Frogs in Minnesota in September
Yes, September is a good month to see frogs in Minnesota. It is the 5th busiest month of the year, with 3,336 of the 25,919 sightings logged across the year (12.9%), 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 Minnesota
12.9%
of yearly sightings
3,336
records in September
#5
busiest month of 12
25,919
verified records a year
August 19.8%, September 12.9%, October 3.3%. Busiest month is July at 20.4%.
25,919 verified observations of frogs in Minnesota, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Minnesota
Peak month
July
5,296 records (20.4% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 12 | 0% |
| February | 18 | 0.1% |
| March | 211 | 0.8% |
| April | 1,835 | 7.1% |
| May | 4,299 | 16.6% |
| Junepeak | 4,831 | 18.6% |
| Julypeak | 5,296 | 20.4% |
| Augustpeak | 5,135 | 19.8% |
| September | 3,336 | 12.9% |
| October | 851 | 3.3% |
| November | 86 | 0.3% |
| December | 9 | 0% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| American Toad | 7,463 |
| Northern Leopard Frog | 3,848 |
| Green Frog | 2,770 |
| Wood Frog | 2,012 |
| Boreal Chorus Frog | 1,560 |
| Gray Treefrog | 1,332 |
| Spring Peeper | 1,100 |
| Mink Frog | 283 |
In Minnesota, September carries 12.9% of the year's frogs sightings, about 4.6 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 (19.8%) into September, and it heads toward October (3.3%) after. The busiest month is July (20.4%), so if timing is flexible, that window is the safer bet.
The frogs most often recorded in Minnesota are American Toad, Northern Leopard Frog and Green Frog. 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
- American Toad7,463 records
- Northern Leopard Frog3,848 records
- Green Frog2,770 records
- Wood Frog2,012 records
- Boreal Chorus Frog1,560 records
- Gray Treefrog1,332 records
Plan your frog trip in Minnesota
Start with live tours near Grand Portage National Monument, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Use the live GetYourGuide widget to compare local departures and activity styles close to the main frog viewing area.
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Gear to see them
Frequently asked questions
Can you see frogs in Minnesota in September?+
Yes. September accounts for 3,336 of the 25,919 verified frogs sightings logged in Minnesota across the year, which is 12.9% of the annual total.
Is September a good time to see frogs in Minnesota?+
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 Minnesota?+
July is the single busiest month, with the broader peak running through July, August and June, based on 25,919 verified observations.
Which frogs are you most likely to see in Minnesota?+
The most-recorded species in Minnesota are American Toad, Northern Leopard Frog and Green Frog, based on all-time iNaturalist counts.
See frogs in Minnesota in other months
More wildlife in Minnesota