If you notice more hair coming out specifically in autumn, you're not imagining it — seasonal hair shedding is a real, documented pattern, not just a coincidence or anxiety-driven perception.

Is this actually a real phenomenon?

Yes. Research has observed a seasonal pattern where more hair follicles enter the resting (telogen) phase in late summer, leading to increased shedding roughly 2-3 months later — typically autumn. This is thought to be an evolutionary holdover, similar to seasonal shedding patterns seen in many mammals, though in humans it's a much subtler effect than an animal's seasonal coat change.

How to tell seasonal shedding from a bigger problem

Seasonal shedding is: mild-to-moderate (noticeably more hair than usual, but not dramatic hair loss), temporary (typically resolves within a few weeks to a couple of months), and recurring in a similar pattern each year if you look back. This is different from the causes covered in our complete hair loss diagnosis guide, which tend to be either progressive (genetics) or tied to a specific non-seasonal trigger (illness, stress, childbirth).

What to do about it

  • Mostly, nothing drastic is needed — if the pattern matches previous years and resolves within a couple of months, this is a normal cyclical variation, not a condition requiring treatment.
  • Keep supporting the basics — adequate protein, iron, and overall nutrition help hair recover faster from any shedding phase, seasonal or otherwise (see our nutrition guide).
  • Track it with photos if you're unsure whether it's truly seasonal or something progressing — comparing this autumn to last autumn (not just to summer) gives a fairer comparison.

When seasonal shedding isn't the full explanation

If shedding is significantly more severe than in previous years, doesn't taper off after 2-3 months, or is accompanied by a visible pattern (hairline, crown, patches) rather than diffuse all-over thinning, something else is likely happening alongside — or instead of — the normal seasonal effect, and it's worth investigating further.

Curious which explanation fits your situation? Our free 2-minute quiz can help.

Quick answers

Q: Does seasonal shedding happen every year at the same time?
A: For many people, yes — it tends to follow a similar pattern year to year, which is one way to distinguish it from a new, unrelated cause.

Q: Is seasonal shedding worse with age?
A: There is no strong evidence it worsens specifically with age, though age-related changes to the overall hair cycle can make any shedding more noticeable.