Deer in California in September
Yes, September is one of the best months to see deer in California. It is the 2nd busiest month of the year, with 7,745 of the 76,747 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 July 2, 2026.
Peak month for deer in California
10.1%
of yearly sightings
7,745
records in September
#2
busiest month of 12
76,747
verified records a year
August 8.7%, September 10.1%, October 9%. Busiest month is June at 10.3%.
76,747 verified observations of deer in California, recorded across 12 months of the year on iNaturalist.
When deer are recorded in California
Peak month
June
7,918 records (10.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 5,182 | 6.8% |
| February | 4,413 | 5.8% |
| March | 5,210 | 6.8% |
| April | 6,592 | 8.6% |
| May | 7,081 | 9.2% |
| Junepeak | 7,918 | 10.3% |
| Julypeak | 7,300 | 9.5% |
| August | 6,683 | 8.7% |
| Septemberpeak | 7,745 | 10.1% |
| October | 6,897 | 9% |
| November | 6,546 | 8.5% |
| December | 5,180 | 6.7% |
Deer you are most likely to see
| Species | Verified observations |
|---|---|
| Mule Deer | 76,532 |
In California, September carries 10.1% of the year's deer sightings, about 1.8 points above an even month-to-month split. That makes it the 2nd busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from August (8.7%) into September, and it heads toward October (9%) after. This is right inside the peak window, so September is one of the surest months to plan a trip around.
The deer most often recorded in California are Mule Deer. 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 deer you are most likely to see
- Mule Deer76,532 records
Plan your deer trip in California
Start with live tours near Alcatraz Island, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Alcatraz Island
Use the live GetYourGuide widget to compare local departures and activity styles close to the main deer viewing area.
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Stay nearbyStay near Alcatraz Island
Compare hotels, cabins and lodges close to the best deer viewing area in California.
Viator
Broader backupBook a deer tour in California
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 deer in California in September?+
Yes. September accounts for 7,745 of the 76,747 verified deer sightings logged in California across the year, which is 10.1% of the annual total.
Is September a good time to see deer in California?+
September is one of the best months. It ranks 2nd of the year and sits inside the peak window of June, September and July.
What month is best for deer in California?+
June is the single busiest month, with the broader peak running through June, September and July, based on 76,747 verified observations.
Which deer are you most likely to see in California?+
The most-recorded species in California are Mule Deer, based on all-time iNaturalist counts.
See deer in California in other months
More places to see deer
More wildlife in California