Bats in Missouri in September
Yes, September is a good month to see bats in Missouri. It is the 5th busiest month of the year, with 98 of the 1,105 sightings logged across the year (8.9%), 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 28, 2026.
Good month for bats in Missouri
8.9%
of yearly sightings
98
records in September
#5
busiest month of 12
1,105
verified records a year
August 7.4%, September 8.9%, October 16.9%. Busiest month is October at 16.9%.
1,105 verified observations of bats in Missouri, recorded across 12 months of the year on iNaturalist.
When bats are recorded in Missouri
Peak month
October
187 records (16.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 39 | 3.5% |
| February | 40 | 3.6% |
| March | 100 | 9% |
| Aprilpeak | 155 | 14% |
| Maypeak | 115 | 10.4% |
| June | 95 | 8.6% |
| July | 91 | 8.2% |
| August | 82 | 7.4% |
| September | 98 | 8.9% |
| Octoberpeak | 187 | 16.9% |
| November | 68 | 6.2% |
| December | 35 | 3.2% |
Bats you are most likely to see
| Species | Verified observations |
|---|---|
| Big Brown Bat | 335 |
| Eastern Red Bat | 187 |
| Tri-coloured Bat | 132 |
| Evening Bat | 96 |
| Silver-haired Bat | 28 |
| Gray Bat | 24 |
| Northern Hoary Bat | 13 |
| Little Brown Bat | 12 |
In Missouri, September carries 8.9% of the year's bats sightings, about 0.6 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 rising from August (7.4%) into September, and it heads toward October (16.9%) after. The busiest month is October (16.9%), so if timing is flexible, that window is the safer bet.
The bats most often recorded in Missouri are Big Brown Bat, Eastern Red Bat and Tri-coloured Bat. 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 bats you are most likely to see
- Big Brown Bat335 records
- Eastern Red Bat187 records
- Tri-coloured Bat132 records
- Evening Bat96 records
- Silver-haired Bat28 records
- Gray Bat24 records
Plan your bat trip in Missouri
Start with live tours near George Washington Carver National Monument, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near George Washington Carver National Monument
Use the live GetYourGuide widget to compare local departures and activity styles close to the main bat viewing area.
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Broader backupBook a bat tour in Missouri
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Gear to see them
Frequently asked questions
Can you see bats in Missouri in September?+
Yes. September accounts for 98 of the 1,105 verified bats sightings logged in Missouri across the year, which is 8.9% of the annual total.
Is September a good time to see bats in Missouri?+
September is the 5th busiest month. It is workable, though October and April is the stronger window for a reliable sighting.
What month is best for bats in Missouri?+
October is the single busiest month, with the broader peak running through October, April and May, based on 1,105 verified observations.
Which bats are you most likely to see in Missouri?+
The most-recorded species in Missouri are Big Brown Bat, Eastern Red Bat and Tri-coloured Bat, based on all-time iNaturalist counts.
See bats in Missouri in other months
More places to see bats
More wildlife in Missouri