Ko Samet
September
Weather in Ko Samet for September 2026
Your guide to Ko Samet weather in September - trends and predictions
In general, the average temperature in Ko Samet at the beginning of September is 27.7 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 27.6 °C by the end of September.
Ko Samet experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 648 mm.
Is September a good time to visit Ko Samet? check out the best time to travel to Ko Samet page.
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Temperatures
Rain 🌧️
More
0
Dry days
30
Rainy days
0
Snow days
28°/26°
Temperatures
24 km/h
Avg max wind
81 %
Avg humidity
Ko Samet Weather September
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Temperatures trend during September in Ko Samet
See the weather trend as well as the moving average line
September weather in Ko Samet day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 28° /27° | 22.5 mm | 4 | |
| 2 Sept. |  Moderate or heavy rain shower | 27° /25° | 86.4 mm | 3 | |
| 3 Sept. | Light rain shower | 26° /25° | 40.1 mm | 2 | |
| 4 Sept. | Light rain shower | 28° /26° | 17.5 mm | 7 | |
| 5 Sept. | Light rain shower | 29° /26° | 14.6 mm | 8 | |
| 6 Sept. | Moderate or heavy rain shower | 28° /27° | 19.9 mm | 7 | |
| 7 Sept. | Moderate or heavy rain shower | 28° /25° | 33.8 mm | 7 | |
| 8 Sept. | Light rain shower | 27° /26° | 40 mm | 5 | |
| 9 Sept. | Light rain shower | 27° /25° | 24 mm | 3 | |
| 10 Sept. | Light rain shower | 27° /26° | 20.7 mm | 4 | |
| 11 Sept. | Light rain shower | 28° /26° | 3.8 mm | 9 | |
| 12 Sept. | Patchy rain possible | 29° /27° | 3.1 mm | 11 | |
| 13 Sept. | Patchy rain possible | 29° /27° | 4.7 mm | 9 | |
| 14 Sept. | Light rain shower | 27° /25° | 4.2 mm | 7 | |
| 15 Sept. | Patchy rain possible | 29° /26° | 8 mm | 7 | |
| 16 Sept. | Light rain shower | 27° /26° | 18.6 mm | 5 | |
| 17 Sept. | Light rain shower | 29° /27° | 6.6 mm | 5 | |
| 18 Sept. | Light rain shower | 29° /26° | 9.8 mm | 8 | |
| 19 Sept. | Light rain shower | 28° /27° | 23.3 mm | 3 | |
| 20 Sept. | Moderate or heavy rain shower | 28° /26° | 21.8 mm | 4 | |
| 21 Sept. | Patchy rain possible | 29° /27° | 2.2 mm | 7 | |
| 22 Sept. | Moderate or heavy rain shower | 29° /25° | 29.3 mm | 5 | |
| 23 Sept. | Light rain shower | 29° /27° | 5.3 mm | 6 | |
| 24 Sept. | Light rain shower | 28° /27° | 3.9 mm | 4 | |
| 25 Sept. | Light rain shower | 29° /27° | 11.9 mm | 5 | |
| 26 Sept. | Moderate or heavy rain shower | 27° /26° | 33.7 mm | 3 | |
| 27 Sept. | Moderate or heavy rain shower | 26° /25° | 38.1 mm | 2 | |
| 28 Sept. | Light rain shower | 28° /25° | 18.6 mm | 5 | |
| 29 Sept. | Light rain shower | 28° /26° | 5.3 mm | 3 | |
| 30 Sept. | Moderate or heavy rain shower | 27° /25° | 76.3 mm | 2 | |
| Next | |||||
Important Notice
Our weather forecast for Ko Samet in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ko Samet forecast closer to your planned date for the most up-to-date weather information.
Change Month
Ko Samet weather in September vs August vs October
Compare September weather in Ko Samet with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Light rain shower | Patchy rain possible |
| Temperatures | 29°/27° | 28°/26° | 29°/25° |
| Rainfall | 359 mm | 648 mm | 197 mm |
| Wind | 25.8 km/h | 24.4 km/h | 16.7 km/h |
| Humidity | 77% | 81% | 77% |
| Rainy days | 30 days | 30 days | 28 days |
| Dry days | 1 days | 0 days | 3 days |
Planning a trip to Ko Samet? Discover the best time to visit
Ko Samet in September - FAQ
What are the expected maximum and minimum temperatures in Ko Samet during September?
During September, expect a variety of temperatures with highs around 28° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ko Samet during September?
Significant rainfall exceeding 648 mm is expected in Ko Samet during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ko Samet during September?
The average wind speed in Ko Samet during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Ko Samet in September?
As you prepare for your trip to Ko Samet 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 Samet, 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
September rainfall patterns in Ko Samet
Explore the daily rainfall trends and prepare for Ko Samets September weather 💧
Typically, Ko Samet has 30 rainy days in September with a total of 648 mm of rainfall.
UV exposure in Ko Samet during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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