Nong Khai Weather in September

September in Nong Khai brings very high temperatures around 33°C (91°F) during the day, dropping to 25°C (77°F) at night, and as part of the rainy season, heavy rainfall is common.

Rainfall in Nong Khai in September

As part of the rainy season, Nong Khai sees around 19 days of rain in September, with an average of 305 mm (12 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Nong Khai in September

September in Nong Khai sees highs of 33°C (91°F) and lows of 25°C (77°F) overnight. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Nong Khai in September

The month brings about 168 hours of sunlight, offering a comfortable mix of sun and rainy moments.

September in Nong Khai 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.

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• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit Thailand, check out our Nong Khai's climate page.

Nong Khai Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 33°C (91°F)  

Chance of Rain 62%  

Precipitation 305 mm (12 in)  

Rainy days 19 days  

Humidity 83% *  

Sunshine 168 hours *  

Percentage Sunshine *  

* Data from: Vientiane, Laos (25 KM, 15 Miles).

What to Wear in Nong Khai 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! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Nong Khai 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 Thailand, check out our Nong Khai's climate page.

More climate data for Nong Khai

Temperature Rainfall Sunshine Humidity

See the full Nong Khai climate overview or explore weather in Thailand.