When to go · September

South Korea in September

Excellent time to go

Chuseok (harvest festival)

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Daytime high
26°C
79°F
Overnight low
17°C
63°F
Rainfall
130 mm
wet
Crowd levels
medium
manageable
Prices
medium
shoulder

What to expect in South Korea in September

September brings warm weather to South Korea, with daytime highs around 26°C (79°F) and overnight lows near 17°C (63°F). Skies are typically moderately wet, with about 130 mm of rainfall on average. Chuseok (harvest festival).

Crowds are manageable in September — busy in popular areas but not overwhelming. Prices sit in the shoulder-season range — not the cheapest, but well off peak. Peak season runs April (cherry blossom), October (foliage), for context.

What’s happening in September

  • 🎉
    Chuseok · Sep–OctKorean harvest thanksgiving with ancestral rites and family reunions.
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Live fares for South Korea in September

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South Korea in other months

January
okay
February
okay
March
good
April
great
May
great
June
okay
July
avoid
August
okay
October
great
November
good
December
okay

Where else is good to go in September

Japan in September
27°C high · medium crowds · good
Bali in September
30°C high · medium crowds · great
Italy in September
27°C high · medium crowds · great
France in September
22°C high · medium crowds · great
Spain in September
28°C high · medium crowds · great
Portugal in September
27°C high · medium crowds · great
Greece in September
29°C high · medium crowds · great
Turkey in September
27°C high · medium crowds · great