Tree Frogs in Maryland in September
Yes, September is one of the best months to see tree frogs in Maryland. It is the 3rd busiest month of the year, with 1,336 of the 10,622 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 July 2, 2026.
Peak month for tree frogs in Maryland
12.6%
of yearly sightings
1,336
records in September
#3
busiest month of 12
10,622
verified records a year
August 10.1%, September 12.6%, October 6.6%. Busiest month is May at 17%.
10,622 verified observations of tree frogs in Maryland, recorded across 12 months of the year on iNaturalist.
When tree frogs are recorded in Maryland
Peak month
May
1,807 records (17% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 21 | 0.2% |
| February | 151 | 1.4% |
| March | 1,142 | 10.8% |
| Aprilpeak | 1,637 | 15.4% |
| Maypeak | 1,807 | 17% |
| June | 1,311 | 12.3% |
| July | 1,244 | 11.7% |
| August | 1,069 | 10.1% |
| Septemberpeak | 1,336 | 12.6% |
| October | 702 | 6.6% |
| November | 157 | 1.5% |
| December | 45 | 0.4% |
Tree Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Spring Peeper | 2,094 |
| Northern Cricket Frog | 1,893 |
| Cope's Gray Tree Frog | 1,330 |
| Gray Treefrog | 1,248 |
| Green Treefrog | 1,218 |
| New Jersey Chorus Frog | 96 |
| Upland Chorus Frog | 66 |
| Squirrel Tree Frog | 16 |
In Maryland, September carries 12.6% of the year's tree frogs sightings, about 4.3 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from August (10.1%) into September, and it heads toward October (6.6%) after. This is right inside the peak window, so September is one of the surest months to plan a trip around.
The tree frogs most often recorded in Maryland are Spring Peeper, Northern Cricket Frog and Cope's Gray Tree 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
- Spring Peeper2,094 records
- Northern Cricket Frog1,893 records
- Cope's Gray Tree Frog1,330 records
- Gray Treefrog1,248 records
- Green Treefrog1,218 records
- New Jersey Chorus Frog96 records
Plan your tree frog trip in Maryland
Start with live tours near Antietam National Battlefield, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Antietam National Battlefield
Use the live GetYourGuide widget to compare local departures and activity styles close to the main tree frog viewing area.
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Stay nearbyStay near Antietam National Battlefield
Compare hotels, cabins and lodges close to the best tree frog viewing area in Maryland.
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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 Maryland in September?+
Yes. September accounts for 1,336 of the 10,622 verified tree frogs sightings logged in Maryland across the year, which is 12.6% of the annual total.
Is September a good time to see tree frogs in Maryland?+
September is one of the best months. It ranks 3rd of the year and sits inside the peak window of May, April and September.
What month is best for tree frogs in Maryland?+
May is the single busiest month, with the broader peak running through May, April and September, based on 10,622 verified observations.
Which tree frogs are you most likely to see in Maryland?+
The most-recorded species in Maryland are Spring Peeper, Northern Cricket Frog and Cope's Gray Tree Frog, based on all-time iNaturalist counts.
See tree frogs in Maryland in other months
More places to see tree frogs
More wildlife in Maryland