Squirrels in North Dakota in September
Yes, September is a good month to see squirrels in North Dakota. It is the 5th busiest month of the year, with 194 of the 1,886 sightings logged across the year (10.3%), 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 squirrels in North Dakota
10.3%
of yearly sightings
194
records in September
#5
busiest month of 12
1,886
verified records a year
August 14.7%, September 10.3%, October 4%. Busiest month is June at 20.7%.
1,886 verified observations of squirrels in North Dakota, recorded across 12 months of the year on iNaturalist.
When squirrels are recorded in North Dakota
Peak month
June
390 records (20.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 26 | 1.4% |
| February | 24 | 1.3% |
| March | 44 | 2.3% |
| April | 108 | 5.7% |
| Maypeak | 284 | 15.1% |
| Junepeak | 390 | 20.7% |
| Julypeak | 369 | 19.6% |
| August | 278 | 14.7% |
| September | 194 | 10.3% |
| October | 76 | 4% |
| November | 47 | 2.5% |
| December | 46 | 2.4% |
Squirrels you are most likely to see
| Species | Verified observations |
|---|---|
| Black-tailed Prairie Dog | 885 |
| Thirteen-lined Ground Squirrel | 277 |
| Eastern Fox Squirrel | 190 |
| Richardson's Ground Squirrel | 171 |
| American Red Squirrel | 116 |
| Eastern Gray Squirrel | 90 |
| Least Chipmunk | 42 |
| Franklin's Ground Squirrel | 32 |
In North Dakota, September carries 10.3% of the year's squirrels sightings, about 2 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 (14.7%) into September, and it heads toward October (4%) after. The busiest month is June (20.7%), so if timing is flexible, that window is the safer bet.
The squirrels most often recorded in North Dakota are Black-tailed Prairie Dog, Thirteen-lined Ground Squirrel and Eastern Fox Squirrel. 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 squirrels you are most likely to see
- Black-tailed Prairie Dog885 records
- Thirteen-lined Ground Squirrel277 records
- Eastern Fox Squirrel190 records
- Richardson's Ground Squirrel171 records
- American Red Squirrel116 records
- Eastern Gray Squirrel90 records
Plan your squirrel 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.
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Gear to see them
Frequently asked questions
Can you see squirrels in North Dakota in September?+
Yes. September accounts for 194 of the 1,886 verified squirrels sightings logged in North Dakota across the year, which is 10.3% of the annual total.
Is September a good time to see squirrels in North Dakota?+
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 squirrels in North Dakota?+
June is the single busiest month, with the broader peak running through June, July and May, based on 1,886 verified observations.
Which squirrels are you most likely to see in North Dakota?+
The most-recorded species in North Dakota are Black-tailed Prairie Dog, Thirteen-lined Ground Squirrel and Eastern Fox Squirrel, based on all-time iNaturalist counts.
See squirrels in North Dakota in other months
More wildlife in North Dakota