Frogs in North Dakota in September
Yes, September is a good month to see frogs in North Dakota. It is the 5th busiest month of the year, with 104 of the 1,123 sightings logged across the year (9.3%), 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 frogs in North Dakota
9.3%
of yearly sightings
104
records in September
#5
busiest month of 12
1,123
verified records a year
August 24.2%, September 9.3%, October 2%. Busiest month is July at 30.5%.
1,123 verified observations of frogs in North Dakota, recorded across 9 months of the year on iNaturalist.
When frogs are recorded in North Dakota
Peak month
July
342 records (30.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 2 | 0.2% |
| March | 0 | 0% |
| April | 23 | 2% |
| May | 115 | 10.2% |
| Junepeak | 240 | 21.4% |
| Julypeak | 342 | 30.5% |
| Augustpeak | 272 | 24.2% |
| September | 104 | 9.3% |
| October | 22 | 2% |
| November | 3 | 0.3% |
| December | 0 | 0% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Northern Leopard Frog | 393 |
| Woodhouse's Toad | 260 |
| Canadian Toad | 157 |
| Great Plains Toad | 106 |
| Boreal Chorus Frog | 95 |
| Wood Frog | 65 |
| Plains Spadefoot | 7 |
| Cope's Gray Tree Frog | 7 |
In North Dakota, September carries 9.3% of the year's frogs sightings, about 1 points above an even month-to-month split. That makes it the 5th busiest of the twelve months, out of 9 months with recorded activity.
Activity is easing off from August (24.2%) into September, and it heads toward October (2%) after. The busiest month is July (30.5%), so if timing is flexible, that window is the safer bet.
The frogs most often recorded in North Dakota are Northern Leopard Frog, Woodhouse's Toad and Canadian Toad. 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 frogs you are most likely to see
- Northern Leopard Frog393 records
- Woodhouse's Toad260 records
- Canadian Toad157 records
- Great Plains Toad106 records
- Boreal Chorus Frog95 records
- Wood Frog65 records
Plan your frog 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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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 frog 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 frog viewing area in North Dakota.
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Broader backupBook a frog tour in North Dakota
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Gear to see them
Frequently asked questions
Can you see frogs in North Dakota in September?+
Yes. September accounts for 104 of the 1,123 verified frogs sightings logged in North Dakota across the year, which is 9.3% of the annual total.
Is September a good time to see frogs in North Dakota?+
September is the 5th busiest month. It is workable, though July and August is the stronger window for a reliable sighting.
What month is best for frogs in North Dakota?+
July is the single busiest month, with the broader peak running through July, August and June, based on 1,123 verified observations.
Which frogs are you most likely to see in North Dakota?+
The most-recorded species in North Dakota are Northern Leopard Frog, Woodhouse's Toad and Canadian Toad, based on all-time iNaturalist counts.
See frogs in North Dakota in other months
More wildlife in North Dakota