Weather · Phong Nha, Vietnam
Phong Nha Weather in September
September in Phong Nha averages 28°C by day and 23°C at night, with about 395mm of rain. That makes it a reasonable time to visit.
Avg high
28°C
82°F
Avg low
23°C
73°F
Rainfall
395mm
#2 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Phong Nha builds it around the season for you.