Vietnam year-round guide

Asia · September

Best time to visit Vietnam in September 🇻🇳

September in Vietnam is great time to visit. a great time — solid weather and most experiences open, often with fewer crowds than the absolute peak.

Last updated June 2026

Is September a good time to visit Vietnam? Quick answer

Yes — a great time to go.

Verdict for SeptemberGreat time to visit
Average temperature30°C high / 23°C low
Rainy days~14 days
Crowdsmed
Pricesmed
Events this monthNational Day (2 Sep)
Peak months overallFebruary, March, October, November
Insider tipDon't try the whole country in monsoon swing months (Sep–Oct) — coastal weather is unreliable.

Vietnam year at a glance

best
good
shoulder
off-season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The absolute peak months for Vietnam are February, March, October, November. September is a solid shoulder choice if you want fewer crowds.

What Vietnam is like in September

Hanoi cools and clears; Hoi An entering wet season — pack for both. Vietnam stretches 1,650 km so weather varies hugely. North has 4 seasons; central has a dry/wet split; south is hot year-round with a wet season.

Insider tip

Don't try the whole country in monsoon swing months (Sep–Oct) — coastal weather is unreliable.

September by region in Vietnam

North (Hanoi, Sapa, Halong)

best

Cool & dry Oct–Apr. Rice terraces gold in September.

Central (Hue, Hoi An, Da Nang)

shoulder

Dry & sunny Feb–Aug; typhoons Sep–Nov.

South (HCMC, Mekong, Phu Quoc)

shoulder

Dry Dec–Apr; wet but warm May–Nov.

FAQs: Vietnam in September

Is September a good time to visit Vietnam?

Yes — it's a great time to go. September in Vietnam is great time to visit. Expect average highs around 30°C and lows near 23°C, with roughly 14 rainy days.

What is the weather like in Vietnam in September?

Average daily high around 30°C, low around 23°C, with about 14 rainy days. Hanoi cools and clears; Hoi An entering wet season — pack for both.

What events or festivals happen in Vietnam in September?

Key events in September include National Day (2 Sep).

Are flights and hotels cheaper in Vietnam in September?

Prices in September are typically mid-range, with moderate crowds.

Should I book Vietnam in advance for September?

Booking 4–6 weeks ahead is usually enough in September, with more flexibility on stays than during the absolute peak.