Herons in Maryland in September
Yes, September is a good month to see herons in Maryland. It is the 6th busiest month of the year, with 2,276 of the 22,756 sightings logged across the year (10%), 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 herons in Maryland
10%
of yearly sightings
2,276
records in September
#6
busiest month of 12
22,756
verified records a year
August 13.4%, September 10%, October 6.9%. Busiest month is May at 15.1%.
22,756 verified observations of herons in Maryland, recorded across 12 months of the year on iNaturalist.
When herons are recorded in Maryland
Peak month
May
3,446 records (15.1% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 798 | 3.5% |
| February | 688 | 3% |
| March | 932 | 4.1% |
| April | 2,510 | 11% |
| Maypeak | 3,446 | 15.1% |
| Junepeak | 2,934 | 12.9% |
| July | 2,704 | 11.9% |
| Augustpeak | 3,049 | 13.4% |
| September | 2,276 | 10% |
| October | 1,571 | 6.9% |
| November | 1,000 | 4.4% |
| December | 848 | 3.7% |
Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Great Blue Heron | 11,885 |
| Green Heron | 3,468 |
| Great Egret | 2,293 |
| Black-crowned Night Heron | 1,730 |
| Yellow-crowned Night Heron | 1,191 |
| Snowy Egret | 774 |
| Little Blue Heron | 483 |
| Tricolored Heron | 281 |
In Maryland, September carries 10% of the year's herons sightings, about 1.7 points above an even month-to-month split. That makes it the 6th busiest of the twelve months, out of 12 months with recorded activity.
Activity is easing off from August (13.4%) into September, and it heads toward October (6.9%) after. The busiest month is May (15.1%), so if timing is flexible, that window is the safer bet.
The herons most often recorded in Maryland are Great Blue Heron, Green Heron and Great Egret. 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 herons you are most likely to see
- Great Blue Heron11,885 records
- Green Heron3,468 records
- Great Egret2,293 records
- Black-crowned Night Heron1,730 records
- Yellow-crowned Night Heron1,191 records
- Snowy Egret774 records
Plan your heron 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 heron viewing area.
Booking.com
Stay nearbyStay near Antietam National Battlefield
Compare hotels, cabins and lodges close to the best heron viewing area in Maryland.
Viator
Broader backupBook a heron tour in Maryland
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 herons in Maryland in September?+
Yes. September accounts for 2,276 of the 22,756 verified herons sightings logged in Maryland across the year, which is 10% of the annual total.
Is September a good time to see herons in Maryland?+
September is the 6th busiest month. It is workable, though May and August is the stronger window for a reliable sighting.
What month is best for herons in Maryland?+
May is the single busiest month, with the broader peak running through May, August and June, based on 22,756 verified observations.
Which herons are you most likely to see in Maryland?+
The most-recorded species in Maryland are Great Blue Heron, Green Heron and Great Egret, based on all-time iNaturalist counts.
See herons in Maryland in other months
More places to see herons
More wildlife in Maryland