Normal weather for Nagasaki in September
It's warm in September in Nagasaki with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 30°C. At night, you can expect temperatures between 21°C and 24°C.
In September, there is an average of 223 mm of precipitation, spread over 21 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Nagasaki in September |
New York | ||
|---|---|---|---|
 Average Temperature |
29°C | 27°C | |
 High Temp |
30°C | 31°C | |
| Low Temp |
27°C | 21°C | |
 Total Precipitation |
223 mm | 57 mm | |
| Rainy Days |
21 days | 9 days | |
Start of September
The month of September starts in Nagasaki with hot temps, averaging around 30°C during the day and nights around 24°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid September
By mid-September, daytime temps drop to around 29°C, with nights around 23°C. There’s a high chance of precipitation during this time.
Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.
End of September
By the end of September, the average daytime temperature in Nagasaki is around 28°C, while nighttime temps are about 22°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Nagasaki?
Looking for sun? September isn’t a good month to be in Nagasaki. The temperature is nice, but there’s too much chance of rain.
The typhoon season in Nagasaki runs from June to November.
Temperature records for Nagasaki in September
Check out the climate of Nagasaki for all months and discover the best travel time
Curious about the weather in other parts of Japan? Check out the climate and weather for spots like Tokyo, Kyōto, Osaka, or explore other destinations in Japan.
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Daily Temperature in September in Nagasaki
This chart shows the average daily high and low temperatures in September for Nagasaki, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Nagasaki
The chart below shows the average daily precipitation in September for Nagasaki, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 21 days of precipitation in Nagasaki.
Daily UV Index in September in Nagasaki
This chart shows the average daily UV index in September in Nagasaki, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Nagasaki Over the Years
This chart shows the average temperature in September in Nagasaki, measured in degrees Celsius, over the past few years.
Total Precipitation in September in Nagasaki Over the Years
This chart shows the average precipitation in September in Nagasaki, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in September for Nagasaki
Click on any day in September to get detailed info about the usual weather on that day in Nagasaki. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Nagasaki
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Average Weather in Nagasaki by Month
Click on a month below to see detailed weather info for Nagasaki. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
