Weather in Sầm Sơn in September
Sầm Sơn, Vietnam averages a high of 29.5°C (85.1°F) and low of 25.1°C (77.2°F) in September, with 20 rain days and 8.2 hours of daily sunshine. Travel score: 64/100 (Good). The best time to visit Sầm Sơn is November.
High
30°C85°F
Low
25°C77°F
🌧️
20
rain days
☀️
8.2
hrs/day sunshine
💧
84%
humidity
64— Good
September in Sầm Sơn is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Sầm Sơn?
How much does it rain in Sầm Sơn in September?
Sầm Sơn receives an average of 311.4mm of rainfall across 20 rainy days in September. The annual total is 1580.8mm.
What should I pack for Sầm Sơn in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧥
Waterproof jacket
Frequent rain expected (20 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
8 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Vietnam in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31