Data-driven dive travel planning

Find the best time to dive. Anywhere.

Ocean data. Real conditions. Better dive trips.

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Global dive conditions
September
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Conditions in September
GoodAmong this site's best monthsModerateWorkable, not the peakPoorOff seasonSame all yearNo month stands outClosedSeasonal closureNot ratedNo month ranking

Top destinations · September

Where ocean conditions and marine life line up this month.

DestinationConditionsWildlife
GuadeloupeCaribbean
4.9/5
1.6/5
MartiniqueCaribbean
4.8/5
1.7/5
Guanacaste / CatalinasAmericas
4.8/5
1.9/5
CoibaAmericas
4.8/5
2.5/5
GalapagosAmericas
4.6/5
4.4/5
OslobAsia-Pacific
4.6/5
4.3/5
Raja AmpatAsia-Pacific
4.5/5
4.6/5
Cabo San LucasAmericas
4.6/5
4.2/5
Cano Island / Drake BayAmericas
4.7/5
2.0/5
Koh TaoAsia-Pacific
4.6/5
4.1/5
CoibaAmericas
4.9/5
2.5/5
OslobAsia-Pacific
4.8/5
4.3/5
Koh TaoAsia-Pacific
4.8/5
4.1/5
Loreto / Sea of Cortez NorthAmericas
4.7/5
4.5/5
GuadeloupeCaribbean
4.8/5
1.6/5
Cano Island / Drake BayAmericas
4.8/5
2.5/5
MartiniqueCaribbean
4.8/5
1.7/5
Bohol / PanglaoAsia-Pacific
4.7/5
4.2/5
Guanacaste / CatalinasAmericas
4.8/5
2.4/5
MaldivesIndian Ocean
4.8/5
2.2/5
Koh TaoAsia-Pacific
4.9/5
4.1/5
CoibaAmericas
4.9/5
3.4/5
GuadeloupeCaribbean
4.9/5
1.7/5
MartiniqueCaribbean
4.9/5
1.6/5
Loreto / Sea of Cortez NorthAmericas
4.8/5
4.5/5
KomodoAsia-Pacific
4.8/5
4.3/5
MaldivesIndian Ocean
4.8/5
2.6/5
OslobAsia-Pacific
4.7/5
4.3/5
Dumaguete / DauinAsia-Pacific
4.7/5
4.4/5
RedangAsia-Pacific
4.8/5
2.6/5
OslobAsia-Pacific
4.9/5
4.3/5
MartiniqueCaribbean
4.9/5
1.7/5
Loreto / Sea of Cortez NorthAmericas
4.8/5
4.2/5
GuadeloupeCaribbean
4.9/5
1.7/5
Dumaguete / DauinAsia-Pacific
4.8/5
4.3/5
Apo IslandAsia-Pacific
4.8/5
4.3/5
Puerto GaleraAsia-Pacific
4.8/5
2.1/5
Bohol / PanglaoAsia-Pacific
4.7/5
4.2/5
MoalboalAsia-Pacific
4.7/5
4.2/5
Koh TaoAsia-Pacific
4.7/5
4.2/5
KomodoAsia-Pacific
4.9/5
4.4/5
Tulamben / AmedAsia-Pacific
4.9/5
4.3/5
MartiniqueCaribbean
4.9/5
1.8/5
Loreto / Sea of Cortez NorthAmericas
4.9/5
2.8/5
Nosy BeIndian Ocean
4.9/5
1.6/5
GuadeloupeCaribbean
4.9/5
1.6/5
Gili IslandsAsia-Pacific
4.8/5
2.5/5
OslobAsia-Pacific
4.7/5
4.3/5
MoalboalAsia-Pacific
4.7/5
4.2/5
Dumaguete / DauinAsia-Pacific
4.7/5
4.3/5
Nosy BeIndian Ocean
5.0/5
2.9/5
KomodoAsia-Pacific
4.9/5
4.4/5
Tulamben / AmedAsia-Pacific
4.9/5
4.4/5
Gili IslandsAsia-Pacific
4.9/5
2.6/5
ElbaEurope & Atlantic
4.8/5
2.0/5
GuadeloupeCaribbean
4.8/5
1.6/5
GreeceEurope & Atlantic
4.8/5
2.6/5
Canary IslandsEurope & Atlantic
4.7/5
4.1/5
Ibiza / FormenteraEurope & Atlantic
4.8/5
0.0/5
GalapagosAmericas
4.6/5
4.6/5
Nosy BeIndian Ocean
5.0/5
2.0/5
KomodoAsia-Pacific
4.9/5
4.4/5
Ibiza / FormenteraEurope & Atlantic
4.9/5
1.2/5
ElbaEurope & Atlantic
4.9/5
2.6/5
Gili IslandsAsia-Pacific
4.9/5
2.6/5
Portofino / Ligurian SeaEurope & Atlantic
4.9/5
2.4/5
Tulamben / AmedAsia-Pacific
4.8/5
4.5/5
MenorcaEurope & Atlantic
4.9/5
2.1/5
MadeiraEurope & Atlantic
4.9/5
2.1/5
Channel IslandsAmericas
4.8/5
4.5/5
Nosy BeIndian Ocean
5.0/5
2.5/5
KomodoAsia-Pacific
4.9/5
4.4/5
Tulamben / AmedAsia-Pacific
4.8/5
4.8/5
Gili IslandsAsia-Pacific
4.9/5
2.5/5
ElbaEurope & Atlantic
4.9/5
2.0/5
GreeceEurope & Atlantic
4.8/5
2.6/5
Channel IslandsAmericas
4.7/5
5.0/5
MenorcaEurope & Atlantic
4.9/5
1.4/5
Ibiza / FormenteraEurope & Atlantic
4.9/5
0.0/5
OslobAsia-Pacific
4.7/5
4.3/5
KomodoAsia-Pacific
4.9/5
4.4/5
Nosy BeIndian Ocean
4.9/5
2.0/5
Tulamben / AmedAsia-Pacific
4.9/5
4.8/5
Gili IslandsAsia-Pacific
4.9/5
2.6/5
Rowley ShoalsAsia-Pacific
4.8/5
1.8/5
Channel IslandsAmericas
4.7/5
5.0/5
Canary IslandsEurope & Atlantic
4.7/5
4.1/5
OslobAsia-Pacific
4.7/5
4.3/5
LombokAsia-Pacific
4.6/5
4.8/5
MadeiraEurope & Atlantic
4.8/5
2.1/5
KomodoAsia-Pacific
4.9/5
4.3/5
Nosy BeIndian Ocean
4.9/5
4.3/5
Tulamben / AmedAsia-Pacific
4.8/5
4.8/5
Canary IslandsEurope & Atlantic
4.8/5
4.2/5
Rowley ShoalsAsia-Pacific
4.8/5
1.9/5
Sharm el-Sheikh / Ras MohammedRed Sea & Middle East
4.8/5
2.5/5
Channel IslandsAmericas
4.6/5
5.0/5
HurghadaRed Sea & Middle East
4.8/5
2.1/5
Marsa AlamRed Sea & Middle East
4.8/5
2.2/5
Strait of Gubal / ThistlegormRed Sea & Middle East
4.7/5
2.5/5
KomodoAsia-Pacific
4.9/5
4.4/5
Nosy BeIndian Ocean
4.8/5
4.3/5
Sharm el-Sheikh / Ras MohammedRed Sea & Middle East
4.8/5
2.6/5
Marsa AlamRed Sea & Middle East
4.8/5
3.3/5
Rowley ShoalsAsia-Pacific
4.8/5
1.9/5
Strait of Gubal / ThistlegormRed Sea & Middle East
4.8/5
2.6/5
Big Island / KonaAsia-Pacific
4.7/5
4.3/5
Loreto / Sea of Cortez NorthAmericas
4.8/5
0.7/5
HurghadaRed Sea & Middle East
4.8/5
2.1/5
GalapagosAmericas
4.6/5
4.3/5
MartiniqueCaribbean
4.9/5
1.4/5
Guanacaste / CatalinasAmericas
4.9/5
1.6/5
GalapagosAmericas
4.8/5
4.4/5
GuadeloupeCaribbean
4.8/5
1.6/5
Cabo San LucasAmericas
4.7/5
4.1/5
Marsa AlamRed Sea & Middle East
4.7/5
3.4/5
Loreto / Sea of Cortez NorthAmericas
4.7/5
2.6/5
HurghadaRed Sea & Middle East
4.7/5
2.5/5
Sharm el-Sheikh / Ras MohammedRed Sea & Middle East
4.7/5
2.5/5
Abu DabbabRed Sea & Middle East
4.7/5
3.4/5

Browse by region

Explore dive destinations by area

Asia-Pacific

84destinations →

Indian Ocean

23destinations →

Red Sea & Middle East

22destinations →

Europe & Atlantic

31destinations →

Caribbean

44destinations →

Americas

31destinations →

What you can see in September

Animals at their peak this month, and the most reliable places to meet them. The bar shows how reliably each one turns up.

8 headline species in season

These are sightings people logged. A blank month may just mean nobody recorded one.

Our data sources

Trusted ocean data.
Better dive decisions.

NOAA OISST · NASA MUR
10 years of daily sea temperature from satellites, 2016–2025
ERA5
10 years of rain, wind and air temperature, via Open-Meteo
Open-Meteo Marine
4 years of wave height, 2022–2025
OBIS
340,098 marine life records across 223 destinations
NOAA VIIRS
Satellite readings of plankton since 2012, used to estimate visibility
IBTrACS
30 years of cyclone tracks; 153 of 235 destinations sit within 250 km of one
How we know →
Our methodology, data sources and more.