What to pack for South Korea in September

UV index hits 7.0, which burns skin in under 25 minutes of exposure.

Glare off water and pavement intensifies at midday when the sun peaks.

Humidity and coastal location breed mosquitoes that carry dengue fever here.

Check ankles and, if there's a dog, paws and ears every night.

Nine rain days mean cuts from wet rocks and jellyfish stings happen.

This country runs on Type C or F. Get one with USB-C so you're not fighting over the single outlet.

Days are only 12.4 hours long, so devices drain faster than at home.

Set it up before you land. Signal drops for long stretches outside cities.

Daytrips to parks mean carrying water, snacks, and a light rain layer.

Fits the overhead on every airline that matters. Skip the checked-bag line entirely.

For the passport, the chargers, and the one dry pair of socks.

Humidity sits at 79 percent and you'll sweat through cotton by midday.

UV hits 7 here. Long sleeves beat reapplying sunscreen every hour.

The coast is right there and water temperature stays warm enough to swim.

National parks nearby draw crowds that thin out when you lock your pack.

Treat the clothes once and it lasts weeks.

Nine rain days a month and tap water is safe, so refill anywhere.

One brick charges the laptop, phone, and camera.

Hotel and cafe wifi is shared with everyone else in the building. A VPN keeps your banking and email to yourself.

International travel and crowded parks mean bags go missing in seconds.

Nine rain days wreck unpacked clothes, so cubes keep things dry and sorted.

Humidity at 79 percent makes clothes smell after one wear in this heat.

Urban noise runs 24 hours and roommates in hostels snore loud.

Highs reach 77°F most days, so legs stay bare from morning until evening.

Lips crack fast in wind gusting to 14 km/h and high UV.

Tap water is safe but street food vendors aren't always careful.

Jellyfish season peaks now and bites swell badly in the heat.

Urban areas have outlets everywhere but they're far from where you sit.

A few phrases go a long way. Ten minutes a day before you leave is plenty.

This is an international destination and your passport gets checked often.

Urban hostels have shared lockers that won't stop a determined thief.

Bathrooms in hostels are shared and toiletries scatter across wet floors.

Buses to national parks run all night and seats don't recline much.