Jellyfish in Koh Tao in September

September in Koh Tao is a month of moderate risk. The prevailing west wind of about 5.6 m/s is blowing from the sea onto the beach; mean waves 0.39 m, water 29.7 °C. Based on 2022–2026 weather the model rates about 4% of days in this month as high risk. Official DMCR jellyfish warnings in September: 0.

Typical risk this monthModerate
  • Low 1%
  • Moderate 95%
  • High 4%
  • Very high 0%

How the days of this month split by risk level (2022–2026 weather). A typical day is moderate; 4% of days are high or very high.

Risk in Koh Tao today →

Weather and sea in September

Wind5.6 m/s, west
Onshore wind2.4 m/s
Waves0.39 m
Water29.7 °C
Rain216 mm · 23.8 days

Beaches this month

BeachesTypical riskOnshore windDMCR
Chalok Baan Kao BayModerate3.60
Koh Nang YuanModerate50
Shark Bay (Ao Thian Og)Moderate2.90
Sairee BeachModerate4.50
Tanote BayModerate-3.80

Official cases in September

No official warnings nearby in this month.

Jellyfish found here

Koh Tao: jellyfish month by month

  1. 0%Jan7January: Usually moderate risk. High risk on 0% of days. Onshore wind on 27% of days. Official warnings: 0. Eyewitness reports: 7.
  2. 4%Feb2February: Usually moderate risk. High risk on 4% of days. Onshore wind on 38% of days. Official warnings: 0. Eyewitness reports: 2.
  3. 7%Mar3March: Usually moderate risk. High risk on 7% of days. Onshore wind on 51% of days. Official warnings: 0. Eyewitness reports: 3.
  4. 0%Apr3April: Usually moderate risk. High risk on 0% of days. Onshore wind on 62% of days. Official warnings: 0. Eyewitness reports: 3.
  5. 0%MayMay: Usually moderate risk. High risk on 0% of days. Onshore wind on 67% of days. Official warnings: 0.
  6. 0%Jun2June: Usually moderate risk. High risk on 0% of days. Onshore wind on 80% of days. Official warnings: 0. Eyewitness reports: 2.
  7. 17%Jul1July: Usually moderate risk. High risk on 17% of days. Onshore wind on 79% of days. Official warnings: 0. Eyewitness reports: 1.
  8. 10%Aug7August: Usually moderate risk. High risk on 10% of days. Onshore wind on 80% of days. Official warnings: 0. Eyewitness reports: 7.
  9. 4%Sep4September: Usually moderate risk. High risk on 4% of days. Onshore wind on 77% of days. Official warnings: 0. Eyewitness reports: 4.
  10. 13%Oct3October: Usually moderate risk. High risk on 13% of days. Onshore wind on 47% of days. Official warnings: 0. Eyewitness reports: 3.
  11. 8%Nov3November: Usually moderate risk. High risk on 8% of days. Onshore wind on 29% of days. Official warnings: 0. Eyewitness reports: 3.
  12. 5%Dec3December: Usually moderate risk. High risk on 5% of days. Onshore wind on 19% of days. Official warnings: 0. Eyewitness reports: 3.
  • 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 Koh Tao in September?

September in Koh Tao is a month of moderate risk. The prevailing west wind of about 5.6 m/s is blowing from the sea onto the beach; mean waves 0.39 m, water 29.7 °C. Based on 2022–2026 weather the model rates about 4% of days in this month as high risk. Official DMCR jellyfish warnings in September: 0.

Where in Koh Tao is the jellyfish risk lowest in September?

Based on this month’s weather the risk is lowest at: Chalok Baan Kao Bay, Koh Nang Yuan, Shark Bay (Ao Thian Og).

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.