ダイビングの時期
でダイビング 9月
水質・透明度・各スポットの実際の状況を記録した月別レーティング順に表示（対象月： 9月. 月別データが確認されていない目的地は、推測せずに別途リスト化しています。
| 目的地 | レーティング | 水 | 透明度 | 内容 9月 と同様の条件です |
|---|---|---|---|---|
| Cairns & the Ribbon ReefsAustralia | 5/5 | 23–26 °C / 73–79 °F | 20–35 m | Winds ease; some of the best visibility of the year |
| Sharm El Sheikh & Ras MohammedEgypt | 5/5 | 27–29 °C / 81–84 °F | 20–30 m | Warm sea and thinner crowds - a superb balance. |
| KomodoIndonesia | 5/5 | 21–28 °C / 70–82 °F | 15–30 m | Superb diving continues with slightly thinner crowds. |
| BonaireBonaire | 5/5 | 28–30 °C / 82–86 °F | 20–30 m | Warmest, calmest water of the year. |
| Bali & Nusa PenidaIndonesia | 5/5 | 22–28 °C / 72–82 °F | 15–30 m | Often the best all-around month: dry, clear, and full of life. |
| Galápagos IslandsEcuador | 5/5 | 17–22 °C / 63–72 °F | 10–20 m | |
| Kona, HawaiʻiUnited States | 5/5 | 26–28 °C / 79–82 °F | 25–40 m | Often the year's best conditions. |
| DahabEgypt | 5/5 | 27–29 °C / 81–84 °F | 15–30 m | Warm sea, thinning crowds - a local favorite. |
| Lembeh StraitIndonesia | 5/5 | 25–28 °C / 77–82 °F | 10–20 m | Cool, rich water and heavy juvenile activity. |
| Sea of Cortez & Cabo PulmoMexico | 5/5 | 28–30 °C / 82–86 °F | 20–30 m | Prime conditions; watch tropical storm forecasts. |
| Marsa Alam & the Deep SouthEgypt | 5/5 | 28–30 °C / 82–86 °F | 20–30 m | Warm sea and long settled spells. |
| Taveuni & Rainbow ReefFiji | 5/5 | 25–27 °C / 77–81 °F | 20–40 m | Excellent conditions, fewer crowds. |
| Baa Atoll & Hanifaru BayMaldives | 5/5 | 27–29 °C / 81–84 °F | 10–20 m | Peak continues; whale sharks join some events. |
| Hurghada & El GounaEgypt | 5/5 | 27–29 °C / 81–84 °F | 15–30 m | Warm sea and settling weather. |
| Brothers, Daedalus & St John'sEgypt | 5/5 | 28–30 °C / 82–86 °F | 20–40 m | Transition month - a bit of everything. |
| The AzoresPortugal | 5/5 | 22–24 °C / 72–75 °F | 20–40 m | Warmest water; blue sharks and mobulas both reliable. |
| Malta & GozoMalta | 5/5 | 23–26 °C / 73–79 °F | 25–40 m | |
| Cocos IslandCosta Rica | 5/5 | 24–28 °C / 75–82 °F | 12–25 m | Peak season for big animals and whale shark chances. |
| Aliwal Shoal & UmkomaasSouth Africa | 5/5 | 19–23 °C / 66–73 °F | 10–25 m | Raggies still thick; humpbacks passing offshore. |
| AqabaJordan | 5/5 | 26–28 °C / 79–82 °F | 15–30 m | Warm sea and cooling evenings. |
| Coral Sea & Osprey ReefAustralia | 5/5 | 24–26 °C / 75–79 °F | 30–60 m | Winds drop; prime expedition month |
| Townsville & the YongalaAustralia | 5/5 | 23–25 °C / 73–77 °F | 15–30 m | The best visibility window begins |
| Daymaniyat IslandsOman | 5/5 | 28–31 °C / 82–88 °F | 10–25 m | Whale shark season opens; warm and lively. |
| Zanzibar & MnembaTanzania | 5/5 | 25–27 °C / 77–81 °F | 15–30 m | Excellent diving with lighter crowds. |
| OʻahuUnited States | 5/5 | 26–28 °C / 79–82 °F | 18–35 m | Often the calmest stretch. |
| Fernando de NoronhaBrazil | 5/5 | 26–28 °C / 79–82 °F | 25–40 m | |
| California Channel IslandsUnited States | 5/5 | 17–21 °C / 63–70 °F | 15–25 m | The classic month - warm, clear, calm. |
| WakatobiIndonesia | 5/5 | 26–29 °C / 79–84 °F | 20–40 m | Consistently superb; light winds. |
| Maui & MolokiniUnited States | 5/5 | 26–28 °C / 79–82 °F | 30–45 m | Often the calmest month. |
| Bunaken & ManadoIndonesia | 5/5 | 26–29 °C / 79–84 °F | 20–35 m | Superb diving continues with fewer visitors. |
| CuraçaoCuraçao | 5/5 | 28–30 °C / 82–86 °F | 18–30 m | |
| Scapa FlowUnited Kingdom | 5/5 | 12–14 °C / 54–57 °F | 6–12 m | Warmest water of the year and settled spells; a favorite month. |
| Larnaca & the ZenobiaCyprus | 5/5 | 25–27 °C / 77–81 °F | 20–35 m | |
| Costa Rica Pacific CoastCosta Rica | 5/5 | 26–29 °C / 79–84 °F | 12–20 m | |
| VavaʻuTonga | 5/5 | 23–25 °C / 73–77 °F | 20–40 m | Peak continues; calves growing bold. |
| Espiritu SantoVanuatu | 5/5 | 24–26 °C / 75–79 °F | 15–30 m | Reliable trade-wind weather. |
| Beqa Lagoon & Pacific HarbourFiji | 5/5 | 25–27 °C / 77–81 °F | 12–28 m | Late dry season, reliable feeds. |
| Canary IslandsSpain | 5/5 | 23–25 °C / 73–77 °F | 20–30 m | Warmest water and typically the best visibility. |
| Nosy BeMadagascar | 5/5 | 25–28 °C / 77–82 °F | 12–25 m | Humpbacks linger; first whale sharks. |
| MadeiraPortugal | 5/5 | 23–25 °C / 73–77 °F | 15–30 m | Warmest sea of the year. |
| AlorIndonesia | 5/5 | 21–27 °C / 70–81 °F | 15–30 m | A favorite month: seas calm while the water stays rich. |
| Medes IslandsSpain | 5/5 | 21–24 °C / 70–75 °F | 12–30 m | Barracuda schools at their densest. |
| Izu PeninsulaJapan | 5/5 | 23–26 °C / 73–79 °F | 8–18 m | Autumn calm; peak conditions |
| Riviera Maya & the CenotesMexico | 4/5 | 24–26 °C / 75–79 °F | 25–80 m | Rainy season can tint open cenotes. |
| Sipadan & MabulMalaysia | 4/5 | 27–30 °C / 81–86 °F | 15–30 m | Still strong as the calm season winds down. |
| Koh TaoThailand | 4/5 | 28–30 °C / 82–86 °F | 10–25 m | Often underrated; whale sharks reappear. |
| Silfra & IcelandIceland | 4/5 | 2–4 °C / 36–39 °F | 70–100 m | |
| FakaravaFrench Polynesia | 4/5 | 25–27 °C / 77–81 °F | 25–40 m | Reliable trades. |
| Florida KeysUnited States | 4/5 | 28–30 °C / 82–86 °F | 15–30 m | Peak hurricane risk - build flexibility into plans. |
| RangiroaFrench Polynesia | 4/5 | 25–27 °C / 77–81 °F | 25–40 m | Winds easing. |
| Ningaloo ReefAustralia | 4/5 | 21–23 °C / 70–73 °F | 10–20 m | Whales stream south in cool clear water |
| UtilaHonduras | 4/5 | 28–30 °C / 82–86 °F | 15–30 m | Sightings continue; watch the tropics. |
| British ColumbiaCanada | 4/5 | 11–15 °C / 52–59 °F | 8–18 m | |
| Mafia IslandTanzania | 4/5 | 25–27 °C / 77–81 °F | 15–25 m | Winds ease; conditions improve. |
| Sodwana BaySouth Africa | 4/5 | 21–24 °C / 70–75 °F | 10–25 m | Spring; whales southbound with calves. |
| MauritiusMauritius | 4/5 | 23–26 °C / 73–79 °F | 10–25 m | Trades ease; whales still passing. |
| Banda Sea & AmbonIndonesia | 4/5 | 26–29 °C / 79–84 °F | 20–40 m | Main season opens; hammerhead encounters pick up. |
| Tofo BeachMozambique | 4/5 | 23–26 °C / 73–79 °F | 10–25 m | Mothers and calves close inshore. |
| North Carolina Outer BanksUnited States | 4/5 | 24–27 °C / 75–81 °F | 15–30 m | Prime diving between tropical systems - stay flexible. |
| BermudaBermuda | 4/5 | 26–28 °C / 79–82 °F | 20–40 m | Warm water but hurricane-swell watch. |
| Green IslandTaiwan | 4/5 | 27–29 °C / 81–84 °F | 20–40 m | Fine diving between weather systems |
| CoibaPanama | 4/5 | 25–29 °C / 77–84 °F | 8–18 m | Whale song on most dives; rain squalls between boats. |
| North & South Malé AtollsMaldives | 3/5 | 27–29 °C / 81–84 °F | 10–20 m | Wet spells persist; mantas still working the east side. |
| PalauPalau | 3/5 | 27–30 °C / 81–86 °F | 12–30 m | Late monsoon; unsettled spells between good windows. |
| CozumelMexico | 3/5 | 28–30 °C / 82–86 °F | 15–35 m | Peak hurricane risk; quietest season. |
| Raja AmpatIndonesia | 3/5 | 26–29 °C / 79–84 °F | 10–20 m | Trades ease late in the month; operators begin returning. |
| AnilaoPhilippines | 3/5 | 27–29 °C / 81–84 °F | 8–20 m | Late monsoon; conditions begin to steady. |
| Isla Mujeres & CancúnMexico | 3/5 | 28–30 °C / 82–86 °F | 10–25 m | Sharks disperse; storm risk peaks. |
| Chuuk (Truk) LagoonFederated States of Micronesia | 3/5 | 28–30 °C / 82–86 °F | 10–25 m | Unsettled spells continue. |
| RoatánHonduras | 3/5 | 28–30 °C / 82–86 °F | 15–30 m | Storm season peaks regionally. |
| Ari AtollMaldives | 3/5 | 27–29 °C / 81–84 °F | 10–20 m | Wettest stretch of the monsoon. |
| Belize Barrier ReefBelize | 3/5 | 28–30 °C / 82–86 °F | 10–25 m | Peak storm season; unsettled. |
| MalapascuaPhilippines | 3/5 | 28–30 °C / 82–86 °F | 10–20 m | Rainy but rarely unworkable. |
| Grand CaymanCayman Islands | 3/5 | 29–30 °C / 84–86 °F | 15–30 m | Peak hurricane risk; quiet island. |
| CoronPhilippines | 3/5 | 28–30 °C / 82–86 °F | 5–12 m | Late monsoon; watch typhoon tracks. |
| Poor Knights IslandsNew Zealand | 3/5 | 14–16 °C / 57–61 °F | 8–20 m | Spring bloom starts to haze the water |
| MoalboalPhilippines | 3/5 | 28–30 °C / 82–86 °F | 8–20 m | Late-monsoon pattern; runoff can dim the shallows. |
| Dumaguete, Dauin & Apo IslandPhilippines | 3/5 | 27–29 °C / 81–84 °F | 10–20 m | Late wet season; visibility varies with runoff. |
| Nassau & New ProvidenceThe Bahamas | 3/5 | 28–30 °C / 82–86 °F | 15–30 m | Peak hurricane season; watch forecasts. |
| GrenadaGrenada | 3/5 | 28–30 °C / 82–86 °F | 12–25 m | Peak of the Atlantic storm season. |
| Little CaymanCayman Islands | 3/5 | 29–30 °C / 84–86 °F | 15–30 m | Peak storm risk; some resorts close. |
| YapFederated States of Micronesia | 3/5 | 28–30 °C / 82–86 °F | 8–25 m | Wetter; storm fringe possible. |
| SeychellesSeychelles | 3/5 | 25–28 °C / 77–82 °F | 10–20 m | Winds begin to ease late month. |
| Okinawa & the Kerama IslandsJapan | 3/5 | 27–29 °C / 81–84 °F | 15–35 m | Swell from passing storms |
| South AustraliaAustralia | 3/5 | 13–15 °C / 55–59 °F | 4–12 m | Spring wind and plankton |
| Port Sudan & SanganebSudan | 3/5 | 29–31 °C / 84–88 °F | 15–40 m | Mantas peak as the heat eases slightly. |
| Arctic NorwayNorway | 3/5 | 9–12 °C / 48–54 °F | 8–20 m | |
| Musandam PeninsulaOman | 3/5 | 29–32 °C / 84–90 °F | 8–18 m | Big-animal season continues; visibility modest. |
| YonaguniJapan | 3/5 | 27–29 °C / 81–84 °F | 20–40 m | Typhoon swell risk |
| Tiger Beach & Grand BahamaThe Bahamas | 2/5 | 28–30 °C / 82–86 °F | 15–30 m | Statistical peak of hurricane season. |
| British Virgin IslandsBritish Virgin Islands | 2/5 | 28–30 °C / 82–86 °F | 15–25 m | Peak hurricane season; many boats haul out. |
| DominicaDominica | 2/5 | 28–30 °C / 82–86 °F | 10–25 m | Peak storm season; heavy rain can cloud the shallows. |
| Jardines de la ReinaCuba | 2/5 | 29–31 °C / 84–88 °F | 15–30 m | Peak hurricane months; few departures. |
| Saint LuciaSaint Lucia | 2/5 | 28–30 °C / 82–86 °F | 10–25 m | Peak hurricane season; rain can cloud nearshore water. |
| Turks and CaicosTurks and Caicos Islands | 2/5 | 28–30 °C / 82–86 °F | 15–30 m | Peak hurricane risk; some operations pause. |
| Similan Islands & Richelieu RockThailand | 1/5 | — | — | Monsoon closure; no access. |
| Tubbataha ReefsPhilippines | 1/5 | — | — | Closed to dive traffic through the wet season. |
| The Sardine Run (Wild Coast)South Africa | 1/5 | 18–22 °C / 64–72 °F | 5–15 m | No run; humpbacks still migrating. |
| Mergui ArchipelagoMyanmar | 1/5 | — | — | No access; seas remain rough. |
生物カレンダー
入水まで 9月
Blue Shark
例： The Azores
Bottlenose Dolphin
例： The Azores
Bull Shark
例： Costa Rica Pacific Coast
California Sea Lion
例： Sea of Cortez & Cabo Pulmo
Atlantic Goliath Grouper
例： Florida Keys
Humpback Whale
例： Ningaloo Reef
Mobula (Devil) Ray
例： The Azores
Mola Mola (Ocean Sunfish)
例： Bali & Nusa Penida
Olive Ridley Turtle
例： Costa Rica Pacific Coast
Reef Manta Ray
例： Baa Atoll & Hanifaru Bay
Sand Tiger (Ragged-Tooth) Shark
例： Aliwal Shoal & Umkomaas
Scalloped Hammerhead
例： Cocos Island