September is the off-season in Thailand. Many liveaboards pause operations due to weather, but neighboring destinations may offer excellent alternatives.
Season rating
Low / off season
Water temperature
28–30°C · 82–86°F
Conditions in
September
What you might see
Year-round overview for Thailand
Frequently asked questions
Is September a good month to dive in Thailand?
September in Thailand is rated as low / off season. Water temperatures are around 28–30°C and conditions are usually suitable for liveaboard trips.
What can you see diving in Thailand in September?
In September, divers in Thailand typically encounter the marine life highlighted on this page, with seasonal aggregations depending on currents, plankton blooms and breeding cycles.
Should I book a Thailand liveaboard for September or wait?
If you want this month's specific marine life and conditions, book early — peak departures fill up months ahead. If you are flexible, compare August and October which often share similar conditions.
Find a liveaboard for September
Compare available Thailand liveaboards departing in September.
View liveaboardsBest time to dive · September
the MaldivesEgyptIndonesiathe Philippinesthe GalápagosMexicothe BahamasBelizethe Cayman IslandsCosta Rica (Cocos)FijiAlorAntarcticaAustraliaBalithe Banda SeaCubaDjiboutithe Dominican RepublicFrench PolynesiaHondurasKomodoMadagascarMicronesiaPapua New GuineaPortugal (Azores)Raja AmpatSaudi Arabia (Red Sea)the Seychellesthe Solomon IslandsSt. Maarten / SabaTurkeyTurks & Caicos