Chipmunks in Indiana in September
Yes, September is one of the best months to see chipmunks in Indiana. It is the 2nd busiest month of the year, with 1,702 of the 11,162 sightings logged across the year (15.2%), 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.
Peak month for chipmunks in Indiana
15.2%
of yearly sightings
1,702
records in September
#2
busiest month of 12
11,162
verified records a year
August 5.4%, September 15.2%, October 11.2%. Busiest month is April at 15.5%.
11,162 verified observations of chipmunks in Indiana, recorded across 12 months of the year on iNaturalist.
When chipmunks are recorded in Indiana
Peak month
April
1,725 records (15.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 360 | 3.2% |
| February | 475 | 4.3% |
| March | 868 | 7.8% |
| Aprilpeak | 1,725 | 15.5% |
| Maypeak | 1,534 | 13.7% |
| June | 1,059 | 9.5% |
| July | 594 | 5.3% |
| August | 603 | 5.4% |
| Septemberpeak | 1,702 | 15.2% |
| October | 1,255 | 11.2% |
| November | 588 | 5.3% |
| December | 399 | 3.6% |
Chipmunks you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Fox Squirrel | 4,090 |
| Eastern Gray Squirrel | 2,499 |
| Eastern Chipmunk | 1,965 |
| American Red Squirrel | 1,238 |
| Groundhog | 1,024 |
| Southern Flying Squirrel | 94 |
| Thirteen-lined Ground Squirrel | 70 |
In Indiana, September carries 15.2% of the year's chipmunks sightings, about 6.9 points above an even month-to-month split. That makes it the 2nd busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from August (5.4%) into September, and it heads toward October (11.2%) after. This is right inside the peak window, so September is one of the surest months to plan a trip around.
The chipmunks most often recorded in Indiana are Eastern Fox Squirrel, Eastern Gray Squirrel and Eastern Chipmunk. 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 chipmunks you are most likely to see
- Eastern Fox Squirrel4,090 records
- Eastern Gray Squirrel2,499 records
- Eastern Chipmunk1,965 records
- American Red Squirrel1,238 records
- Groundhog1,024 records
- Southern Flying Squirrel94 records
Plan your chipmunk trip in Indiana
Start with live tours near Indiana Dunes 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 Indiana Dunes National Park
Use the live GetYourGuide widget to compare local departures and activity styles close to the main chipmunk viewing area.
Booking.com
Stay nearbyStay near Indiana Dunes National Park
Compare hotels, cabins and lodges close to the best chipmunk viewing area in Indiana.
Viator
Broader backupBook a chipmunk tour in Indiana
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 chipmunks in Indiana in September?+
Yes. September accounts for 1,702 of the 11,162 verified chipmunks sightings logged in Indiana across the year, which is 15.2% of the annual total.
Is September a good time to see chipmunks in Indiana?+
September is one of the best months. It ranks 2nd of the year and sits inside the peak window of April, September and May.
What month is best for chipmunks in Indiana?+
April is the single busiest month, with the broader peak running through April, September and May, based on 11,162 verified observations.
Which chipmunks are you most likely to see in Indiana?+
The most-recorded species in Indiana are Eastern Fox Squirrel, Eastern Gray Squirrel and Eastern Chipmunk, based on all-time iNaturalist counts.
See chipmunks in Indiana in other months
More wildlife in Indiana