Weather in Ko Lanta for September 2025
In general, the average temperature in Ko Lanta at the beginning of September is 27.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 28.1 °C by the end of September.
Ko Lanta experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Ko Lanta? check out the best time to travel to Ko Lanta page.
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Ko Lanta in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 28° | 2 28° | 3 28° | 4 27° | 5 28° | 6 28° | 7 28° |
8 29° | 9 28° | 10 28° | 11 28° | 12 28° | 13 28° | 14 28° |
15 28° | 16 28° | 17 28° | 18 28° | 19 28° | 20 28° | 21 28° |
22 28° | 23 27° | 24 28° | 25 28° | 26 28° | 27 27° | 28 29° |
29 29° | 30 28° |
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Temperatures trend during September in Ko Lanta
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Moderate or heavy rain shower | 28° /27° | 24.9 mm | 6 | |
2 Sept. | Torrential rain shower | 28° /26° | 77.6 mm | 6 | |
3 Sept. | Moderate or heavy rain shower | 28° /26° | 34.2 mm | 6 | |
4 Sept. | Torrential rain shower | 27° /26° | 114.7 mm | 6 | |
5 Sept. | Torrential rain shower | 28° /26° | 126.9 mm | 6 | |
6 Sept. | Moderate or heavy rain shower | 28° /27° | 19.2 mm | 6 | |
7 Sept. | Light rain shower | 28° /27° | 12.8 mm | 6 | |
8 Sept. | Partly cloudy | 29° /27° | 7.4 mm | 7 | |
9 Sept. | Torrential rain shower | 28° /27° | 13.9 mm | 6 | |
10 Sept. | Torrential rain shower | 28° /26° | 32 mm | 6 | |
11 Sept. | Light rain shower | 28° /26° | 3.1 mm | 6 | |
12 Sept. | Cloudy | 28° /27° | 2.8 mm | 6 | |
13 Sept. | Cloudy | 28° /26° | 14.1 mm | 6 | |
14 Sept. | Partly cloudy | 28° /26° | 4.5 mm | 7 | |
15 Sept. | Overcast | 28° /26° | 9.6 mm | 6 | |
16 Sept. | Light rain shower | 28° /26° | 13.4 mm | 6 | |
17 Sept. | Patchy light drizzle | 28° /27° | 11.4 mm | 6 | |
18 Sept. | Light rain shower | 28° /26° | 16.8 mm | 6 | |
19 Sept. | Moderate or heavy rain shower | 28° /27° | 22.3 mm | 6 | |
20 Sept. | Moderate or heavy rain shower | 28° /26° | 14.5 mm | 6 | |
21 Sept. | Moderate or heavy rain shower | 28° /26° | 21.7 mm | 6 | |
22 Sept. | Torrential rain shower | 28° /26° | 72 mm | 6 | |
23 Sept. | Moderate or heavy rain shower | 27° /26° | 32.3 mm | 6 | |
24 Sept. | Moderate or heavy rain shower | 28° /25° | 33.9 mm | 6 | |
25 Sept. | Light rain shower | 28° /26° | 9.2 mm | 6 | |
26 Sept. | Light rain shower | 28° /26° | 11.8 mm | 6 | |
27 Sept. | Light rain shower | 27° /25° | 23.9 mm | 6 | |
28 Sept. | Patchy rain possible | 29° /26° | 2.4 mm | 6 | |
29 Sept. | Patchy rain possible | 29° /27° | 2.2 mm | 7 | |
30 Sept. | Patchy rain possible | 28° /27° | 1.6 mm | 6 | |
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Ko Lanta in September - FAQ
What to pack to Ko Lanta in September?
As you prepare for your trip to Ko Lanta in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Ko Lanta, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
Quick links
Get accurate weather forecasts for Ko Lanta, located at latitude 7.534 and longitude 99.086. Stay updated with localized weather information tailored for Ko Lanta.