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Ba Ria Weather in September

September in Ba Ria averages 31°C (88°F) during the day and 25°C (77°F) at night. It is the wettest month of the year, with 314 mm (12 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Ba Ria in September

As part of the rainy season, Ba Ria sees around 20 days of rain in September, with an average of 314 mm (12 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Ba Ria in September

In September, Ba Ria gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 25°C (77°F). For most visitors, the main thing to prepare for is the heat during the day. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Ba Ria in September

The month brings about 187 hours of sunlight, offering a comfortable mix of sun and rainy moments.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Ba Ria. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

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

Ba Ria Temperature in September

Min TemperatureMin Temperature 25°C (77°F)  
Max TemperatureMax Temperature 31°C (88°F)  
Chance of RainChance of Rain 66%  
PrecipitationPrecipitation 314 mm (12 in)  
Rainy daysRainy days 20 days  
HumidityHumidity 86% *  
SunshineSunshine 187 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Vung Tau, Vietnam (18 KM, 11 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Ba Ria typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in September

Historical weather for Ba Ria in September

Browse day-by-day weather records for Ba Ria spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Ba Ria historical weather extremes in September

According to our 38 years of weather records for Ba Ria, the following extremes were recorded between 1987 and 2025.

  • The warmest day in September was on September 25, 2019, with a maximum of 35°C (95°F).
  • The coldest September day was on September 29, 1999, with a maximum of 25°C (77°F).
  • Ba Ria registered its coldest September night on September 22, 2010, with temperatures dropping to 19°C (66°F).

Best Places in Vietnam in September

Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in September →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Ba Ria in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Ba Ria 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.

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

More climate data for Ba Ria