Surat Thani
September
Weather in Surat Thani for September 2025
Your guide to Surat Thani weather in September - trends and predictions
In general, the average temperature in Surat Thani at the beginning of September is 28.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.7 °C by the end of September.
Surat Thani experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Surat Thani? check out the best time to travel to Surat Thani page.
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3
Dry days
27
Rainy days
0
Snow days
30°/24°
Temperatures
17 km/h
Avg max wind
80 %
Avg humidity
Surat Thani in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  27° | 3 28° | 4 29° | 5 29° | 6 29° | 7 30° |
| 8 31° | 9 31° | 10 31° | 11 31° | 12  32° | 13 31° | 14 30° |
| 15 28° | 16 30° | 17 29° | 18 29° | 19 29° | 20 30° | 21 32° |
| 22 30° | 23 30° | 24 29° | 25 30° | 26 28° | 27  28° | 28 30° |
| 29 32° | 30  31° |
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Temperatures trend during September in Surat Thani
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 30° /24° | 5 mm | 7 | |
| 2 Sept. | Moderate or heavy rain shower | 27° /23° | 15.4 mm | 6 | |
| 3 Sept. | Light rain shower | 28° /24° | 5.5 mm | 6 | |
| 4 Sept. | Moderate or heavy rain shower | 29° /24° | 11.4 mm | 6 | |
| 5 Sept. | Light rain shower | 29° /23° | 8.5 mm | 7 | |
| 6 Sept. | Moderate or heavy rain shower | 29° /24° | 11.6 mm | 6 | |
| 7 Sept. | Light rain shower | 30° /24° | 3.5 mm | 7 | |
| 8 Sept. | Patchy rain possible | 31° /24° | 2.2 mm | 7 | |
| 9 Sept. | Light rain shower | 31° /24° | 1.5 mm | 7 | |
| 10 Sept. | Light rain shower | 31° /24° | 3.8 mm | 7 | |
| 11 Sept. | Light rain shower | 31° /24° | 1.6 mm | 7 | |
| 12 Sept. | Cloudy | 32° /25° | 0.2 mm | 7 | |
| 13 Sept. | Cloudy | 31° /24° | 3.8 mm | 7 | |
| 14 Sept. | Moderate or heavy rain shower | 30° /24° | 5.7 mm | 7 | |
| 15 Sept. | Moderate or heavy rain shower | 28° /23° | 3.8 mm | 6 | |
| 16 Sept. | Light rain shower | 30° /23° | 5.3 mm | 7 | |
| 17 Sept. | Light rain shower | 29° /24° | 4 mm | 7 | |
| 18 Sept. | Light rain shower | 29° /24° | 8.8 mm | 7 | |
| 19 Sept. | Patchy rain possible | 29° /24° | 9.5 mm | 7 | |
| 20 Sept. | Patchy rain possible | 30° /24° | 2.6 mm | 7 | |
| 21 Sept. | Light rain shower | 32° /24° | 5.9 mm | 7 | |
| 22 Sept. | Moderate or heavy rain shower | 30° /24° | 8.7 mm | 7 | |
| 23 Sept. | Light rain shower | 30° /24° | 5 mm | 7 | |
| 24 Sept. | Light rain shower | 29° /24° | 7.7 mm | 7 | |
| 25 Sept. | Light rain shower | 30° /24° | 7.3 mm | 6 | |
| 26 Sept. | Light rain shower | 28° /24° | 14.3 mm | 7 | |
| 27 Sept. | Light rain | 28° /24° | 11.7 mm | 7 | |
| 28 Sept. | Light rain shower | 30° /24° | 6.9 mm | 7 | |
| 29 Sept. | Light rain shower | 32° /24° | 4.1 mm | 7 | |
| 30 Sept. | Partly cloudy | 31° /23° | 0.7 mm | 8 | |
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Important Notice
Our weather forecast for Surat Thani 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 Surat Thani forecast closer to your planned date for the most up-to-date weather information.
Surat Thani in September - FAQ
What are the expected maximum and minimum temperatures in Surat Thani during September?
During September, expect a variety of temperatures with highs around 30° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Surat Thani during September?
Significant rainfall exceeding 240.5 mm is expected in Surat Thani during September, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Surat Thani during September?
The average wind speed in Surat Thani during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Surat Thani in September?
As you prepare for your trip to Surat Thani 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 Surat Thani, 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
- Sandals/Flip-flops: Comfortable for warm climates
- 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
- Insect Repellent: For destinations with mosquitos or other insects
September rainfall patterns in Surat Thani
Explore the daily rainfall trends and prepare for Surat Thanis September weather 💧
UV exposure in Surat Thani during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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