Lang Co Weather in September
Lang Co in September sees very high temperatures, with highs around 30°C (86°F) and overnight lows of 26°C (79°F). With the rainy season in full effect, expect around 380 mm (15 in) of rainfall and regular showers throughout the month.
Rainfall in Lang Co in September
As part of the rainy season, Lang Co sees around 19 days of rain in September, with an average of 380 mm (15 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Lang Co in September
September in Lang Co brings very high temperatures, with highs of 30°C (86°F) and nights around 26°C (79°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Lang Co in September
With about 174 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.September in Lang Co can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 Lang Co's climate page.
Lang Co Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
62%
Precipitation
380 mm (15 in)
Rainy days
19 days
Humidity
82% *
Sunshine
174 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Lang Co typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Lang Co in September
Browse day-by-day weather records for Lang Co spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lang Co historical weather extremes in September
Based on 32 years of weather observations (1993-2025), these are the most extreme conditions recorded in Lang Co.
- The hottest September day on record in Lang Co reached 38°C (100°F) (September 8, 2024).
- On September 26, 2011, Lang Co saw its coldest September day with temperatures maxing out at 24°C (75°F).
- The coldest night in September in Lang Co was on September 15, 2000, with a minimum of 20°C (68°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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Lang Co in September
Warm but pleasant conditions in Lang Co 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 monthWhat To Do in Lang Co in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Lang Co's climate page.
Temperature Rainfall Sunshine Humidity
See the full Lang Co climate overview or explore weather in Vietnam.
