Sơn La province Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Sơn La province, Vietnam in September.

🔎
Sơn La

Thinking about venturing to Sơn La province, Vietnam this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Sơn La province in September

Sơn La province, Vietnam is a region in Vietnam. September in Sơn La province generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 22°C (72°F) in Sơn La. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

To explore the conditions in Sơn La province, Vietnam in more detail, check the map below.

Precipitation

September is a very rainy month with an average rainfall of around 189 mm (7.4 in) in Sơn La.

Average sunshine

Sunshine is moderately available across various locations. In Sơn La, you can expect around 182 hours of sunlight in September, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Sơn La province by month

Pick a month to see the average temperature, rainfall and sunshine in Sơn La province — and find the best time to visit. (based on Sơn La)

January22°C (72°F) February25°C (77°F) March28°C (82°F) April30°C (86°F) May31°C (88°F) June31°C (88°F) This monthJuly30°C (86°F) August30°C (86°F) September30°C (86°F) October28°C (82°F) November26°C (79°F) December23°C (73°F)
Best Time to Visit Sơn La province →

Best Places to Visit in Sơn La province in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Sơn La province.

Conditions Temperatures Precipitation
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).

Popular Destinations in Sơn La province

What is the weather like in September for the most popular destinonation in Sơn La province, Vietnam?

Sơn La

In September Sơn La generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
28°C (82°F)
Min temperature
22°C (72°F)
22°C (72°F)
19°C (66°F)
Monthly sun hours
163 hours
182 hours
183 hours
Monthly rainfall
336 mm (13 in)
189 mm (7.4 in)
63 mm (2.5 in)
Monthly rainy days
23 days
17 days
12 days
Weather conditions
poor
unpleasant
perfect
Climate in Sơn La →

Is your destination not in the list? Have a look at all destinations in Sơn La province, in Vietnam.

In our records: Vietnam September extremes

Notable September records observed across cities in Vietnam in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest September day in Vietnam brought 486 mm (19 in) in Bạch Mã on September 4, 2009.

Sơn La province weather in September: frequently asked questions

What is the weather like in Sơn La province, Vietnam in September?

September in Sơn La province, Vietnam brings poor weather. In Sơn La, daytime temperatures are typically around 30°C (86°F) and nighttime lows hover near 22°C (72°F).

What is the average temperature in Sơn La province, Vietnam in September?

Average temperatures in Sơn La province, Vietnam during September range from a nighttime low near 22°C (72°F) to a daytime high around 30°C (86°F) in Sơn La.

Does Sơn La province, Vietnam get a lot of rain in September?

Yes. September brings heavy rainfall to Sơn La province, Vietnam, with Sơn La averaging around 189 mm (7.4 in). Expect frequent showers and pack accordingly.

Is September a Good Time to Visit Sơn La province, Vietnam?

Given the typically unpleasant weather conditions in Sơn La, September may not be the ideal time to visit Sơn La province, Vietnam.

Generally speaking, the best visiting conditions can be found in January, February, March, October, November and December offering mostly perfect weather in Sơn La. The weather in June, July, August and September, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Sơn La province.

Weather and climate has detailed information for every country in the world. Are you going to Vietnam? Get detailed historical weather averages for many cities in Vietnam.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Visit Sapa in Vietnam

Balancing on the edges of a rice field with endless views. A trek through the valley of Sapa is definitely a must for the bucket list.
Peace, beauty and silence in Vietnam

Vedana is located along the shores of a secluded, peaceful and serene lagoon, surrounded in lushly forested peaks. This ensures an isolated appeal and stunning views across a vast immense lagoon.
Must visit in Vietnam →