska

Peak month

June

888 records (30.7% of the year)

Quietest month

December

26 records

MonthObservationsShare
January451.6%
February401.4%
March541.9%
April1184.1%
May42014.5%
Junepeak88830.7%
Julypeak50717.5%
Augustpeak45515.7%
September2398.3%
October491.7%
November521.8%
December260.9%

Bison you are most likely to see

SpeciesVerified observations
Thinhorn Sheep1,372
Mountain Goat873
Muskox617
Domestic Cattle10
American Bison2

In Alaska, September carries 8.3% of the year's bison sightings, about 0 points above 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 (15.7%) into September, and it heads toward October (1.7%) after. The busiest month is June (30.7%), so if timing is flexible, that window is the safer bet.

The bison most often recorded in Alaska are Thinhorn Sheep, Mountain Goat and Muskox. 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 bison you are most likely to see

  • Thinhorn Sheep1,372 records
  • Mountain Goat873 records
  • Muskox617 records
  • Domestic Cattle10 records
  • American Bison2 records
Plan your tripAlagnak Wild River

Plan your bison trip in Alaska

Start with live tours near Alagnak Wild River, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Gear to see them

Frequently asked questions

Can you see bison in Alaska in September?+

Yes. September accounts for 239 of the 2,893 verified bison sightings logged in Alaska across the year, which is 8.3% of the annual total.

Is September a good time to see bison in Alaska?+

September is the 5th busiest month. It is workable, though June and July is the stronger window for a reliable sighting.

What month is best for bison in Alaska?+

June is the single busiest month, with the broader peak running through June, July and August, based on 2,893 verified observations.

Which bison are you most likely to see in Alaska?+

The most-recorded species in Alaska are Thinhorn Sheep, Mountain Goat and Muskox, based on all-time iNaturalist counts.