Hoi An September — traditional fishing boats moored on the grey Thu Bon River as monsoon season takes hold

Hoi An · Vietnam

September

Typhoon season — 272mm of rain, named storm risk, and An Bang Beach completely off-limits.

Worth considering

#8 of 12 months

There are better months for Hoi An — see the full ranking below.

See when to go instead →

Climate

High

31°C

Low

24°C

Rain

272mm

Sun

6.5hrs/day

30-year climate normals · Open Meteo ERA5

How September scores in Hoi An

Weather
Low
Value
Outstanding
Crowds
Excellent
Events
Average
Atmosphere
Above average

What you gain in September

  • September is the cheapest month for accommodation — luxury riverside properties available at budget rates
  • Visitor numbers drop sharply: the Ancient Town and cooking schools have genuine availability
  • Dramatic river and sky photography: the Thu Bon swollen and fast, dramatic monsoon cloud formations

What you sacrifice

  • 272mm of rain is the beginning of the worst weather period: heavy daily rainfall with little predictability
  • Typhoon risk at its peak — named storms regularly track across central Vietnam in September, with trip-cancelling potential
  • An Bang Beach completely unusable: rough seas, dangerous surf, most beach bars shuttered

How September compares to February (best month)

FactorSeptemberFebruary
Weather
2
9
Value
9
7
Crowds
8
6

September in other destinations

Climate data: 30-year normals (1991–2020) from Open Meteo ERA5 reanalysis. Scores compare months within Hoi An, not across destinations. Methodology →