Herons in Maine in September
Yes, September is one of the best months to see herons in Maine. It is the 3rd busiest month of the year, with 522 of the 3,484 sightings logged across the year (15%), 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 herons in Maine
15%
of yearly sightings
522
records in September
#3
busiest month of 12
3,484
verified records a year
August 23.9%, September 15%, October 8.4%. Busiest month is August at 23.9%.
3,484 verified observations of herons in Maine, recorded across 12 months of the year on iNaturalist.
When herons are recorded in Maine
Peak month
August
831 records (23.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 12 | 0.3% |
| February | 7 | 0.2% |
| March | 25 | 0.7% |
| April | 232 | 6.7% |
| May | 429 | 12.3% |
| June | 463 | 13.3% |
| Julypeak | 574 | 16.5% |
| Augustpeak | 831 | 23.9% |
| Septemberpeak | 522 | 15% |
| October | 294 | 8.4% |
| November | 74 | 2.1% |
| December | 21 | 0.6% |
Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Great Blue Heron | 1,684 |
| Great Egret | 696 |
| Snowy Egret | 507 |
| Black-crowned Night Heron | 139 |
| Green Heron | 120 |
| American Bittern | 91 |
| Yellow-crowned Night Heron | 51 |
| Little Blue Heron | 48 |
In Maine, September carries 15% of the year's herons sightings, about 6.7 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 easing off from August (23.9%) into September, and it heads toward October (8.4%) after. This is right inside the peak window, so September is one of the surest months to plan a trip around.
The herons most often recorded in Maine are Great Blue Heron, Great Egret and Snowy 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 Heron1,684 records
- Great Egret696 records
- Snowy Egret507 records
- Black-crowned Night Heron139 records
- Green Heron120 records
- American Bittern91 records
Plan your heron 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 heron viewing area.
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Stay nearbyStay near Acadia National Park
Compare hotels, cabins and lodges close to the best heron viewing area in Maine.
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Broader backupBook a heron 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 herons in Maine in September?+
Yes. September accounts for 522 of the 3,484 verified herons sightings logged in Maine across the year, which is 15% of the annual total.
Is September a good time to see herons in Maine?+
September is one of the best months. It ranks 3rd of the year and sits inside the peak window of August, July and September.
What month is best for herons in Maine?+
August is the single busiest month, with the broader peak running through August, July and September, based on 3,484 verified observations.
Which herons are you most likely to see in Maine?+
The most-recorded species in Maine are Great Blue Heron, Great Egret and Snowy Egret, based on all-time iNaturalist counts.
See herons in Maine in other months
More places to see herons
More wildlife in Maine