Hanoi in September

Still hot; Sep 2 holiday.

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

September is rated mixed. These months rate higher:

• OctoberGreatBest month for walking.
• NovemberGreatDry, comfortable.
• AprilGreatWarm; good month.
• DecemberGoodCool; bring a layer.

• HanoiHighs around 31 °C (88 °F), lows around 25 °C (77 °F), rain on about 13 daysHighs around 88 °F (31 °C), lows around 77 °F (25 °C), rain on about 13 days
• North, Vietnam · 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.Four seasons: cool grey winters (Sa Pa can reach 32 °F (0 °C)), humid hot summers with storms Jul–Sep; Hạ Long cruises cancel on storm warnings.

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 September (holiday, often a long weekend) · Ba Đình, Hoàn Kiếm

  Flags everywhere; parades in anniversary years; closures around Ba Đình Square. Mausoleum often shut around the date.

• Mid-Autumn Festival (Tết Trung Thu) check

  15th of the 8th lunar month; around 15 September in 2027 · Hàng Mã and the Old Quarter

  Lantern and toy stalls fill Hàng Mã for two weeks; lion dances; mooncakes everywhere. Very crowded on the evenings before the full moon.

Crowds · Vietnam overall

Medium

Prices · Vietnam overall

Medium

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

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

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

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