Nagasaki weather in September
Warm and pleasant, with regular rainfall. Average highs of 27°C and lows of 22°C, with around 15 rainy days expected throughout the month.
While September isn't our top-rated month for Nagasaki, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
27°C
Average low
22°C
Rainy days
15 days
Best months to visit
May, October
What to do in Nagasaki in September
Whatever the weather, Nagasaki rewards curious visitors. Here are some of the best ways to spend your time:
Visit ancient temples and shrines
Experience local cuisine and street food
Take train journeys through landscape
Explore gardens and natural spaces
Shop in local markets
Photograph seasons and architecture
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
10C
Cool, with occasional showers.
February
11C
Cool, with occasional showers.
March
15C
Cool, with some rainy days.
April
19C
Mild and comfortable, with some rainy days.
Recommended
May
23C
Mild and comfortable, with some rainy days.
June
25C
Warm and pleasant, with regular rainfall.
July
29C
Warm and pleasant, with regular rainfall.
August
30C
Hot and humid, with regular rainfall.
September (you are here)
27C
Warm and pleasant, with regular rainfall.
Recommended
October
23C
Mild and comfortable, with occasional showers.
November
18C
Mild and comfortable, with some rainy days.
December
12C
Cool, with some rainy days.
Book your September trip to Nagasaki
Find hotels, tours and experiences for the perfect escape.
