Hanoi edges it in September. Hanoi averages 25–32°C with low–moderate crowds; Ho Chi Minh City 25–33°C with low crowds.
By Daan · Last reviewed October 2026
Hanoi and Ho Chi Minh City
The verdict for September
Still wet, but conditions begin improving
+Good value continues as temperatures begin to ease.
–Rainfall remains high at 225mm across roughly 14 rainy days.
Late September can hint at autumn while retaining low-season pricing.
Humid, rainy and atmospheric
+Quieter atmosphere
–Peak rainfall
September is typically the wettest month in Ho Chi Minh City, with high humidity and frequent rainfall. It suits travelers who do not mind adapting plans around tropical showers.
Scores and crowd levels are my own judgement; temperatures are monthly averages. Higher scores are better: quieter, cheaper and more pleasant.
Another month