Frogs in Delaware in September

Yes, September is a good month to see frogs in Delaware. It is the 5th busiest month of the year, with 951 of the 8,843 sightings logged across the year (10.8%), based on verified iNaturalist records.

T

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 frogs in Delaware

10.8%

of yearly sightings

951

records in September

#5

busiest month of 12

8,843

verified records a year

August 14.4%, September 10.8%, October 3.6%. Busiest month is June at 21.6%.

Best months: June, July, MayPeak season right now

8,843 verified observations of frogs in Delaware, recorded across 12 months of the year on iNaturalist.

When frogs are recorded in Delaware

Peak month

June

1,907 records (21.6% of the year)

Quietest month

January

13 records

MonthObservationsShare
January130.1%
February400.5%
March4685.3%
April7588.6%
Maypeak1,36815.5%
Junepeak1,90721.6%
Julypeak1,66918.9%
August1,27314.4%
September95110.8%
October3193.6%
November630.7%
December140.2%

Frogs you are most likely to see

SpeciesVerified observations
Fowler's Toad2,882
Green Frog910
American Toad874
American Bullfrog729
Southern Leopard Frog522
Eastern Spadefoot327
Cope's Gray Tree Frog308
Pickerel Frog305

In Delaware, September carries 10.8% of the year's frogs sightings, about 2.5 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 is easing off from August (14.4%) into September, and it heads toward October (3.6%) after. The busiest month is June (21.6%), so if timing is flexible, that window is the safer bet.

The frogs most often recorded in Delaware are Fowler's Toad, Green Frog and American Toad. 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 frogs you are most likely to see

  • Fowler's Toad2,882 records
  • Green Frog910 records
  • American Toad874 records
  • American Bullfrog729 records
  • Southern Leopard Frog522 records
  • Eastern Spadefoot327 records
Plan your tripCaptain John Smith Chesapeake National Historic Trail

Plan your frog trip in Delaware

Start with live tours near Captain John Smith Chesapeake National Historic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Gear to see them

Frequently asked questions

Can you see frogs in Delaware in September?+

Yes. September accounts for 951 of the 8,843 verified frogs sightings logged in Delaware across the year, which is 10.8% of the annual total.

Is September a good time to see frogs in Delaware?+

September is the 5th busiest month. It is workable, though June and July is the stronger window for a reliable sighting.

What month is best for frogs in Delaware?+

June is the single busiest month, with the broader peak running through June, July and May, based on 8,843 verified observations.

Which frogs are you most likely to see in Delaware?+

The most-recorded species in Delaware are Fowler's Toad, Green Frog and American Toad, based on all-time iNaturalist counts.