Frogs in New Hampshire in September
Yes, September is a good month to see frogs in New Hampshire. It is the 5th busiest month of the year, with 1,962 of the 15,040 sightings logged across the year (13%), 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 New Hampshire
13%
of yearly sightings
1,962
records in September
#5
busiest month of 12
15,040
verified records a year
August 19.5%, September 13%, October 3.1%. Busiest month is June at 19.6%.
15,040 verified observations of frogs in New Hampshire, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in New Hampshire
Peak month
June
2,951 records (19.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 3 | 0% |
| February | 6 | 0% |
| March | 271 | 1.8% |
| April | 1,188 | 7.9% |
| May | 2,416 | 16.1% |
| Junepeak | 2,951 | 19.6% |
| Julypeak | 2,801 | 18.6% |
| Augustpeak | 2,935 | 19.5% |
| September | 1,962 | 13% |
| October | 460 | 3.1% |
| November | 34 | 0.2% |
| December | 13 | 0.1% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| American Toad | 4,134 |
| Green Frog | 2,635 |
| Wood Frog | 2,252 |
| Spring Peeper | 1,510 |
| Gray Treefrog | 1,310 |
| American Bullfrog | 1,288 |
| Pickerel Frog | 1,263 |
| Mink Frog | 21 |
In New Hampshire, September carries 13% of the year's frogs sightings, about 4.7 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 (19.5%) into September, and it heads toward October (3.1%) after. The busiest month is June (19.6%), so if timing is flexible, that window is the safer bet.
The frogs most often recorded in New Hampshire are American Toad, Green Frog and Wood 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 Toad4,134 records
- Green Frog2,635 records
- Wood Frog2,252 records
- Spring Peeper1,510 records
- Gray Treefrog1,310 records
- American Bullfrog1,288 records
Plan your frog trip in New Hampshire
Start with live tours near Appalachian National Scenic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Appalachian National Scenic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main frog viewing area.
Booking.com
Stay nearbyStay near Appalachian National Scenic Trail
Compare hotels, cabins and lodges close to the best frog viewing area in New Hampshire.
Viator
Broader backupBook a frog tour in New Hampshire
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 New Hampshire in September?+
Yes. September accounts for 1,962 of the 15,040 verified frogs sightings logged in New Hampshire across the year, which is 13% of the annual total.
Is September a good time to see frogs in New Hampshire?+
September is the 5th busiest month. It is workable, though June and August is the stronger window for a reliable sighting.
What month is best for frogs in New Hampshire?+
June is the single busiest month, with the broader peak running through June, August and July, based on 15,040 verified observations.
Which frogs are you most likely to see in New Hampshire?+
The most-recorded species in New Hampshire are American Toad, Green Frog and Wood Frog, based on all-time iNaturalist counts.
See frogs in New Hampshire in other months
More wildlife in New Hampshire