Monarch Butterflies in Texas in September
Yes, September is a good month to see monarch butterflies in Texas. It is the 4th busiest month of the year, with 4,863 of the 52,985 sightings logged across the year (9.2%), 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.
Good month for monarch butterflies in Texas
9.2%
of yearly sightings
4,863
records in September
#4
busiest month of 12
52,985
verified records a year
August 3.4%, September 9.2%, October 33.4%. Busiest month is October at 33.4%.
52,985 verified observations of monarch butterflies in Texas, recorded across 12 months of the year on iNaturalist.
When monarch butterflies are recorded in Texas
Peak month
October
17,674 records (33.4% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 941 | 1.8% |
| February | 544 | 1% |
| March | 3,910 | 7.4% |
| Aprilpeak | 7,857 | 14.8% |
| May | 4,073 | 7.7% |
| June | 1,431 | 2.7% |
| July | 1,346 | 2.5% |
| August | 1,804 | 3.4% |
| September | 4,863 | 9.2% |
| Octoberpeak | 17,674 | 33.4% |
| Novemberpeak | 6,411 | 12.1% |
| December | 2,131 | 4% |
Monarch Butterflies you are most likely to see
| Species | Verified observations |
|---|---|
| Monarch | 52,985 |
In Texas, September carries 9.2% of the year's monarch butterflies sightings, about 0.9 points above an even month-to-month split. That makes it the 4th busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from August (3.4%) into September, and it heads toward October (33.4%) after. The busiest month is October (33.4%), so if timing is flexible, that window is the safer bet.
The monarch butterflies most often recorded in Texas 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
- Monarch52,985 records
Plan your monarch butterfly trip in Texas
Start with live tours near Amistad National Recreation Area, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Amistad National Recreation Area
Use the live GetYourGuide widget to compare local departures and activity styles close to the main monarch butterfly viewing area.
Booking.com
Stay nearbyStay near Amistad National Recreation Area
Compare hotels, cabins and lodges close to the best monarch butterfly viewing area in Texas.
Viator
Broader backupBook a monarch butterfly tour in Texas
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 Texas in September?+
Yes. September accounts for 4,863 of the 52,985 verified monarch butterflies sightings logged in Texas across the year, which is 9.2% of the annual total.
Is September a good time to see monarch butterflies in Texas?+
September is the 4th busiest month. It is workable, though October and April is the stronger window for a reliable sighting.
What month is best for monarch butterflies in Texas?+
October is the single busiest month, with the broader peak running through October, April and November, based on 52,985 verified observations.
Which monarch butterflies are you most likely to see in Texas?+
The most-recorded species in Texas are Monarch, based on all-time iNaturalist counts.