Why Do Dogs Shed More in the Fall?

If your dog seems to be leaving fur everywhere as the weather cools down, it's usually completely normal. Dogs shed more in the fall because shortening daylight hours signal their coats to transition from a lighter summer coat to a thicker winter coat. This seasonal shedding helps many dogs replace old hair and prepare for colder weather, although the amount depends on breed, coat type, and whether they spend most of their time indoors or outdoors.

Daylight, Not Temperature, Drives the Shed

The biggest trigger for fall shedding isn't the temperature — it's the changing amount of daylight. According to NaturVet, the photoperiod is thought to be the biggest factor behind seasonal shedding, and as the days shorten in fall, this triggers hormonal changes that stimulate new hair growth and increased coat thickness, which is why dogs lose coat as daylight shifts help regulate body temperature and prepare for cold weather. That hormonal shift is what starts the shed, well before the weather actually turns cold. Among dog breeds, a Golden Retriever, Labrador Retriever, German Shepherd, and Siberian Husky are well-known examples with a dense undercoat. These are double-coated dogs, a double coated breed type that tends to show this shift the most.

Seasonal Shedding and Coat Changes Are a Normal Part of Canine Wellness

Every dog's hair follows a natural growth cycle that includes growing, resting, and shedding phases as part of the normal shedding process. During the fall, many hairs enter the shedding phase around the same time, and the amount of shedding and shedding patterns many pet parents notice can vary from dog to dog. Indoor dogs may shed more consistently throughout the year, and some dogs shed year round because artificial lighting and climate-controlled homes reduce the natural seasonal cues that trigger a defined shed. This is normal shedding, not automatically a sign of skin issues or other skin problems.

Which Breeds Shed the Most in the Fall?

Breed and coat type strongly influence which dogs shed the most in fall, and dogs with double coats typically experience the most dramatic seasonal shedding. Breeds like Siberian Huskies, Golden Retrievers, Australian Shepherds, Border Collies, and Bernese Mountain Dogs often "blow" their undercoat over several weeks because they shed seasonally and often go through heavy shedding periods during spring and fall. According to Jerry Klein, DVM, chief veterinary officer of the American Kennel Club, the undercoat in these breeds acts as insulation that keeps a dog warm in winter and cool in summer, so the dense coat turns over as dogs shift between winter undercoats and lighter undercoats. Short haired dogs shed too and can still seem to lose a lot of hair, even if the seasonal change is usually less noticeable.

Fall Shedding Typically Lasts Several Weeks

For most dogs, these weeks are one of the peak shedding periods of the year, though the process can still last several weeks to a couple of months depending on breed, coat type, age, and environment. Some dogs finish their coat transition quickly, while others gradually shed throughout the season, and whether a dog spends most of its time indoors or outdoors can influence how long that transition lasts. Beverly Hills Veterinary Associates explains that pets cycle through hair growth phases, and it's the phase where most hairs shed at once — known as the exogen phase — that produces this concentrated period of fall shedding. A consistent routine with regular hygiene care during this window helps remove loose hair before it ends up on your furniture.

How to Manage Fall Shedding

While you can't stop seasonal shedding, you can make it much easier to manage shedding. A few habits go a long way during peak shedding weeks:

• Make regular brushing part of regular wellness care to lift loose undercoat before it falls around your home; slicker brushes work well for dogs with longer coats, and de-shedding tools help remove dead hair during heavy shedding periods.

• Bathing with shedding-control shampoo can help remove loose hair, but avoid over bathing, since over bathing can strip natural oils and increase skin irritation.

• Schedule regular Routine Hygiene appointments at Scenthound to help keep the dog's coat and dog's fur in better condition during shedding season.

• Feed a complete, balanced healthy diet that supports a healthy coat, since a poor diet can worsen shedding.

• Keep your dog well hydrated throughout the season.

• Wash bedding and vacuum frequently while shedding is at its peak.

Regular coat maintenance helps keep your dog comfortable and reduce dog hair around the home.

When Excessive Shedding Becomes a Concern

Normal seasonal shedding should not cause bald patches or ongoing irritation. If your dog develops patches of missing hair, persistent scratching, redness, flaky skin, or sores, if your dog's skin shows skin irritation, skin parasites, or sudden coat thinning, or if shedding increases outside of seasonal changes, it's time to schedule a veterinary visit to assess your pet's condition. Early detection matters because food allergies can also cause a dog to shed excessively, alongside parasites, hormonal conditions, or skin infections, and often leads to faster diagnosis and more effective treatment. Catching these signs early typically means a simpler, shorter course of treatment.

Can Routine Hygiene Help Reduce Shedding?

Routine Hygiene won't stop your dog from shedding, but it can help manage the amount of shedding so the natural cycle feels more manageable. Removing loose hair on a consistent schedule through routine hygiene helps prevent mats, distributes natural oils, and supports a healthy coat during seasonal transitions. As a pet parent, you may also notice a cleaner home and a cleaner, more comfortable furry friend during heavy shed season because more loose hair is removed, rather than ending up on floors, furniture, and clothing.

FAQ

Do all dogs shed more in the fall? No. Some dog breeds with single coats shed lightly and consistently throughout the year, while double-coated dogs usually show the most noticeable seasonal shifts, so dog parents often see a bigger change in the fall.

Why does my indoor dog still shed in the fall?Even indoor dogs respond to seasonal daylight changes, although artificial lighting and climate control often make shedding more consistent year-round rather than concentrated in a single season, and some dogs may shed year round indoors.

How often should I schedule Routine Hygiene appointments during shedding season? Many heavy-shedding breeds benefit from more frequent care visits during peak seasonal shedding, and routine hygiene helps remove loose undercoat and maintain healthy skin.

Is fall shedding different from spring shedding? Yes. In the spring, dogs typically shed their heavier winter coats during summer shedding. In the fall, they lose lighter summer hair as warmer coats begin to grow in for colder months.

Should I worry if my dog is shedding more than usual?Seasonal shedding is normal, but bald spots, inflamed skin, excessive scratching, sudden hair loss outside of normal shedding seasons, or other skin problems should be evaluated by your veterinarian.

The Bottom Line

Fall shedding is a healthy, natural process, and most dogs follow predictable seasonal shedding patterns, especially in the fall, with the cycle usually wrapping up within a few weeks to a couple of months. With consistent routine hygiene care, balanced nutrition, and regular coat maintenance, pet parents can help keep the coat healthier while keeping shedding under control all season long.