Beavers in North Dakota in September
Yes, September is a good month to see beavers in North Dakota. It is the 6th busiest month of the year, with 8 of the 95 sightings logged across the year (8.4%), 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 beavers in North Dakota
8.4%
of yearly sightings
8
records in September
#6
busiest month of 12
95
verified records a year
August 6.3%, September 8.4%, October 2.1%. Busiest month is May at 17.9%.
95 verified observations of beavers in North Dakota, recorded across 12 months of the year on iNaturalist.
When beavers are recorded in North Dakota
Peak month
May
17 records (17.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 2 | 2.1% |
| February | 8 | 8.4% |
| March | 6 | 6.3% |
| Aprilpeak | 13 | 13.7% |
| Maypeak | 17 | 17.9% |
| Junepeak | 15 | 15.8% |
| July | 10 | 10.5% |
| August | 6 | 6.3% |
| September | 8 | 8.4% |
| October | 2 | 2.1% |
| November | 5 | 5.3% |
| December | 3 | 3.2% |
Beavers you are most likely to see
| Species | Verified observations |
|---|---|
| American Beaver | 95 |
In North Dakota, September carries 8.4% of the year's beavers sightings, about 0.1 points above an even month-to-month split. That makes it the 6th busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from August (6.3%) into September, and it heads toward October (2.1%) after. The busiest month is May (17.9%), so if timing is flexible, that window is the safer bet.
The beavers most often recorded in North Dakota are American Beaver. 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 beavers you are most likely to see
- American Beaver95 records
Plan your beaver trip in North Dakota
Start with live tours near Knife River Indian Villages National Historic Site, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Knife River Indian Villages National Historic Site
Use the live GetYourGuide widget to compare local departures and activity styles close to the main beaver viewing area.
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Stay nearbyStay near Knife River Indian Villages National Historic Site
Compare hotels, cabins and lodges close to the best beaver viewing area in North Dakota.
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Broader backupBook a beaver tour in North Dakota
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Frequently asked questions
Can you see beavers in North Dakota in September?+
Yes. September accounts for 8 of the 95 verified beavers sightings logged in North Dakota across the year, which is 8.4% of the annual total.
Is September a good time to see beavers in North Dakota?+
September is the 6th busiest month. It is workable, though May and June is the stronger window for a reliable sighting.
What month is best for beavers in North Dakota?+
May is the single busiest month, with the broader peak running through May, June and April, based on 95 verified observations.
Which beavers are you most likely to see in North Dakota?+
The most-recorded species in North Dakota are American Beaver, based on all-time iNaturalist counts.
See beavers in North Dakota in other months
More wildlife in North Dakota