Vietnam
Hanoi
Weather in Sep
🗓 Season: Rains easing
A comfortable in-between month: decent weather, thinner crowds, better prices.
🟡 Shoulder season
What to wear & pack 🎒
Expect hot, very rainy, humid conditions — days around 31°C, nights near 25°C, ~19 rainy days.
Festivals & events this month 🎉
lantern-lit streets and mooncakes, best around Hang Ma street
Best time to go
September works, but October or November is the sweet spot for Hanoi.
Best months: October, November, March, April — dry, mild air and golden light between the sticky summer and the damp chill of deep winter
Visas & entry 🛂
ℹ️ Entry rules for Vietnam
Set your passport country in Account to see whether you can enter visa-free.
Create a free account with your passport country for personalized checks →
• Passport must be valid 6+ months beyond arrival.
• Use only evisa.gov.vn — lookalike sites overcharge.
Official Vietnam e-Visa portal ↗ · Vietnam Immigration Department ↗
Guidance checked July 2026. Rules change — always confirm on the official government site before booking. Not legal advice.
Top places to visit
Tap a place for map & background links.
Old Quarter36 ancient streets of street food, silk and motorbike ballet
Hoan Kiem Lake & Ngoc Son Templedawn tai-chi and the city’s calm heart
Temple of LiteratureVietnam’s first university, a thousand years old
Train Streetespresso inches from a passing train (check running times)
Adventures nearby 🥾
Hikes, mountains and outdoor days within reach — tap for details.
Hang Mua peak, Ninh Binh (day trip)500 steps to a dragon-ridge view over Trang An karsts and paddies
⛰️ Ba Vi National Park summit hikecloud-forest temple at 1,296 m, 90 minutes from the city
Ham Lon Mountain trekHanoi’s closest proper summit — easy overnight camp lake
Hidden gems 💎
Long Bien Bridge at sunriserusted Eiffel-era icon with banana-island views
Banana Island (Bai Giua)rural river life ten minutes from the Old Quarter
Cafe Giangthe original egg coffee, hidden up an alley staircase
Weather numbers are live climate data; travel notes are curated by WanderWise; photos via Wikipedia/Wikimedia Commons. Verify dates locally — festival timing (especially lunar-calendar events) can shift year to year.