Quy Nhon weather in September
September in Quy Nhon: sweltering, soaked, with clean air — fine if you can take 24 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#9 of 12 months in Quy Nhon · #994 of 1413 destinations to visit in September · comfort 68/100 (tier C)
- Days
- 33°C
- Nights
- 27°C
- Wet days
- 24
- Sun
- 9.6 h
- Humidity
- 80%
- Daylight
- 12 h
Traveller notes on Quy Nhon in September
Other months in Quy Nhon
Vietnam forum threads describe January as genuinely winter for Quy Nhon, with a strong northeasterly wind picking up and real potential for wet, less-than-ideal beach weather - not freezing, but not the golden-sand beach postcard some expect either. Posters who'd visited a bit later, in February, reported much better conditions, and general forum consensus steered January beach-seekers further south instead, toward Phu Quoc, Mui Ne or Nha Trang, which stay sunnier and calmer this time of year. That said, attractions like Ky Cô Beach with its distinctive 'golden powder' sand were still praised as worth visiting outside the water-focused parts of a trip.
Forum posters name the February-through-August stretch as Quy Nhon's favorable weather window, with March specifically praised as sunny and warm without being properly hot, and humidity comfortable enough for extended walking and sightseeing. This lines up with the broader central Vietnam pattern posters describe for the same period - the spring rains have cleared by this point, replaced by gentler, more settled sunshine rather than the harsher, more humid heat of deep summer. For Quy Nhon itself, posters point to Bai Xep as a quieter, less-developed beach option paired with decent hiking nearby, appealing to visitors who want to combine beach time with some outdoor activity rather than a purely resort-bound stay.
Add your own note from Quy Nhon's card on the map.
Quy Nhon climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Quy Nhon in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsNational Day, Summer break in Vietnam, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Quy Nhon's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherQuy Nhon's weather peaks February–April, best around March.
Best weatherFair weatherToughest weather
What's on in Quy Nhon in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Holiday
National Day
30 Aug – 3 Sep · usuallyNational holidayCrowdedBook earlyNational Day on 2 September comes with at least two days off, usually joined to a weekend, and is a domestic travel peak. Flights and buses sell out, hotels fill with Vietnamese families, and streets are hung with red flags. Source ↗
- Hazard
Storm and flood season
15 Sep – 15 Dec · usuallyTyphoon seasonClosuresThe south-central coast takes its weather late in the year, and a landfall or a few days of heavy rain closes the coast road and the boats out to the islands. October and November are the worst of it. Source ↗
- Season
Wet season
MonsoonRisk24 rainy days and about 228 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Nearby, and something's on
Within 300 km of Quy Nhon — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Quy Nhon?
Quy Nhon in September — FAQ
- Is September a good time to visit Quy Nhon?
- September in Quy Nhon: sweltering, soaked, with clean air — fine if you can take 24 rainy days. It ranks #9 of 12 months for Quy Nhon on SeasonMap's comfort score (68/100).
- What is the weather like in Quy Nhon in September?
- In September, Quy Nhon averages a daily high of 32.6°C and a low of 26.7°C, with about 227.5 mm of rain over roughly 24 rainy days.
- What is the air quality in Quy Nhon in September?
- Quy Nhon has a mean US Air Quality Index of about 40 in September.
Within 300 km: Hội An's Full moon lantern night on 1 Jan – 31 Dec, and Nha Trang's National Day around 30 Aug – 3 Sep.