Frogs in Maine in September
Yes, September is a good month to see frogs in Maine. It is the 5th busiest month of the year, with 2,489 of the 19,776 sightings logged across the year (12.6%), 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 Maine
12.6%
of yearly sightings
2,489
records in September
#5
busiest month of 12
19,776
verified records a year
August 21.7%, September 12.6%, October 2.8%. Busiest month is August at 21.7%.
19,776 verified observations of frogs in Maine, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Maine
Peak month
August
4,290 records (21.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 5 | 0% |
| February | 3 | 0% |
| March | 269 | 1.4% |
| April | 2,903 | 14.7% |
| May | 2,325 | 11.8% |
| Junepeak | 3,199 | 16.2% |
| Julypeak | 3,692 | 18.7% |
| Augustpeak | 4,290 | 21.7% |
| September | 2,489 | 12.6% |
| October | 547 | 2.8% |
| November | 44 | 0.2% |
| December | 10 | 0.1% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Green Frog | 3,485 |
| American Toad | 3,262 |
| American Bullfrog | 2,818 |
| Wood Frog | 2,755 |
| Spring Peeper | 2,650 |
| Pickerel Frog | 1,861 |
| Gray Treefrog | 1,537 |
| Northern Leopard Frog | 549 |
In Maine, September carries 12.6% of the year's frogs sightings, about 4.3 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 (21.7%) into September, and it heads toward October (2.8%) after. The busiest month is August (21.7%), so if timing is flexible, that window is the safer bet.
The frogs most often recorded in Maine are Green Frog, American Toad and American Bullfrog. 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
- Green Frog3,485 records
- American Toad3,262 records
- American Bullfrog2,818 records
- Wood Frog2,755 records
- Spring Peeper2,650 records
- Pickerel Frog1,861 records
Plan your frog trip in Maine
Start with live tours near Acadia National Park, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Acadia National Park
Use the live GetYourGuide widget to compare local departures and activity styles close to the main frog viewing area.
Booking.com
Stay nearbyStay near Acadia National Park
Compare hotels, cabins and lodges close to the best frog viewing area in Maine.
Viator
Broader backupBook a frog tour in Maine
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 Maine in September?+
Yes. September accounts for 2,489 of the 19,776 verified frogs sightings logged in Maine across the year, which is 12.6% of the annual total.
Is September a good time to see frogs in Maine?+
September is the 5th busiest month. It is workable, though August and July is the stronger window for a reliable sighting.
What month is best for frogs in Maine?+
August is the single busiest month, with the broader peak running through August, July and June, based on 19,776 verified observations.
Which frogs are you most likely to see in Maine?+
The most-recorded species in Maine are Green Frog, American Toad and American Bullfrog, based on all-time iNaturalist counts.
See frogs in Maine in other months
More wildlife in Maine