Weather in Chanthaburi for September 2025
Until now, September 2025 in Chanthaburi is slightly cooler than the historical average by -1 °C.
The forecast for the next days in Chanthaburi predicts temperatures to be around 27 °C, close to the historical average.
In general, the average temperature in Chanthaburi at the beginning of September is 27.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.7 °C by the end of September.
Chanthaburi experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 520.5 mm.
Is September a good time to visit Chanthaburi? check out the best time to travel to Chanthaburi page.
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Chanthaburi Weather September
Temperatures trend during September in Chanthaburi
September weather in Chanthaburi day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 29° /24° | 24.2 mm | 7 | |
| 2 Sept. |  Moderate or heavy rain shower | 27° /24° | 69.7 mm | 6 | |
| 3 Sept. | Moderate or heavy rain shower | 27° /24° | 35.1 mm | 6 | |
| 4 Sept. | Light rain shower | 27° /24° | 27.6 mm | 6 | |
| 5 Sept. | Light rain shower | 28° /24° | 19.5 mm | 6 | |
| 6 Sept. | Light rain shower | 28° /24° | 19.4 mm | 6 | |
| 7 Sept. |  Patchy light rain with thunder | 28° /24° | 23.1 mm | 6 | |
| 8 Sept. | Light rain shower | 27° /24° | 31.5 mm | 6 | |
| 9 Sept. | Light rain shower | 27° /24° | 27.2 mm | 6 | |
| 10 Sept. | Light rain shower | 28° /24° | 12.5 mm | 7 | |
| 11 Sept. | Light rain shower | 30° /25° | 4.3 mm | 7 | |
| 12 Sept. | Light rain shower | 31° /24° | 5.8 mm | 7 | |
| 13 Sept. | Light rain shower | 29° /24° | 11 mm | 6 | |
| 14 Sept. | Light rain shower | 27° /24° | 16.4 mm | 6 | |
| 15 Sept. | Light rain shower | 29° /25° | 8.5 mm | 6 | |
| 16 Sept. | Patchy rain possible | 31° /25° | 1.9 mm | 2.7 | |
| 17 Sept. |  Heavy rain | 28° /25° | 25.7 mm | 2.5 | |
| 18 Sept. | Heavy rain | 28° /25° | 33.8 mm | 2.5 | |
| 19 Sept. | Heavy rain | 26° /24° | 51.7 mm | 0.3 | |
| 20 Sept. | Heavy rain | 25° /24° | 63.3 mm | 0.3 | |
| 21 Sept. |  Moderate rain | 29° /25° | 6.9 mm | 6 | |
| 22 Sept. | Patchy rain possible | 30° /25° | 0.6 mm | 6 | |
| 23 Sept. | Moderate rain | 28° /25° | 5.9 mm | 6 | |
| 24 Sept. | Heavy rain | 26° /24° | 31 mm | 5 | |
| 25 Sept. | Heavy rain | 25° /24° | 78.3 mm | 5 | |
| 26 Sept. | Heavy rain | 24° /24° | 39.9 mm | 5 | |
| 27 Sept. | Patchy rain possible | 25° /23° | 1.2 mm | 5 | |
| 28 Sept. | Patchy rain possible | 28° /23° | 1.6 mm | 6 | |
| 29 Sept. | Patchy rain possible | 29° /23° | 2.6 mm | 6 | |
| 30 Sept. | Light rain shower | 30° /23° | 7 mm | 7 | |
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Chanthaburi weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 30°/25° | 28°/24° | 30°/24° |
| Rainfall | 220 mm | 520 mm | 328 mm |
| Wind | 11.1 km/h | 12.8 km/h | 7.2 km/h |
| Humidity | 83% | 88% | 86% |
| Rainy days | 27 days | 30 days | 31 days |
| Dry days | 4 days | 0 days | 0 days |
Planning a trip to Chanthaburi? Discover the best time to visit
Chanthaburi in September - FAQ
What to pack to Chanthaburi in September?
As you prepare for your trip to Chanthaburi 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 Chanthaburi, 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 Chanthaburi
UV exposure in Chanthaburi during September
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Where is Chanthaburi?Get accurate weather forecasts for Chanthaburi, located at latitude 12.61 and longitude 102.104. Stay updated with localized weather information tailored for Chanthaburi.