Slack Water
When to go

Where to dive in September

15 destinations are in peak season and 10 are good. Check the certification each one needs before you book.

In season
  1. Azores
    Portugal · North Atlantic
    Peak season in September
    Water
    15–24°C
    Vis
    15–30 m
    Current
    Moderate
    Level
    AOW+
  2. Bonaire
    Caribbean Netherlands · Southern Caribbean
    Peak season in September
    Water
    26–28°C
    Vis
    20–30 m
    Current
    Mild
    Level
    OW
  3. Cocos Island
    Costa Rica · Eastern Pacific
    Peak season in September
    Water
    20–28°C
    Vis
    10–30 m
    Current
    Strong
    Level
    AOW+
  4. Fiji
    Fiji · South Pacific
    Peak season in September
    Water
    24–30°C
    Vis
    15–40 m
    Current
    Moderate
    Level
    OW
  5. Galápagos
    Ecuador · Eastern Pacific
    Peak season in September
    Water
    16–26°C
    Vis
    10–25 m
    Current
    Strong
    Level
    AOW+
  6. Great Barrier Reef
    Australia · Queensland
    Peak season in September
    Water
    22–30°C
    Vis
    15–30 m
    Current
    Mild
    Level
    OW
  7. Komodo
    Indonesia · Flores Sea
    Peak season in September
    Water
    20–29°C
    Vis
    10–30 m
    Current
    Strong
    Level
    AOW+
  8. Kona
    United States · Big Island of Hawaii
    Peak season in September
    Water
    24–28°C
    Vis
    20–30 m
    Current
    Mild
    Level
    OW
  9. Malaysia East Coast
    Malaysia · Perhentian, Redang, Tioman
    Peak season in September
    Water
    27–30°C
    Vis
    10–25 m
    Current
    Mild
    Level
    OW
  10. Malta and Gozo
    Malta · Mediterranean
    Peak season in September
    Water
    15–26°C
    Vis
    20–40 m
    Current
    Mild
    Level
    OW
  11. Northern Red Sea
    Egypt · Red Sea
    Peak season in September
    Water
    21–29°C
    Vis
    15–30 m
    Current
    Mild
    Level
    OW
  12. Nusa Penida
    Indonesia · Bali
    Peak season in September
    Water
    16–29°C
    Vis
    10–30 m
    Current
    Strong
    Level
    AOW+
  13. Rangiroa and Fakarava
    French Polynesia · Tuamotu Archipelago
    Peak season in September
    Water
    26–29°C
    Vis
    15–30 m
    Current
    Strong
    Level
    AOW+
  14. Sipadan
    Malaysia · Sabah, Borneo
    Peak season in September
    Water
    27–30°C
    Vis
    15–30 m
    Current
    Moderate
    Level
    AOW+
  15. Tulamben and Amed
    Indonesia · Northeast Bali
    Peak season in September
    Water
    23–29°C
    Vis
    5–25 m
    Current
    Mild
    Level
    OW
  16. Anilao
    Philippines · Batangas, Luzon
    Good in September
    Water
    23–29°C
    Vis
    9–25 m
    Current
    Moderate
    Level
    AOW+
  17. Cenotes of the Yucatán
    Mexico · Yucatán Peninsula (Riviera Maya)
    Good in September
    Water
    24–25°C
    Vis
    20–50 m
    Current
    Mild
    Level
    AOW+
  18. Koh Tao
    Thailand · Gulf of Thailand
    Good in September
    Water
    27–30°C
    Vis
    5–30 m
    Current
    Mild
    Level
    OW
  19. Lembeh Strait
    Indonesia · North Sulawesi
    Good in September
    Water
    25–29°C
    Vis
    5–20 m
    Current
    Mild
    Level
    OW
  20. Malapascua
    Philippines · Cebu, Visayas
    Good in September
    Water
    24–30°C
    Vis
    10–25 m
    Current
    Moderate
    Level
    AOW+
  21. Maldives
    Maldives · Indian Ocean
    Good in September
    Water
    27–30°C
    Vis
    15–30 m
    Current
    Moderate
    Level
    AOW+
  22. Moalboal
    Philippines · Cebu
    Good in September
    Water
    26–30°C
    Vis
    15–30 m
    Current
    Mild
    Level
    OW
  23. Palau
    Palau · Western Pacific
    Good in September
    Water
    27–30°C
    Vis
    20–40 m
    Current
    Strong
    Level
    AOW+
  24. Raja Ampat
    Indonesia · West Papua
    Good in September
    Water
    27–30°C
    Vis
    10–30 m
    Current
    Moderate
    Level
    AOW+
  25. Roatán and the Bay Islands
    Honduras · Western Caribbean
    Good in September
    Water
    26–30°C
    Vis
    10–30 m
    Current
    Mild
    Level
    OW
Better another month
  1. Belize Barrier Reef
    Belize · Western Caribbean
    Water
    25–29°C
    Vis
    15–30 m
    Current
    Moderate
    Level
    AOW+
  2. Cozumel
    Mexico · Caribbean
    Water
    25–29°C
    Vis
    15–40 m
    Current
    Moderate
    Level
    AOW+
  3. Similan Islands
    Thailand · Andaman Sea
    Water
    27–30°C
    Vis
    15–30 m
    Current
    Moderate
    Level
    OW
  4. Socorro Islands
    Mexico · Revillagigedo, Pacific
    Water
    21–28°C
    Vis
    15–30 m
    Current
    Strong
    Level
    AOW+
  5. Tubbataha Reefs
    Philippines · Sulu Sea
    Water
    27–29°C
    Vis
    20–40 m
    Current
    Moderate
    Level
    AOW+