Jellyfish in Phuket in September
September in Phuket is a month of moderate risk. The prevailing west wind of about 3.9 m/s is blowing from the sea onto the beach; mean waves 1.1 m, water 29.3 °C. Based on 2022–2026 weather the model rates about 12% of days in this month as high risk. Official DMCR jellyfish warnings in September: 3.
Weather and sea in September
| Wind | 3.9 m/s, west |
|---|---|
| Onshore wind | 1.6 m/s |
| Waves | 1.1 m |
| Water | 29.3 °C |
| Rain | 291 mm · 23.5 days |
Beaches this month
| Beaches | Typical risk | Onshore wind | DMCR |
|---|---|---|---|
| Ao Yon Beach | Moderate | -1.7 | 1 |
| Koh Aeo | Moderate | -1.3 | 1 |
| Long Beach (Coral Island / Koh Hey) | Moderate | -0.2 | 1 |
| Siam Bay (Koh Racha Yai) | Moderate | 0.2 | 1 |
| Tri Trang Beach | Moderate | 0 | 1 |
| Ao La / Ao Thue (Koh Racha Yai) | Moderate | 4.9 | 1 |
| Bang Tao Beach | Moderate | 2.7 | 1 |
| Freedom Beach | Moderate | 2.8 | 1 |
| Kalim Beach | Moderate | 2.6 | 1 |
| Kamala Beach | Moderate | 2.6 | 2 |
| Karon Beach | Moderate | 3.2 | 1 |
| Karon Noi Beach (Relax Bay) | Moderate | 2.2 | 1 |
| Kata Beach | Moderate | 2.8 | 1 |
| Kata Noi Beach | Moderate | 3.2 | 1 |
| Koh Mai Thon | Moderate | -4.4 | 0 |
| Laem Phanwa Beach | Moderate | -3.2 | 1 |
| Laem Singh Beach | Moderate | 2.4 | 2 |
| Layan Beach | Moderate | 2.5 | 1 |
| Mai Khao Beach | Moderate | 3 | 1 |
| Nai Harn Beach | Moderate | 2.6 | 1 |
| Nai Thon Beach | Moderate | 3 | 1 |
| Nai Yang Beach | Moderate | 2.6 | 1 |
| Patok Bay (Koh Racha Yai) | Moderate | 4.6 | 1 |
| Patong Beach | Moderate | 2.8 | 1 |
| Rawai Beach | Moderate | -2.7 | 1 |
| Sai Kaew Beach | Moderate | 2.9 | 0 |
| Surin Beach | Moderate | 2.7 | 2 |
| Ya Nui Beach | Moderate | 3.1 | 1 |
Official cases in September
- DMCRNai Thon Beach · หาดในทอน อ.ถลาง จ.ภูเก็ต
- DMCRAo La / Ao Thue (Koh Racha Yai) · อ่าวปะตก เกาะราชาใหญ่ จ.ภูเก็ต
- DMCRKaron Beach · หาดกะตะ อ.เมือง จ.ภูเก็ต
Jellyfish found here
Phuket: jellyfish month by month
- 8%Jan99+January: Usually moderate risk. High risk on 8% of days. Onshore wind on 29% of days. Official warnings: 0. Eyewitness reports: 399.
- 15%Feb99+February: Usually moderate risk. High risk on 15% of days. Onshore wind on 33% of days. Official warnings: 0. Eyewitness reports: 288.
- 5%Mar499+March: Usually moderate risk. High risk on 5% of days. Onshore wind on 38% of days. Official warnings: 4. Eyewitness reports: 370.
- 7%Apr99+April: Usually moderate risk. High risk on 7% of days. Onshore wind on 59% of days. Official warnings: 0. Eyewitness reports: 247.
- 34%May499+May: Usually moderate risk. High risk on 34% of days. Onshore wind on 64% of days. Official warnings: 4. Eyewitness reports: 100.
- 29%Jun499+June: Usually moderate risk. High risk on 29% of days. Onshore wind on 75% of days. Official warnings: 4. Eyewitness reports: 185.
- 16%Jul290July: Usually moderate risk. High risk on 16% of days. Onshore wind on 73% of days. Official warnings: 2. Eyewitness reports: 90.
- 23%Aug171August: Usually moderate risk. High risk on 23% of days. Onshore wind on 76% of days. Official warnings: 1. Eyewitness reports: 71.
- 12%Sep399+September: Usually moderate risk. High risk on 12% of days. Onshore wind on 75% of days. Official warnings: 3. Eyewitness reports: 165.
- 6%Oct94October: Usually moderate risk. High risk on 6% of days. Onshore wind on 67% of days. Official warnings: 0. Eyewitness reports: 94.
- 0%Nov52November: Usually low risk. High risk on 0% of days. Onshore wind on 41% of days. Official warnings: 0. Eyewitness reports: 52.
- 1%Dec199+December: Usually moderate risk. High risk on 1% of days. Onshore wind on 29% of days. Official warnings: 1. Eyewitness reports: 144.
- typical level that month
- bar and % — share of high-risk days
- nofficial warnings, all years
- neyewitness reports, all years
Questions and answers
Are there jellyfish in Phuket in September?
September in Phuket is a month of moderate risk. The prevailing west wind of about 3.9 m/s is blowing from the sea onto the beach; mean waves 1.1 m, water 29.3 °C. Based on 2022–2026 weather the model rates about 12% of days in this month as high risk. Official DMCR jellyfish warnings in September: 3.
Where in Phuket is the jellyfish risk lowest in September?
Based on this month’s weather the risk is lowest at: Ao Yon Beach, Koh Aeo, Long Beach (Coral Island / Koh Hey).
What to do if a jellyfish stings you in Thailand?
Get out of the water. Call 1669 for trouble breathing, chest pain or collapse. Do not rub the sting and do not rinse it with fresh water. If a box jellyfish is possible, pour vinegar over the sting for at least 30 seconds.




