Phong Nha weather in September
Hot and humid, with frequent heavy rain. Average highs of 30°C and lows of 24°C, with around 21 rainy days expected throughout the month.
While September isn't our top-rated month for Phong Nha, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
30°C
Average low
24°C
Rainy days
21 days
Best months to visit
March
What to do in Phong Nha in September
Whatever the weather, Phong Nha rewards curious visitors. Here are some of the best ways to spend your time:
Visit iconic Phong Nha attractions and temples
Explore local markets and traditional neighborhoods
Experience regional cuisine and dining specialties
Trek or hike nearby mountains or natural features
Engage with local culture and minority communities
Photography opportunities at scenic viewpoints
What to pack for September
Light breathable clothing, high-SPF sunscreen, a wide-brimmed hat, and a reusable water bottle are essential. Pack sandals and at least one light layer for air-conditioned interiors.
Browse other months
January
21C
Mild and comfortable, with regular rainfall.
February
23C
Mild and comfortable, with some rainy days.
Recommended
March
27C
Warm and pleasant, with some rainy days.
April
30C
Hot and humid, with regular rainfall.
May
32C
Hot and humid, with regular rainfall.
June
33C
Hot and humid, with some rainy days.
July
32C
Hot and humid, with regular rainfall.
August
32C
Hot and humid, with regular rainfall.
September (you are here)
30C
Hot and humid, with frequent heavy rain.
October
26C
Warm and pleasant, with frequent heavy rain.
November
24C
Mild and comfortable, with frequent heavy rain.
December
21C
Mild and comfortable, with regular rainfall.
Book your September trip to Phong Nha
Find hotels, tours and experiences for the perfect escape.
