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When to go · Hoi An

Hoi An in September

Mixed month. Rain and storm risk rise.

Key facts

Verdict
Mixed
Temperature
32°C (90°F) / 24°C (75°F)
average high / low
Rain days
14
Crowds
Medium
Vietnam overall
Prices
Medium
Vietnam overall

Verdict

MixedVoykit month rating for Hoi An

Rain and storm risk rise.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than September?

September is rated mixed. These months rate higher:

Weather in September

Long-term averages
  • Hoi AnHighs around 32 °C (90 °F), lows around 24 °C (75 °F), rain on about 14 days

Wet autumn season

Few visitors, low prices, green countryside between storms.

Watch: Floods and typhoons; island boats stop.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Full-moon lantern night check

    14th of each lunar month · Old town and riverside

    Streetlights off and lanterns on from about 18:00, candles on the river, folk music and games; motorbikes kept out. The most crowded evening of the month.

  • Cù Lao Chàm island season check

    About March to September · Cửa Đại pier

    Speedboats run in calm seas; daily visitor caps apply (check).

  • Vu Lan and the ghost month check

    7th lunar month; Vu Lan on the 15th · Pagodas, homes

    Offerings burned outside houses; pagodas busy on the 15th.

  • National Day

    2 September (holiday, often a long weekend) · Nationwide

    Flags everywhere; domestic crowds.

  • Mid-Autumn Festival check

    15th of the 8th lunar month; around 15 September in 2027 · Old town

    Lantern stalls, lion dances in the lanes, mooncakes; children parade with lanterns.

  • Typhoon season

    Mainly September to November · Central coast

    Storm warnings close the sea and cancel boats; stay indoors for the passage of a storm.

  • Mid-Autumn

    Sep–Oct

    Lanterns, lion dances and mooncakes; children's parades.

Crowds and prices

Crowds · Vietnam overall
Medium
Prices · Vietnam overall
Medium

Vietnam overall: Typhoons shift to the centre; the north improves late in the month.

Compare two months

Weather, crowds and prices for any two months in Hoi An, side by side.

  • Verdict

    Sep: Mixed

    Mar: Great (better)

  • Daytime high

    Sep: 32 °C (90 °F)

    Mar: 29 °C (84 °F)

  • Night low

    Sep: 24 °C (75 °F)

    Mar: 21 °C (70 °F)

  • Rain days

    Sep: 14

    Mar: 4 (better)

  • Crowds

    Sep: Medium

    Mar: Medium

  • Prices

    Sep: Medium

    Mar: Medium

  • Festivals listed

    Sep: 7

    Mar: 5

September: Rain and storm risk rise.

March: Mild and dry: the best month.

Hoi An: figures are long-term averages from this guide, not a forecast.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Vietnam in September →