Jellyfish at Na Jomtien Beach in September
September at Na Jomtien Beach is a month of moderate risk. The prevailing south-west wind of about 3.1 m/s is blowing from the sea onto the beach; mean waves 0.37 m, water 30 °C. Based on 2022–2026 weather the model rates about 3% of days in this month as high risk. Official DMCR jellyfish warnings in September: 0.
5-day outlook at Na Jomtien Beach →
Weather and sea in September
| Wind | 3.1 m/s, south-west |
|---|---|
| Onshore wind | 2.2 m/s |
| Waves | 0.37 m |
| Water | 30 °C |
| Rain | 285 mm · 24.8 days |
Official cases nearby in September
No official warnings nearby in this month.
Nearby beaches this month
- Sai Kaew Beach (Sattahip)Moderate
- Bang Saray BeachModerate
- Jomtien BeachModerate
- Pattaya BeachModerate
- Pratumnak (Cosy) BeachModerate
- Wong Amat Beach (Naklua)Moderate
Jellyfish found here
Na Jomtien Beach: jellyfish month by month
- January: Usually low risk. High risk on 0% of days. Onshore wind on 32% of days. Official warnings: 0.
- February: Usually moderate risk. High risk on 4% of days. Onshore wind on 63% of days. Official warnings: 0. Eyewitness reports: 1.
- March: Usually moderate risk. High risk on 12% of days. Onshore wind on 75% of days. Official warnings: 0.
- April: Usually low risk. High risk on 0% of days. Onshore wind on 85% of days. Official warnings: 0. Eyewitness reports: 2.
- May: Usually low risk. High risk on 0% of days. Onshore wind on 79% of days. Official warnings: 0.
- June: Usually moderate risk. High risk on 50% of days. Onshore wind on 100% of days. Official warnings: 0. Eyewitness reports: 2.
- July: Usually high risk. High risk on 56% of days. Onshore wind on 98% of days. Official warnings: 0. Eyewitness reports: 3.
- August: Usually moderate risk. High risk on 8% of days. Onshore wind on 99% of days. Official warnings: 0. Eyewitness reports: 2.
- September: Usually moderate risk. High risk on 3% of days. Onshore wind on 91% of days. Official warnings: 0.
- October: Usually moderate risk. High risk on 19% of days. Onshore wind on 25% of days. Official warnings: 0. Eyewitness reports: 2.
- November: Usually moderate risk. High risk on 0% of days. Onshore wind on 4% of days. Official warnings: 0.
- December: Usually low risk. High risk on 0% of days. Onshore wind on 4% of days. Official warnings: 0.
- Low
- Moderate
- High
- Very high
Colour shows the typical risk level that month; the number is the share of high-risk days. Warnings and sightings are in each month’s tooltip.
Questions and answers
Are there jellyfish at Na Jomtien Beach in September?
September at Na Jomtien Beach is a month of moderate risk. The prevailing south-west wind of about 3.1 m/s is blowing from the sea onto the beach; mean waves 0.37 m, water 30 °C. Based on 2022–2026 weather the model rates about 3% of days in this month as high risk. Official DMCR jellyfish warnings in September: 0.
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.




