Monarch Butterflies in Arkansas in September
Yes, September is one of the best months to see monarch butterflies in Arkansas. It is the 1st busiest month of the year, with 1,069 of the 4,259 sightings logged across the year (25.1%), 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 monarch butterflies in Arkansas
25.1%
of yearly sightings
1,069
records in September
#1
busiest month of 12
4,259
verified records a year
August 18.8%, September 25.1%, October 23.2%. Busiest month is September at 25.1%.
4,259 verified observations of monarch butterflies in Arkansas, recorded across 12 months of the year on iNaturalist.
When monarch butterflies are recorded in Arkansas
Peak month
September
1,069 records (25.1% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 2 | 0% |
| February | 2 | 0% |
| March | 49 | 1.2% |
| April | 437 | 10.3% |
| May | 387 | 9.1% |
| June | 243 | 5.7% |
| July | 190 | 4.5% |
| Augustpeak | 801 | 18.8% |
| Septemberpeak | 1,069 | 25.1% |
| Octoberpeak | 989 | 23.2% |
| November | 81 | 1.9% |
| December | 9 | 0.2% |
Monarch Butterflies you are most likely to see
| Species | Verified observations |
|---|---|
| Monarch | 4,259 |
In Arkansas, September carries 25.1% of the year's monarch butterflies sightings, about 16.8 points above an even month-to-month split. That makes it the 1st busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from August (18.8%) into September, and it heads toward October (23.2%) after. This is right inside the peak window, so September is one of the surest months to plan a trip around.
The monarch butterflies most often recorded in Arkansas are Monarch. 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 monarch butterflies you are most likely to see
- Monarch4,259 records
Plan your monarch butterfly trip in Arkansas
Start with live tours near Arkansas Post National Memorial, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Arkansas Post National Memorial
Use the live GetYourGuide widget to compare local departures and activity styles close to the main monarch butterfly viewing area.
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Stay nearbyStay near Arkansas Post National Memorial
Compare hotels, cabins and lodges close to the best monarch butterfly viewing area in Arkansas.
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Broader backupBook a monarch butterfly tour in Arkansas
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 monarch butterflies in Arkansas in September?+
Yes. September accounts for 1,069 of the 4,259 verified monarch butterflies sightings logged in Arkansas across the year, which is 25.1% of the annual total.
Is September a good time to see monarch butterflies in Arkansas?+
September is one of the best months. It ranks 1st of the year and sits inside the peak window of September, October and August.
What month is best for monarch butterflies in Arkansas?+
September is the single busiest month, with the broader peak running through September, October and August, based on 4,259 verified observations.
Which monarch butterflies are you most likely to see in Arkansas?+
The most-recorded species in Arkansas are Monarch, based on all-time iNaturalist counts.
See monarch butterflies in Arkansas in other months
More wildlife in Arkansas