Bats in Kansas in September
Yes, September is a good month to see bats in Kansas. It is the 5th busiest month of the year, with 31 of the 306 sightings logged across the year (10.1%), 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 June 28, 2026.
Good month for bats in Kansas
10.1%
of yearly sightings
31
records in September
#5
busiest month of 12
306
verified records a year
August 13.7%, September 10.1%, October 5.9%. Busiest month is June at 19.9%.
306 verified observations of bats in Kansas, recorded across 12 months of the year on iNaturalist.
When bats are recorded in Kansas
Peak month
June
61 records (19.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 6 | 2% |
| February | 5 | 1.6% |
| March | 29 | 9.5% |
| Aprilpeak | 36 | 11.8% |
| May | 23 | 7.5% |
| Junepeak | 61 | 19.9% |
| July | 36 | 11.8% |
| Augustpeak | 42 | 13.7% |
| September | 31 | 10.1% |
| October | 18 | 5.9% |
| November | 10 | 3.3% |
| December | 9 | 2.9% |
Bats you are most likely to see
| Species | Verified observations |
|---|---|
| Big Brown Bat | 138 |
| Eastern Red Bat | 56 |
| Evening Bat | 10 |
| Tri-coloured Bat | 8 |
| Gray Bat | 7 |
| Cave Myotis | 4 |
| Northern Hoary Bat | 4 |
| Silver-haired Bat | 2 |
In Kansas, September carries 10.1% of the year's bats sightings, about 1.8 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 easing off from August (13.7%) into September, and it heads toward October (5.9%) after. The busiest month is June (19.9%), so if timing is flexible, that window is the safer bet.
The bats most often recorded in Kansas are Big Brown Bat, Eastern Red Bat and Evening 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 Bat138 records
- Eastern Red Bat56 records
- Evening Bat10 records
- Tri-coloured Bat8 records
- Gray Bat7 records
- Cave Myotis4 records
Plan your bat trip in Kansas
Start with live tours near Lewis & Clark National Historic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Lewis & Clark National Historic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main bat viewing area.
Booking.com
Stay nearbyStay near Lewis & Clark National Historic Trail
Compare hotels, cabins and lodges close to the best bat viewing area in Kansas.
Viator
Broader backupBook a bat tour in Kansas
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 Kansas in September?+
Yes. September accounts for 31 of the 306 verified bats sightings logged in Kansas across the year, which is 10.1% of the annual total.
Is September a good time to see bats in Kansas?+
September is the 5th busiest month. It is workable, though June and August is the stronger window for a reliable sighting.
What month is best for bats in Kansas?+
June is the single busiest month, with the broader peak running through June, August and April, based on 306 verified observations.
Which bats are you most likely to see in Kansas?+
The most-recorded species in Kansas are Big Brown Bat, Eastern Red Bat and Evening Bat, based on all-time iNaturalist counts.
See bats in Kansas in other months
More places to see bats
More wildlife in Kansas


