Sầm Sơn Weather in September

During September, Sầm Sơn experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 26°C (79°F). As the wettest month of the year, expect frequent rainfall.

Rainfall in Sầm Sơn in September

Sầm Sơn is in the rainy season in September, with rain on around 15 days and an average of 354 mm (14 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Sầm Sơn in September

Daytime highs in Sầm Sơn in September reach 31°C (88°F), with nights around 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.

Sunshine in Sầm Sơn in September

With about 172 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Sầm Sơn. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Vietnam, check out our Sầm Sơn's climate page.

Sầm Sơn Temperature in September

Min Temperature 26°C (79°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 50%  

Precipitation 354 mm (14 in)  

Rainy days 15 days  

Humidity 85% *  

Sunshine 172 hours *  

Percentage Sunshine *  

* Data from: Ninh Binh, Vietnam (58 KM, 36 Miles).

What to Wear in Sầm Sơn in September

Warm but pleasant conditions in Sầm Sơn in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Sầm Sơn in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Vietnam, check out our Sầm Sơn's climate page.

More climate data for Sầm Sơn

Temperature Rainfall Sunshine Humidity

See the full Sầm Sơn climate overview or explore weather in Vietnam.