Nha Trang · Month comparison
September vs April
April ranks #1 overall vs September at #9. Pre-summer sweet spot — 31°C, dry, Reunification Day fills Tran Phu late month.
September
#9 of 12 months
Strong option
Shoulder begins — schools back, rates drop, but the first wet-season storms appear.
- ↑31°C and warm sea; hotel rates drop 30% as schools return
- ↑Reunification Independence Day (2 September) family festivities
April
#1 of 12 months
Best match
Pre-summer sweet spot — 31°C, dry, Reunification Day fills Tran Phu late month.
- ↑31°C, dry, sea visibility still 20m — best month for combined beach and diving
- ↑Reunification Day (30 April) and Labour Day weekend — local festive atmosphere
| Factor | September | April |
|---|---|---|
| Weather score | 6 | 10 |
| Value score | 7 | 7 |
| Crowd score | 7 | 7 |
| Events score | 6 | 8 |
| Atmosphere | 6 | 10 |
| Avg high temp | 31°C | 31°C |
| Monthly rain | 130mm | 30mm |
| Daily sunshine | 8hrs | 9hrs |
September trade-offs
- ↓130mm rain across 10+ wet days as rainy season ramps up
- ↓Boat trips to Hon Mun cancelled on choppy days
April trade-offs
- ↓30 April-1 May holiday spikes domestic Vietnamese tourist arrivals
- ↓UV index spikes — burn risk in midday
Scores compare months within Nha Trang. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →