Snakes in Michigan in September
Yes, September is a good month to see snakes in Michigan. It is the 6th busiest month of the year, with 1,770 of the 16,240 sightings logged across the year (10.9%), 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 30, 2026.
Good month for snakes in Michigan
10.9%
of yearly sightings
1,770
records in September
#6
busiest month of 12
16,240
verified records a year
August 11.5%, September 10.9%, October 6.5%. Busiest month is May at 20.8%.
16,240 verified observations of snakes in Michigan, recorded across 12 months of the year on iNaturalist.
When snakes are recorded in Michigan
Peak month
May
3,371 records (20.8% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 16 | 0.1% |
| February | 29 | 0.2% |
| March | 543 | 3.3% |
| Aprilpeak | 2,428 | 15% |
| Maypeak | 3,371 | 20.8% |
| Junepeak | 2,922 | 18% |
| July | 2,071 | 12.8% |
| August | 1,870 | 11.5% |
| September | 1,770 | 10.9% |
| October | 1,050 | 6.5% |
| November | 145 | 0.9% |
| December | 25 | 0.2% |
Snakes you are most likely to see
| Species | Verified observations |
|---|---|
| Common Garter Snake | 6,772 |
| Common Watersnake | 2,742 |
| DeKay's Brownsnake | 1,288 |
| Eastern Hognose Snake | 1,108 |
| Eastern Milksnake | 780 |
| Red-bellied Snake | 534 |
| North American Racer | 482 |
| Common Ribbon Snake | 413 |
In Michigan, September carries 10.9% of the year's snakes sightings, about 2.6 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 holds steady between August and September, and it heads toward October (6.5%) after. The busiest month is May (20.8%), so if timing is flexible, that window is the safer bet.
The snakes most often recorded in Michigan are Common Garter Snake, Common Watersnake and DeKay's Brownsnake. 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 snakes you are most likely to see
- Common Garter Snake6,772 records
- Common Watersnake2,742 records
- DeKay's Brownsnake1,288 records
- Eastern Hognose Snake1,108 records
- Eastern Milksnake780 records
- Red-bellied Snake534 records
Plan your snake trip in Michigan
Start with live tours near Isle Royale National Park, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Gear to see them
Frequently asked questions
Can you see snakes in Michigan in September?+
Yes. September accounts for 1,770 of the 16,240 verified snakes sightings logged in Michigan across the year, which is 10.9% of the annual total.
Is September a good time to see snakes in Michigan?+
September is the 6th busiest month. It is workable, though May and June is the stronger window for a reliable sighting.
What month is best for snakes in Michigan?+
May is the single busiest month, with the broader peak running through May, June and April, based on 16,240 verified observations.
Which snakes are you most likely to see in Michigan?+
The most-recorded species in Michigan are Common Garter Snake, Common Watersnake and DeKay's Brownsnake, based on all-time iNaturalist counts.
See snakes in Michigan in other months
More places to see snakes
More wildlife in Michigan