Bees in Iowa in September
Yes, September is one of the best months to see bees in Iowa. It is the 3rd busiest month of the year, with 2,818 of the 15,661 sightings logged across the year (18%), 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.
Peak month for bees in Iowa
18%
of yearly sightings
2,818
records in September
#3
busiest month of 12
15,661
verified records a year
August 23.4%, September 18%, October 3.1%. Busiest month is July at 26.2%.
15,661 verified observations of bees in Iowa, recorded across 12 months of the year on iNaturalist.
When bees are recorded in Iowa
Peak month
July
4,109 records (26.2% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 2 | 0% |
| February | 9 | 0.1% |
| March | 62 | 0.4% |
| April | 937 | 6% |
| May | 1,352 | 8.6% |
| June | 2,182 | 13.9% |
| Julypeak | 4,109 | 26.2% |
| Augustpeak | 3,663 | 23.4% |
| Septemberpeak | 2,818 | 18% |
| October | 493 | 3.1% |
| November | 30 | 0.2% |
| December | 4 | 0% |
Bees you are most likely to see
| Species | Verified observations |
|---|---|
| Common Eastern Bumble Bee | 3,317 |
| Brown-belted Bumble Bee | 1,995 |
| Western Honey Bee | 1,179 |
| Two-spotted Bumble Bee | 829 |
| American Bumble Bee | 701 |
| Black-and-gold Bumble Bee | 605 |
| Eastern Carpenter Bee | 368 |
| Ligated Furrow Bee | 347 |
In Iowa, September carries 18% of the year's bees sightings, about 9.7 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.
Activity is easing off from August (23.4%) into September, and it heads toward October (3.1%) after. This is right inside the peak window, so September is one of the surest months to plan a trip around.
The bees most often recorded in Iowa are Common Eastern Bumble Bee, Brown-belted Bumble Bee and Western Honey Bee. 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 bees you are most likely to see
- Common Eastern Bumble Bee3,317 records
- Brown-belted Bumble Bee1,995 records
- Western Honey Bee1,179 records
- Two-spotted Bumble Bee829 records
- American Bumble Bee701 records
- Black-and-gold Bumble Bee605 records
Plan your bee trip in Iowa
Start with live tours near Effigy Mounds National Monument, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Use the live GetYourGuide widget to compare local departures and activity styles close to the main bee viewing area.
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Frequently asked questions
Can you see bees in Iowa in September?+
Yes. September accounts for 2,818 of the 15,661 verified bees sightings logged in Iowa across the year, which is 18% of the annual total.
Is September a good time to see bees in Iowa?+
September is one of the best months. It ranks 3rd of the year and sits inside the peak window of July, August and September.
What month is best for bees in Iowa?+
July is the single busiest month, with the broader peak running through July, August and September, based on 15,661 verified observations.
Which bees are you most likely to see in Iowa?+
The most-recorded species in Iowa are Common Eastern Bumble Bee, Brown-belted Bumble Bee and Western Honey Bee, based on all-time iNaturalist counts.
See bees in Iowa in other months
More wildlife in Iowa