Bees in Massachusetts in September

Yes, September is one of the best months to see bees in Massachusetts. It is the 3rd busiest month of the year, with 15,528 of the 94,542 sightings logged across the year (16.4%), based on verified iNaturalist records.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Eastern Carpenter Bee photographed in MassachusettsCommon Eastern Bumble Bee photographed in MassachusettsAnthophora walshii photographed in Massachusetts
Photos by iNaturalist observers, used under Creative Commons.

Peak month for bees in Massachusetts

16.4%

of yearly sightings

15,528

records in September

#3

busiest month of 12

94,542

verified records a year

August 18.7%, September 16.4%, October 7.4%. Busiest month is July at 21.3%.

Best months: July, August, SeptemberPeak season right now

94,542 verified observations of bees in Massachusetts, recorded across 12 months of the year on iNaturalist.

When bees are recorded in Massachusetts

Peak month

July

20,102 records (21.3% of the year)

Quietest month

January

15 records

MonthObservationsShare
January150%
February300%
March7860.8%
April6,9787.4%
May11,19911.8%
June14,65715.5%
Julypeak20,10221.3%
Augustpeak17,69018.7%
Septemberpeak15,52816.4%
October6,9687.4%
November5700.6%
December190%

Bees you are most likely to see

SpeciesVerified observations
Common Eastern Bumble Bee21,164
Western Honey Bee12,141
Brown-belted Bumble Bee5,436
Eastern Carpenter Bee4,288
Two-spotted Bumble Bee2,987
Bicolored Striped Sweat Bee2,502
Ligated Furrow Bee2,340
Pure Green Sweat bee960

In Massachusetts, September carries 16.4% of the year's bees sightings, about 8.1 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 (18.7%) into September, and it heads toward October (7.4%) 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 Massachusetts are Common Eastern Bumble Bee, Western Honey Bee and Brown-belted Bumble 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 Bee21,164 records
  • Western Honey Bee12,141 records
  • Brown-belted Bumble Bee5,436 records
  • Eastern Carpenter Bee4,288 records
  • Two-spotted Bumble Bee2,987 records
  • Bicolored Striped Sweat Bee2,502 records
Plan your tripAppalachian National Scenic Trail

Plan your bee trip in Massachusetts

Start with live tours near Appalachian National Scenic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see bees in Massachusetts in September?+

Yes. September accounts for 15,528 of the 94,542 verified bees sightings logged in Massachusetts across the year, which is 16.4% of the annual total.

Is September a good time to see bees in Massachusetts?+

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 Massachusetts?+

July is the single busiest month, with the broader peak running through July, August and September, based on 94,542 verified observations.

Which bees are you most likely to see in Massachusetts?+

The most-recorded species in Massachusetts are Common Eastern Bumble Bee, Western Honey Bee and Brown-belted Bumble Bee, based on all-time iNaturalist counts.