Lao Cai Weather in September

September in Lao Cai brings high temperatures, with highs of 30°C (86°F) and nights dropping to 22°C (72°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Lao Cai in September

As part of the rainy season, Lao Cai sees around 16 days of rain in September, with an average of 185 mm (7.3 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Lao Cai in September

Expect highs of 30°C (86°F) in Lao Cai in September, with nights dropping to around 22°C (72°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 22°C (72°F), evenings stay pleasantly warm.

Sunshine in Lao Cai in September

The area enjoys a moderate level of sunlight, with around 101 hours. It's a good balance between sunny and rainy days.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Lao Cai. 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 Lao Cai's climate page.

Lao Cai Temperature in September

Min Temperature 22°C (72°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 54%  

Precipitation 185 mm (7.3 in)  

Rainy days 16 days  

Humidity 87% *  

Sunshine 101 hours *  

Percentage Sunshine 27% *  

* Data from: Sa Pa, Vietnam (21 KM, 13 Miles).

What to Wear in Lao Cai in September

Warm but pleasant conditions in Lao Cai 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Lao Cai 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

6/10

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 Lao Cai's climate page.

More climate data for Lao Cai

Temperature Rainfall Sunshine Humidity

See the full Lao Cai climate overview or explore weather in Vietnam.