scuba diving in Japan in September

Where To Go Scuba Diving In Japan In September? | Amazing Scuba Diving Spots In Japan To Go In September

Jun 05, 2024Shopify API

Wondering where to go scuba diving in Japan in September? We curated a list of amazing scuba diving spots in Japan in September. Check it out!

Japan is a captivating country that offers a plethora of natural wonders, both on land and beneath the surface of its surrounding seas. 

With its vibrant marine life, diverse ecosystems, and unique underwater landscapes, Japan is an ideal destination for scuba diving enthusiasts. 

September is an excellent time to embark on a scuba diving adventure in Japan, as the weather conditions are generally favorable, visibility is typically good, and marine life is abundant. 

In this article, we will guide you through some of the best scuba diving destinations in Japan during the month of September.

Scuba Diving In Japan In September


Okinawa, located in the southernmost part of Japan, is renowned for its stunning coral reefs, crystal-clear waters, and diverse marine life. 

In September, the weather in Okinawa is typically warm, with water temperatures ranging from 26°C to 30°C (79°F to 86°F), making it an excellent time for scuba diving.

One of the most popular diving destinations in Okinawa is the Kerama Islands, a group of around 20 small islands located about 40 kilometers west of Okinawa's main island. 

The Kerama Islands are known for their vibrant coral gardens, which are home to an incredible array of marine species. 

Diving in the Kerama Islands allows you to encounter majestic manta rays, sea turtles, colorful reef fish, and even the elusive whale shark if you're lucky.

The visibility in September is generally excellent, ranging from 20 to 30 meters (65 to 98 feet), allowing for breathtaking underwater views.

Another must-visit destination for scuba diving in Okinawa is Miyako Island, located in the southwestern part of the Okinawa Prefecture. 

Miyako Island boasts an underwater landscape characterized by towering coral formations, steep drop-offs, and an abundance of marine life. 

Divers can explore unique dive sites such as the Yabiji Coral Garden, where large schools of colorful fish, including butterflyfish and angelfish, can be observed. 

The waters around Miyako Island are also frequented by sea turtles, and encounters with these gentle creatures are a common highlight of diving in the area.

Ishigaki Island, part of the Yaeyama Islands in Okinawa, is another popular scuba diving destination. 

The island offers diverse dive sites, including the famous Manta Scramble, where you can witness the graceful dance of manta rays gliding through the water.

Ishigaki Island also boasts healthy coral reefs, vibrant marine ecosystems, and unique underwater rock formations.

Divers may encounter reef sharks, barracudas, and various species of tropical fish during their explorations.

In addition to these specific locations, Okinawa's main island itself offers numerous dive sites suitable for all levels of divers.

From tranquil bays with shallow reefs for beginners to more advanced dives with stronger currents and deeper waters, there is something for everyone. 

Some notable dive sites on Okinawa Island include Maeda Point, Sunabe Seawall, and Blue Cave, where you can experience the enchantment of diving through underwater tunnels and caves.

In conclusion, Okinawa is a scuba diver's paradise, offering a variety of dive sites catering to different preferences and skill levels. 

With its warm waters, remarkable visibility, and abundance of marine life, Okinawa in September provides an unforgettable diving experience that will leave you mesmerized by the beauty of Japan's underwater world.

Izu Peninsula

The Izu Peninsula, located just a few hours away from Tokyo, is a picturesque region known for its stunning coastlines, volcanic landscapes, and exceptional scuba diving opportunities. 

September is an ideal time to explore the underwater wonders of the Izu Peninsula, as the water temperatures range from 23°C to 27°C (73°F to 81°F), providing comfortable conditions for divers.

One of the most popular diving destinations in the Izu Peninsula is Hatsushima Island, situated in Sagami Bay. This small island offers a range of dive sites suitable for both beginners and experienced divers.

The surrounding waters of Hatsushima Island are teeming with marine life, including colorful tropical fish, octopuses, and nudibranchs.

Diving here allows you to explore vibrant coral reefs and encounter fascinating macro life, making it a delight for underwater photography enthusiasts.

Toi Beach, located on the eastern coast of the Izu Peninsula, is another remarkable diving spot.

Known for its rocky shore and underwater volcanic formations, Toi Beach offers a unique diving experience. 

Divers can explore underwater caves and tunnels formed by volcanic activity, which provide shelter for various marine species.

Keep an eye out for seahorses, moray eels, and other fascinating creatures that call this area home.

Sagami Bay itself offers a multitude of dive sites with diverse topography and marine life.

The bay is known for its clear waters and underwater visibility, which can reach up to 30 meters (98 feet) on a good day.

Divers can expect encounters with schools of fish, including snappers, pufferfish, and butterflyfish, as well as the occasional sea turtle. 

The vibrant coral reefs found in Sagami Bay are a sight to behold, providing an excellent backdrop for your underwater adventures.

Apart from the dive sites mentioned above, the Izu Peninsula offers many other locations worth exploring.

Whether you prefer shore dives or boat dives, you will find a variety of options to suit your preferences and skill level.

From dramatic drop-offs to underwater pinnacles, the underwater topography of the Izu Peninsula is diverse and captivating.

Moreover, the proximity of the Izu Peninsula to Tokyo makes it an accessible and convenient destination for both domestic and international divers. 

With a combination of natural beauty, underwater biodiversity, and easy accessibility, the Izu Peninsula offers a fantastic scuba diving experience that shouldn't be missed.

In conclusion, the Izu Peninsula presents scuba diving enthusiasts with a unique opportunity to explore Japan's underwater treasures. 

In September, when the water conditions are comfortable and visibility is excellent, divers can immerse themselves in the remarkable marine ecosystems of Hatsushima Island, Toi Beach, Sagami Bay, and other breathtaking dive sites. 

The Izu Peninsula promises an unforgettable journey into the depths, where you can witness the wonders of Japan's underwater world.

Ogasawara Islands

Located about 1,000 kilometers south of Tokyo, the Ogasawara Islands, also known as the Bonin Islands, are a remote and pristine archipelago that offers a truly unique scuba diving experience. 

In September, the weather is generally favorable, with warm waters ranging from 25°C to 28°C (77°F to 82°F), making it an excellent time to explore the underwater wonders of this UNESCO World Heritage site.

The Ogasawara Islands are renowned for their rich and diverse marine ecosystems, as well as their unique geological formations.

Diving in this region allows you to witness an underwater world that is relatively untouched by human activity. 

The islands are home to over 400 species of fish, including colorful reef fish, pelagic species, and even elusive deep-sea creatures.

One of the highlights of scuba diving in the Ogasawara Islands is the opportunity to encounter dolphins and sea turtles.

The islands are known for their resident dolphin population, and it's not uncommon to come across pods of dolphins swimming and playing alongside divers. 

Swimming with these intelligent and graceful creatures is an extraordinary experience that will leave a lasting impression.

The coral reefs surrounding the Ogasawara Islands are vibrant and healthy, providing a stunning backdrop for underwater exploration. 

The reefs are home to a wide variety of coral species, including hard and soft corals, which support a thriving ecosystem of marine life.

Divers can expect to see schools of colorful tropical fish, reef sharks, rays, and even the occasional humpback whale during their dives.

Chichijima and Hahajima, the main islands of the Ogasawara archipelago, offer some of the best dive sites in the region. 

The reefs around these islands are known for their exceptional visibility, often exceeding 30 meters (98 feet), allowing for incredible views of the underwater world.

Sites such as Tako Bay, Coral Garden, and Point Suzuki are popular among divers due to their abundant marine life and stunning coral formations.

It's worth noting that the Ogasawara Islands are relatively remote and require careful planning and logistics to reach.

The limited human impact on these islands has contributed to their pristine condition, but it also means that diving facilities and services may be more limited compared to other popular diving destinations in Japan. 

It is advisable to book your dive trips in advance and ensure you have all the necessary equipment and provisions.

In conclusion, diving in the Ogasawara Islands is a unique and awe-inspiring experience.

In September, you can expect warm waters, excellent visibility, and encounters with a diverse range of marine life, including dolphins, sea turtles, and vibrant coral reefs.

The remote and untouched nature of the Ogasawara Islands adds to the allure of diving in this remarkable destination, providing a sense of exploration and immersion in a pristine underwater paradise.


Shikoku, the smallest of Japan's four main islands, offers diverse scuba diving opportunities along its rugged coastline and picturesque shores. 

In September, the water conditions around Shikoku are generally favorable, with warm temperatures ranging from 24°C to 28°C (75°F to 82°F), making it an excellent time for underwater exploration.

One of the notable diving destinations in Shikoku is Kashiwajima, located in Kochi Prefecture.

Kashiwajima is known for its vibrant marine life and unique underwater rock formations.

Diving here allows you to discover captivating underwater landscapes, including walls adorned with colorful soft corals, sea fans, and anemones. 

The area is abundant with marine species such as angelfish, parrotfish, and moray eels. Kashiwajima offers both shore dives and boat dives, catering to divers of all levels of experience.

Naruto Strait, located between Shikoku and Awaji Island, is another fascinating diving spot in the region.

The strait is famous for its powerful tidal currents, which create a dynamic and challenging diving experience.

Experienced divers can enjoy drift dives through the Naruto whirlpools, witnessing the sheer force of the water as it surges through the strait.

While diving in Naruto Strait requires advanced skills and proper planning, it offers an exhilarating adventure for experienced divers.

Yura, situated on the southern coast of Shikoku, is a hidden gem for scuba diving enthusiasts.

Known for its clear waters and abundant marine biodiversity, Yura offers a range of dive sites suitable for both beginners and experienced divers.

Explore colorful reefs, encounter schools of fish, and keep an eye out for macro life such as nudibranchs and seahorses.

Yura's calm seas and relatively shallow depths make it an ideal location for novice divers to gain experience and enjoy the beauty of the underwater world.

Shikoku's diverse underwater topography is a key highlight for divers. Along with coral reefs, divers can explore underwater pinnacles, drop-offs, and rocky formations that provide habitat for a wide array of marine species. 

The mix of rocky coastline and sandy bottoms creates a diverse and dynamic underwater environment, ensuring that each dive in Shikoku offers something new and exciting.

While scuba diving in Shikoku, it's also worth taking the time to appreciate the island's natural beauty above the water. 

Shikoku is known for its picturesque landscapes, including stunning coastal cliffs, lush forests, and tranquil beaches. Divers can enjoy the serenity of the island and take part in other outdoor activities such as hiking, hot spring bathing, and exploring local cuisine.

In conclusion, Shikoku offers a unique and diverse scuba diving experience. In September, divers can take advantage of the warm waters, fascinating marine life, and captivating underwater landscapes. 

From the vibrant reefs of Kashiwajima to the dynamic currents of Naruto Strait and the hidden gems of Yura, Shikoku promises an enriching and adventurous diving journey.

Wrapping up

Japan offers a wealth of scuba diving opportunities for enthusiasts looking to explore its underwater wonders.

In September, the country's scuba diving destinations come to life, with favorable weather conditions and abundant marine life.

Whether you choose to dive in Okinawa's tropical waters, the captivating Izu Peninsula, the pristine Ogasawara Islands, or the rugged coastline of Shikoku, Japan promises an unforgettable scuba diving experience. 

Remember to dive responsibly, respect marine life, and adhere to local diving regulations to preserve the beauty of these underwater ecosystems for generations to come.

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