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When to go · Vietnam

Vietnam in September

Mixed month. Typhoons shift to the centre; the north improves late in the month.

Key facts

Verdict
Mixed
Crowds
Medium
Vietnam
Prices
Medium
Vietnam

Verdict

MixedVoykit month rating for Vietnam

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

Is another month better than September?

September is rated mixed. These months rate higher:

Weather in September

  • North · Hanoi, Hạ Long, Ninh Bình, Sa Pafine

    Four seasons: cool grey winters (Sa Pa can reach 0 °C (32 °F)), humid hot summers with storms Jul–Sep; Hạ Long cruises cancel on storm warnings.

  • Centre · Huế, Đà Nẵng, Hội An, Quy Nhơnstorm or typhoon risk

    Monsoon runs Sep–Feb, the opposite of the south; Hội An's old town floods most Octobers and Novembers.

  • South · Ho Chi Minh City, Mekong, Phú Quốcrainy

    Hot all year; wet May–Nov means a 1–2 h afternoon downpour, rarely a lost day.

  • Central Coast: Huế to Hội An · Huế, Đà Nẵng, Hội Anstorm or typhoon risk

    Dry February–August; typhoons and floods September–December; Huế is wetter than Đà Nẵng.

  • Central Coast: South-central · Quy Nhơn, Nha Trang, Mũi Néfine

    Drier than the north of the coast; Mũi Né is one of the driest places in Vietnam.

  • Mild all year (highs 22–25 °C (72–77 °F)); dry December–March; rainy afternoons May–October.

  • Central Highlands: Dak Lak plateau · Buôn Ma Thuộtrainy

    Warmer than Đà Lạt; coffee harvest November–January.

  • North Vietnam: Hanoi and the Red River delta · Hanoi, Ninh Bình, Hải Phòngfine

    Grey drizzle Feb–Mar; storms Jul–Sep; October–November clear and dry.

  • North Vietnam: Coast and bays · Hạ Long, Lan Hạ, Cát Bàstorm or typhoon risk

    Typhoon warnings cancel cruises Jul–Sep; winter haze.

  • North Vietnam: Northern mountains · Sa Pa, Hà Giangbest weather

    Near freezing in Dec–Jan; rice terraces green May–Jul, golden mid-Sep to early Oct; buckwheat flowers in Hà Giang Oct–Nov.

  • Northern Vietnam: Hanoi and the delta · Red River deltastorm or typhoon risk

    Oct–Dec is the driest and clearest; Feb–Apr is damp with drizzle; May–Aug is 35 °C (95 °F)+ and humid; Jul–Sep brings typhoons that can cancel bay cruises.

  • Northern Vietnam: Northern mountains · Sa Pa, Ha Giang, Lao Caifine

    Cooler than Hanoi all year; Dec–Feb can drop near freezing at night; Sep–Nov is the clearest for terraces and passes.

  • Northern Vietnam: Coast and islands · Ha Long, Cat Ba, Hai Phongfine

    Mar–Jun and Sep–Nov are the best windows; Jul–Aug storms can ground boats and close beaches.

  • Southern Vietnam: Saigon and the delta · Ho Chi Minh City, Cần Thơ, Châu Đốcrainy

    Hot all year; wet May–November with afternoon storms; delta floods Sep–Nov raise the rivers.

  • Southern Vietnam: Islands · Phú Quốc, Côn Đảorainy

    Phú Quốc's west coast is calm November–April; rough in the south-west monsoon.

  • Da Nang32 °C (90 °F) / 24 °C (75 °F), 15 rain days
  • Hanoi31 °C (88 °F) / 25 °C (77 °F), 13 rain days
  • Ho Chi Minh City32 °C (90 °F) / 25 °C (77 °F), 22 rain days
  • Hoi An32 °C (90 °F) / 24 °C (75 °F), 14 rain days
  • Hue32 °C (90 °F) / 24 °C (75 °F), 16 rain days
  • Bac Ha24 °C (75 °F) / 15 °C (59 °F), 8 rain days
  • Bao Loc29 °C (84 °F) / 20 °C (68 °F), 20 rain days
  • Ben Tre34 °C (93 °F) / 26 °C (79 °F), 13 rain days
  • Ca Mau33 °C (91 °F) / 25 °C (77 °F), 20 rain days
  • Ca Na31 °C (88 °F) / 23 °C (73 °F), 12 rain days
  • Cai Be33 °C (91 °F) / 25 °C (77 °F), 13 rain days
  • Cai Rong31 °C (88 °F) / 26 °C (79 °F), 9 rain days
  • Cam Pha31 °C (88 °F) / 24 °C (75 °F), 13 rain days
  • Cao Bang27 °C (81 °F) / 19 °C (66 °F), 13 rain days
  • Cat Ba30 °C (86 °F) / 24 °C (75 °F), 13 rain days
  • Co Loa33 °C (91 °F) / 25 °C (77 °F), 12 rain days
  • Co To Island30 °C (86 °F) / 24 °C (75 °F), 14 rain days
  • Cu Chi31 °C (88 °F) / 26 °C (79 °F), 5 rain days
  • Cua Ong31 °C (88 °F) / 24 °C (75 °F), 13 rain days
  • Dien Bien Phu29 °C (84 °F) / 21 °C (70 °F), 13 rain days
  • Dong Dang30 °C (86 °F) / 23 °C (73 °F), 13 rain days
  • Dong Ha30 °C (86 °F) / 24 °C (75 °F), 11 rain days
  • Gia Nghia29 °C (84 °F) / 20 °C (68 °F), 18 rain days
  • Giao Xuân33 °C (91 °F) / 25 °C (77 °F), 9 rain days
  • Ha Tien32 °C (90 °F) / 26 °C (79 °F), 10 rain days
  • Khâm Đức29 °C (84 °F) / 20 °C (68 °F), 16 rain days
  • Khe Sanh30 °C (86 °F) / 22 °C (72 °F), 14 rain days
  • Kon Tum30 °C (86 °F) / 22 °C (72 °F), 13 rain days
  • Lăng Cô31 °C (88 °F) / 24 °C (75 °F), 15 rain days
  • Lao Cai27 °C (81 °F) / 22 °C (72 °F), 12 rain days
  • Long Xuyen32 °C (90 °F) / 26 °C (79 °F), 11 rain days
  • Lý Sơn31 °C (88 °F) / 25 °C (77 °F), 10 rain days
  • Mong Cai31 °C (88 °F) / 24 °C (75 °F), 14 rain days
  • My Tho32 °C (90 °F) / 25 °C (77 °F), 10 rain days
  • Na Meo31 °C (88 °F) / 24 °C (75 °F), 13 rain days
  • Ngoc Hoi29 °C (84 °F) / 21 °C (70 °F), 18 rain days
  • Phan Rang–Tháp Chàm33 °C (91 °F) / 26 °C (79 °F), 11 rain days
  • Phan Thiet33 °C (91 °F) / 25 °C (77 °F), 6 rain days
  • Pleiku27 °C (81 °F) / 19 °C (66 °F), 18 rain days
  • Quan Lạn29 °C (84 °F) / 24 °C (75 °F), 10 rain days
  • Quảng Ngãi31 °C (88 °F) / 24 °C (75 °F), 15 rain days
  • Rach Gia32 °C (90 °F) / 25 °C (77 °F), 10 rain days
  • Soc Trang33 °C (91 °F) / 25 °C (77 °F), 12 rain days
  • Tam Dao26 °C (79 °F) / 19 °C (66 °F), 15 rain days
  • Tam Kỳ33 °C (91 °F) / 25 °C (77 °F), 4 rain days
  • Tây Ninh31 °C (88 °F) / 27 °C (81 °F), 12 rain days
  • Thac Mo31 °C (88 °F) / 24 °C (75 °F), 13 rain days
  • Thái Nguyên32 °C (90 °F) / 25 °C (77 °F), 11 rain days
  • Thanh Hoa32 °C (90 °F) / 25 °C (77 °F), 9 rain days
  • Tra Vinh31 °C (88 °F) / 24 °C (75 °F), 18 rain days
  • Tuan Chau Island31 °C (88 °F) / 25 °C (77 °F), 15 rain days
  • Vinh Long33 °C (91 °F) / 25 °C (77 °F), 12 rain days
  • Vinh31 °C (88 °F) / 24 °C (75 °F), 5 rain days
  • Y Ty25 °C (77 °F) / 16 °C (61 °F), 16 rain days
  • Nha Trang32 °C (90 °F) / 24 °C (75 °F), 10 rain days
  • Da Lat24 °C (75 °F) / 17 °C (63 °F), 23 rain days
  • Sa Pa23 °C (73 °F) / 16 °C (61 °F), 19 rain days
  • Ha Giang31 °C (88 °F) / 23 °C (73 °F), 15 rain days
  • Hai Phong30 °C (86 °F) / 25 °C (77 °F), 13 rain days
  • Ha Long City30 °C (86 °F) / 25 °C (77 °F), 14 rain days
  • Can Tho31 °C (88 °F) / 24 °C (75 °F), 23 rain days
  • Phu Quoc29 °C (84 °F) / 25 °C (77 °F), 22 rain days
  • Quy Nhon32 °C (90 °F) / 25 °C (77 °F), 13 rain days
  • Mui Ne31 °C (88 °F) / 25 °C (77 °F), 16 rain days
  • Vung Tau31 °C (88 °F) / 25 °C (77 °F), 19 rain days
  • Dong Hoi31 °C (88 °F) / 25 °C (77 °F), 15 rain days
  • Ninh Binh City31 °C (88 °F) / 25 °C (77 °F), 14 rain days
  • Buon Ma Thuot29 °C (84 °F) / 21 °C (70 °F), 23 rain days
  • Chau Doc32 °C (90 °F) / 25 °C (77 °F), 22 rain days
  • Con Dao30 °C (86 °F) / 26 °C (79 °F), 18 rain days

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.

  • National Day

    2 Sep (+1 day)

    Two-day holiday; Hanoi central streets closed for events; domestic travel peak.

  • Mid-Autumn Festival

    15th day of the 8th lunar month (around 15 September in 2027 — check)

    Not a day off; lantern crowds in Hanoi Old Quarter and Hội An in the evening.

  • Typhoon and flood season

    Peak October–November · Da Nang

    Beaches close under red flags; flights, boats and the pass can close.

  • King tides and floods

    Rainy-season high tides · Ho Chi Minh City

    Knee-deep water for an hour or two after heavy rain at high tide.

  • Full-moon lantern night check

    14th of each lunar month · Hoi An

    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 · Hoi An

    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 · Hoi An

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

  • Typhoon season

    Mainly September to November · Hoi An

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

  • Mid-Autumn

    Sep–Oct · Hoi An

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

Crowds and prices

Crowds · Vietnam
Medium
Prices · Vietnam
Medium

Compare two months

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

  • Verdict

    Sep: Mixed

    Mar: Great (better)

  • Crowds

    Sep: Medium

    Mar: Medium

  • Prices

    Sep: Medium

    Mar: Medium

  • Festivals listed

    Sep: 9

    Mar: 12

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

March: Best compromise for a north-to-south trip: north warming, centre and south dry.

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

What to pack

  • A rain jacket or umbrella and shoes that dry fast
  • A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Where to go in September

Rated best or good this month

Better another month

  • Centre

    Monsoon runs Sep–Feb, the opposite of the south; Hội An's old town floods most Octobers and Novembers.