Lak Si Weather in September

September in Lak Si averages 34°C (93°F) during the day and 26°C (79°F) at night. It is the wettest month of the year, with 272 mm (11 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Lak Si in September

As part of the rainy season, Lak Si sees around 20 days of rain in September, with an average of 272 mm (11 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Lak Si in September

September in Lak Si brings very high temperatures, with highs of 34°C (93°F) and nights around 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.

Sunshine in Lak Si in September

The area enjoys a balanced 155 hours of sunlight, ensuring it's neither too rainy nor too sunny.

Wind Speed in Lak Si in September

Wind speeds average 1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.

September in Lak Si has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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

Lak Si Temperature in September

Min Temperature 26°C (79°F)  

Max Temperature 34°C (93°F)  

Chance of Rain 66%  

Precipitation 272 mm (11 in)  

Rainy days 20 days  

Humidity 79% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 155 hours *  

Percentage Sunshine *  

* Data from: Bangkok, Thailand (19 KM, 11 Miles).

What to Wear in Lak Si in September

Get ready for hot weather in September! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Lak Si 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 Lak Si's climate page.

More climate data for Lak Si

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Lak Si climate overview or explore weather in Thailand.