Whales in New Hampshire in September
Yes, September is a good month to see whales in New Hampshire. It is the 5th busiest month of the year, with 603 of the 6,298 sightings logged across the year (9.6%), 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.
Good month for whales in New Hampshire
9.6%
of yearly sightings
603
records in September
#5
busiest month of 12
6,298
verified records a year
August 9.3%, September 9.6%, October 6.4%. Busiest month is June at 15.9%.
6,298 verified observations of whales in New Hampshire, recorded across 12 months of the year on iNaturalist.
When whales are recorded in New Hampshire
Peak month
June
1,002 records (15.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 231 | 3.7% |
| February | 187 | 3% |
| March | 294 | 4.7% |
| April | 649 | 10.3% |
| Maypeak | 918 | 14.6% |
| Junepeak | 1,002 | 15.9% |
| Julypeak | 695 | 11% |
| August | 585 | 9.3% |
| September | 603 | 9.6% |
| October | 403 | 6.4% |
| November | 441 | 7% |
| December | 290 | 4.6% |
Whales you are most likely to see
| Species | Verified observations |
|---|---|
| White-tailed Deer | 4,902 |
| Moose | 1,257 |
| Humpback Whale | 26 |
| Fin Whale | 7 |
| Wild Boar | 7 |
| Domestic Cattle | 5 |
| Harbour Porpoise | 2 |
| Atlantic White-sided Dolphin | 2 |
In New Hampshire, September carries 9.6% of the year's whales sightings, about 1.3 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 holds steady between August and September, and it heads toward October (6.4%) after. The busiest month is June (15.9%), so if timing is flexible, that window is the safer bet.
The whales most often recorded in New Hampshire are White-tailed Deer, Moose and Humpback Whale. 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 whales you are most likely to see
- White-tailed Deer4,902 records
- Moose1,257 records
- Humpback Whale26 records
- Fin Whale7 records
- Wild Boar7 records
- Domestic Cattle5 records
Plan your whale 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 whale viewing area.
Booking.com
Stay nearbyStay near Appalachian National Scenic Trail
Compare hotels, cabins and lodges close to the best whale viewing area in New Hampshire.
Viator
Broader backupBook a whale tour in New Hampshire
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 whales in New Hampshire in September?+
Yes. September accounts for 603 of the 6,298 verified whales sightings logged in New Hampshire across the year, which is 9.6% of the annual total.
Is September a good time to see whales in New Hampshire?+
September is the 5th busiest month. It is workable, though June and May is the stronger window for a reliable sighting.
What month is best for whales in New Hampshire?+
June is the single busiest month, with the broader peak running through June, May and July, based on 6,298 verified observations.
Which whales are you most likely to see in New Hampshire?+
The most-recorded species in New Hampshire are White-tailed Deer, Moose and Humpback Whale, based on all-time iNaturalist counts.
See whales in New Hampshire in other months
More wildlife in New Hampshire