Ko Yao Yai
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Ko Yao Yai Weather in September

September in Ko Yao Yai sees daytime temperatures around 30°C (86°F) and lows of 26°C (79°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Ko Yao Yai in September

As part of the rainy season, Ko Yao Yai sees around 23 days of rain in September, with an average of 322 mm (13 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Ko Yao Yai in September

In September, Ko Yao Yai gets high temperatures, with highs of 30°C (86°F). Nights cool to around 26°C (79°F). This kind of day-to-night contrast is typical for this time of year. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

Sunshine in Ko Yao Yai in September

The month has fewer sunny days, with around 0 hours of sunshine.

September in Ko Yao Yai 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.

Ko Yao Yai Temperature in September

Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
75%
Precipitation
322 mm (13 in)
Rainy days
23 days
Sunshine
0 hours *
Percentage Sunshine
*
* Data from: Ao Phang Nga Marine national park, Thailand (25 KM, 15 Miles).

Ko Yao Yai Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ko Yao Yai - and find the best time to visit.

Best Places in Thailand in September

Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in September →

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).

What to Wear in Ko Yao Yai in September

Warm but pleasant conditions in Ko Yao Yai 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. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Ko Yao Yai in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Ko Yao Yai 3-Day Forecast

More climate data for Ko Yao Yai

Popular in September

Where to go in September - average daytime high across popular destinations.

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