Nagasaki in september: average Weather, Temperature and Climate
Weather in Nagasaki in september 2025
The weather in Nagasaki in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
76°F
Clear/Sunny
36% of time
26%
23%
13%
Weather at 12pm
81°F
Clear/Sunny
39% of time
27%
20%
11%
Weather at 6pm
79°F
Clear/Sunny
38% of time
27%
19%
16%
Weather at 3am
76°F
34%
28%
17%
14%
Evolution of daily average temperature and precipitation in Nagasaki in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Nagasaki in september.
The climate of Nagasaki in september is tolerable
The climate in september in Nagasaki is wet (with 12.3in of precipitation over 11 days). The weather is better from the previous month since in august it receives an average of 18.1in of precipitation over 15 days.
The climate quite comfortable in this city this month. The high seasonal norm is 83°F. On average, the recorded minimum temperature is 76°F. Thus, the mean temperature average on this month of september in Nagasaki is 79°F. Note that seasonal normals in contrast with those observed in Nagasaki in the month of september with a maximum record of 90°F in 2010 and a minimum record of 65°F in 2020. You can plan to have about 4 days with temperatures over 86°F, or 13 of the month.
On this month of september, day length in Nagasaki is generally 12:23. The sun rises at 06:04 and sets at 18:27.
With a good weather, this month is a good time to go in that area in Japan.
Nagasaki: another month?
If you can push back the dates of your trip, we advise you to go in october to Nagasaki. more information
September: another location in Japan?
If you want to go to Japan in september, there are destinations with better weather than Nagasaki:
In september, Tokyo, Fukuoka, Hiroshima, Kochi, Kyoto and Nagoya have good weather.
Seasonal average climate and temperature of Nagasaki in september
Check below seasonal norms These statistics are set from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 79°F | ||||
| Highest temperature | 83°F | ||||
| Lowest temperature | 76°F | ||||
| Highest record temperature | 90°F (2010) | ||||
| Lowest record temperature | 65°F (2020) | ||||
| Number of days at +86°F | 4 day(s) (13%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 81°F | ||||
| Lowest sea temperature | 78°F | ||||
| Highest sea temperature | 83°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 76°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 12.3in | ||||
| Number of days with rainfall | 11 day(s) (37%) | ||||
| Record daily rainfall | 7.4in (2021) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.21km | ||||
| Cloud cover | 37% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:04 | ||||
| Time of sunset | 18:27 | ||||
| Length of day | 12:23 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Nagasaki in september 2024:
72°F to 88°F
74°F to 86°F
76°F to 86°F
74°F to 86°F
76°F to 86°F
76°F to 90°F
76°F to 90°F
76°F to 92°F
76°F to 94°F
77°F to 92°F
79°F to 92°F
79°F to 92°F
77°F to 92°F
77°F to 92°F
79°F to 94°F
81°F to 94°F
79°F to 90°F
77°F to 92°F
77°F to 94°F
79°F to 88°F
79°F to 83°F
77°F to 83°F
70°F to 79°F
67°F to 85°F
74°F to 77°F
70°F to 86°F
74°F to 86°F
74°F to 88°F
72°F to 86°F
70°F to 85°F
Map: other cities in Japan in september
Cities near Nagasaki:
| Sasebo in september | good weather |
| Minamata in september | tolerable weather |
| Karatsu in september | good weather |
| Kumamoto in september | good weather |
| Goto islands in september | tolerable weather |
| Fukuoka in september | good weather |
| Takachiho Gorge in september | tolerable weather |
| Kagoshima (Kyushu) in september | tolerable weather |
| Kitakyushu in september | good weather |
| Miyakonojo in september | tolerable weather |
| Beppu/Ōita in september | good weather |
| Nobeoka in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Nagasaki
perfect weather
good
tolerable
bad
very bad
Weather data for Nagasaki in september:
Weather data for Nagasaki for september are derived from an average of the weather forecast since 2009 in Nagasaki. There is a margin of error and these forecasts are to be considered as general information only. The weather in Nagasaki can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Nagasaki.