Vietnam in September
September is Vietnam's weakest month (rank 12 of 12): its 17 destinations average 55/100, led by Mui Ne at 78 — 31°C and 22 rainy days — while Dalat is cooler at 23°C and scores 60.
#12 of 12 months for Vietnam · 17 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Vietnam in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Mui Ne | Beach | 31°C | 151 mm · 22 days | 78 tier B | — |
| 2 | Sapa | Trekking hub | 24°C | 176 mm · 24 days | 72 tier B | — |
| 3 | Quy Nhon | Beach | 31°C | 253 mm · 24 days | 67 tier C | — |
| 4 | Ha Long | Beach | 30°C | 269 mm · 23 days | 62 tier C | — |
| 5 | Nha Trang | Beach | 37°C | 326 mm · 27 days | 61 tier C | — |
| 6 | Da Nang | Beach | 37°C | 328 mm · 24 days | 60 tier C | — |
| 7 | Dalat | City | 23°C | 333 mm · 29 days | 60 tier C | — |
| 8 | Con Dao | Island | 28°C | 336 mm · 26 days | 58 tier D | — |
| 9 | Ha Giang | Trekking hub | 30°C | 221 mm · 22 days | 54 tier D | — |
| 10 | Phu Quoc | Island | 32°C | 438 mm · 27 days | 52 tier D | — |
| 11 | Ho Chi Minh City | City | 36°C | 285 mm · 29 days | 47 tier F | — |
| 12 | Can Tho | City | 30°C | 314 mm · 28 days | 46 tier F | — |
| 13 | Hanoi | City | 37°C | 259 mm · 21 days | 45 tier F | — |
| 14 | Hue | City | 36°C | 366 mm · 23 days | 45 tier F | — |
| 15 | Hội An | City | 37°C | 328 mm · 24 days | 44 tier F | — |
| 16 | Ninh Binh | City | 30°C | 291 mm · 22 days | 43 tier F | — |
| 17 | Phong Nha | National park | 31°C | 395 mm · 22 days | 43 tier F | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Vietnam in September
- Vu Lan and the ghost month · Ho Chi Minh City · 1 Aug – 5 Sep (usually)
- National Day · Ho Chi Minh City and 1 more place · 1–2 Sep
- Mid-Autumn Festival · Ho Chi Minh City and 1 more place · 25 Sep
- Full moon lantern night · Hội An · 1 Jan – 31 Dec
- Dragon fruit season · Mui Ne · 1 May – 30 Sep (usually)
- Ripe rice on the terraces · Sapa · 1 Sep – 5 Oct (usually)
- Sea turtle nesting · Con Dao · 15 Apr – 31 Oct (usually)
- Rice terraces turn gold · Ha Giang · 5 Sep – 10 Oct (usually)