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In a Nutshell

In last week’s feature, we talked about squeezing the most out of summer’s final weeks. This week, we look at what some people have to cope with as the fall takes hold, when a real, recurring dip in mood and anxiety shows up without an obvious cause. It has a name, and, more usefully, there is a short list of things that can reliably help.

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Let’s look into it,
Tim Snaith
Newsletter Editor, Healthline

Written by Tim Snaith
September 16, 2026 • 3 min read

Why fall hits some people harder

Every year, as summer fades, some people notice a low mood and rising anxiety with no obvious cause. UK general practitioner Clare Morrison has a name for it: autumn anxiety. Unlike ordinary anxiety, it tends to show up without a trigger and recur at the same time each year.

What’s behind it

☀️ Less light, less feel-good fuel. Shorter days lowers serotonin and vitamin D while melatonin rises, a combination that saps mood and energy.