Things to do in Nagasaki in September

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Overview

September is a good time to visit Nagasaki. The weather is usually very warm with a gentle breeze, with temperatures ranging from 72—81°F (22—27°C). There are plenty of events to check out and activities to try in Nagasaki during this time. Some of our top recommendations: visit the Nagasaki Peace Park and Atomic Bomb Museum, explore Dejima Island and its historical exhibits, take a day trip to the Shimabara Peninsula, and more!

Nagasaki has plenty to offer for visitors of all ages and interests. In this article, we tell you the top things to see and do for your September trip to Nagasaki. Get inspired by the events, activities, attractions, and experiences unique to September. We’ll let you know where to explore events based on your interests, whether that’s food, culture, art, music, sport or others.

We’ll let you know everything you need to prepare for the weather in Nagasaki in September. Learn about what to wear and pack for your trip, the average temperatures throughout September, temperature changes from morning to evening and much more.

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Best events and things to do in Nagasaki in September

Top experiences in September
Visit the Nagasaki Peace Park and Atomic Bomb Museum
September is a meaningful time to visit these important historical sites, as it marks the anniversary of the atomic bombing of Nagasaki. The Peace Park and museum offer a somber yet educational experience, providing insight into the devastating impact of nuclear warfare and the city's journey towards peace and reconciliation. It's a powerful and thought-provoking visit that is especially poignant in September.
Explore Dejima Island and its historical exhibits
September is a great time to visit Dejima Island, a historic trading post that played a significant role in Nagasaki's international relations during the Edo period. The island features well-preserved historical buildings and exhibits that offer a glimpse into Nagasaki's past as a gateway to the world. It's a fascinating and educational experience that provides insight into the city's global connections.
Take a day trip to the Shimabara Peninsula
September is an ideal time to explore the scenic Shimabara Peninsula, with its picturesque coastline, hot springs, and historic sites. The peninsula offers a variety of outdoor activities, including hiking, beachcombing, and visiting the Shimabara Castle. It's a relaxing and enjoyable day trip that allows you to experience the natural beauty and cultural heritage of Nagasaki Prefecture.
Sample Nagasaki's famous champon and sara udon dishes
September is a great time to indulge in Nagasaki's delicious local cuisine, particularly its renowned champon and sara udon dishes. These hearty and flavorful noodle dishes are a must-try for food enthusiasts, and many restaurants in Nagasaki offer seasonal variations and special menus during September. It's a tasty and satisfying way to experience the city's culinary delights.
Take a boat tour to Gunkanjima Island
Also known as Battleship Island, this abandoned island is a hauntingly beautiful and historically significant site. In September, the weather is perfect for a boat tour to explore the island's eerie ruins and learn about its dark past as a coal mining facility. It's a fascinating and unforgettable experience that offers a glimpse into Nagasaki's industrial history.
Hike Mount Inasa for the autumn foliage
September is the perfect time to hike Mount Inasa and enjoy the stunning autumn foliage. The panoramic views from the summit are breathtaking, especially during the fall season when the surrounding mountains and cityscape are ablaze with vibrant colors. It's a great way to experience the natural beauty of Nagasaki and take in the changing seasons.
Attend a traditional tea ceremony in a Japanese garden
September is a lovely time to experience a traditional Japanese tea ceremony in one of Nagasaki's beautiful gardens. The serene and tranquil setting, combined with the rituals of the tea ceremony, create a peaceful and meditative atmosphere. It's a wonderful way to immerse yourself in Japanese culture and enjoy the natural beauty of Nagasaki.
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Holidays in Nagasaki in September
September
  • Respect for the Aged Day (September 16)
  • Autumn Equinox (September 2223)
Other notable holidays
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Weather in Nagasaki in September

Temperatures on an average day in Nagasaki in September

The average temperature in Nagasaki in September for a typical day ranges from a high of 81°F (27°C) to a low of 72°F (22°C). Some would describe it as very warm with a gentle breeze.

For comparison, the hottest month in Nagasaki, August, has days with highs of 87°F (31°C) and lows of 78°F (26°C). The coldest month, January has days with highs of 51°F (10°C) and lows of 42°F (6°C). This graph shows how an average day looks like in Nagasaki in September based on historical data.

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Historical temperature average in September
81°F
highs
72°F
lows

General weather summary

Very warm with a gentle breeze
Feels like
39%
Chance of rain
0.262 in
Amount
11.7 mph
Wind speed
78%
Humidity
12.4 hrs
Daylight length
6:02 AM
Sunrise
6:27 PM
Sunset
48%
Cloud cover
Sleeveless shirt
What to wear
What to wear in September
With an average high of 81°F (27°C) and a low of 72°F (22°C), it generally feels very warm with a gentle breeze. There might also be a small chance of rain. With that in mind, most people would dress in something very light like a sleeveless shirt
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Best attractions for Nagasaki in September

Besides the array of exciting events and activities Nagasaki has to offer for travelers in September, we want to remind you of the classic attractions in Nagasaki that are great to visit at this time of the year as well! You can’t miss these iconic landmarks, local favorites, and places rich with cultural heritage. We hope to give you insights and inspiration into the best things to see and do to make the most of your visit. Here is a list of our top attractions in Nagasaki for September.
Glover Garden
1. Glover Garden
4.1
(10456)
Historical landmark
Nature & Parks
Serene open-air museum with landscaped gardens, Western-style historic mansions & sweeping views.
Nagasaki Atomic Bomb Museum
2. Nagasaki Atomic Bomb Museum
4.5
(8374)
War museum
Museums
Museum with photos, clippings & artifacts documenting the atomic bombing of Nagasaki in 1945.
Inasa-yama Park
3. Inasa-yama Park
4.3
(2523)
Park
Nature & Parks
Accessed by cablecar or bus, this spot on Mt. Inasa offers a park with city views & a playground.
Peace Park Nagasaki
4. Peace Park Nagasaki
4.3
(7743)
Memorial park
Nature & Parks
Regal, serene park built in 1955 to honor those who died in the atomic bombing & to promote peace.
Hashima Island
5. Hashima Island
4.2
(1304)
Island
Nature & Parks
Abandoned 16-acre island & UNESCO World Heritage Site known for its industrial ruins & its seawall.
Megane Bridge
6. Megane Bridge
4.1
(8663)
Bridge
Sights & Landmarks
Circa-1634 pedestrian walkway spanning the Nakashima River is the oldest stone arch bridge in Japan.
Dejima Front Gate
7. Dejima Front Gate
4.0
(41)
Historical landmark
Museums
Ōura Cathedral
8. Ōura Cathedral
3.9
(1301)
Catholic church
Sights & Landmarks
Stately, Western-style Catholic church built in 1865 & featuring stained glass & sculptures.
Nagasaki Electric Tramway Museum
9. Nagasaki Electric Tramway Museum
3.8
(134)
Rail museum
Transportation
Nagasaki Shinchi Chinatown
10. Nagasaki Shinchi Chinatown
3.7
(7602)
Business park
Store
Home to a yearly lantern festival, the country's oldest Chinatown is lined with restaurants & shops.
Hypocenter Park
11. Hypocenter Park
4.4
(810)
Memorial park
Sights & Landmarks
Glover Garden
12. Glover Garden
4.1
(10514)
Historical landmark
Sights & Landmarks
Serene open-air museum with landscaped gardens, Western-style historic mansions & sweeping views.
Urakami Cathedral
13. Urakami Cathedral
4.3
(1471)
Catholic church
Sights & Landmarks
This large Catholic church was rebuilt in 1959 after being destroyed by an atomic bomb in WWII.
Dutch Slope
14. Dutch Slope
3.7
(1462)
Historical landmark
Sights & Landmarks
Picturesque sloping street with historic Dutch-style houses formerly occupied by foreign settlers.
Mt. Inasayama Observatory
15. Mt. Inasayama Observatory
4.5
(10005)
Observation deck
Sights & Landmarks
A cablecar travels to the top of this hill featuring an observation deck for dramatic city views.
Nagasaki National Peace Memorial Hall for the Atomic Bomb Victims
16. Nagasaki National Peace Memorial Hall for the Atomic Bomb Victims
4.5
(528)
War museum
Museums
Opened in 2002, this monument is dedicated to world peace & to the victims of the atomic bomb.

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