Tree Frogs in New Jersey in September
Yes, September is a good month to see tree frogs in New Jersey. It is the 7th busiest month of the year, with 535 of the 4,848 sightings logged across the year (11%), 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 tree frogs in New Jersey
11%
of yearly sightings
535
records in September
#7
busiest month of 12
4,848
verified records a year
August 11.3%, September 11%, October 7%. Busiest month is May at 17.3%.
4,848 verified observations of tree frogs in New Jersey, recorded across 12 months of the year on iNaturalist.
When tree frogs are recorded in New Jersey
Peak month
May
837 records (17.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 5 | 0.1% |
| February | 40 | 0.8% |
| Marchpeak | 672 | 13.9% |
| April | 585 | 12.1% |
| Maypeak | 837 | 17.3% |
| Junepeak | 622 | 12.8% |
| July | 598 | 12.3% |
| August | 546 | 11.3% |
| September | 535 | 11% |
| October | 341 | 7% |
| November | 55 | 1.1% |
| December | 12 | 0.2% |
Tree Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Gray Treefrog | 2,054 |
| Spring Peeper | 1,335 |
| Northern Cricket Frog | 461 |
| Pine barrens tree frog | 176 |
| Cope's Gray Tree Frog | 159 |
| Green Treefrog | 130 |
| New Jersey Chorus Frog | 63 |
| Cuban Tree Frog | 9 |
In New Jersey, September carries 11% of the year's tree frogs sightings, about 2.7 points above an even month-to-month split. That makes it the 7th busiest of the twelve months, out of 12 months with recorded activity.
Activity holds steady between August and September, and it heads toward October (7%) after. The busiest month is May (17.3%), so if timing is flexible, that window is the safer bet.
The tree frogs most often recorded in New Jersey are Gray Treefrog, Spring Peeper and Northern Cricket 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 tree frogs you are most likely to see
- Gray Treefrog2,054 records
- Spring Peeper1,335 records
- Northern Cricket Frog461 records
- Pine barrens tree frog176 records
- Cope's Gray Tree Frog159 records
- Green Treefrog130 records
Plan your tree frog trip in New Jersey
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 tree frog viewing area.
Booking.com
Stay nearbyStay near Appalachian National Scenic Trail
Compare hotels, cabins and lodges close to the best tree frog viewing area in New Jersey.
Viator
Broader backupBook a tree frog tour in New Jersey
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Frequently asked questions
Can you see tree frogs in New Jersey in September?+
Yes. September accounts for 535 of the 4,848 verified tree frogs sightings logged in New Jersey across the year, which is 11% of the annual total.
Is September a good time to see tree frogs in New Jersey?+
September is the 7th busiest month. It is workable, though May and March is the stronger window for a reliable sighting.
What month is best for tree frogs in New Jersey?+
May is the single busiest month, with the broader peak running through May, March and June, based on 4,848 verified observations.
Which tree frogs are you most likely to see in New Jersey?+
The most-recorded species in New Jersey are Gray Treefrog, Spring Peeper and Northern Cricket Frog, based on all-time iNaturalist counts.
See tree frogs in New Jersey in other months
More places to see tree frogs
More wildlife in New Jersey