15.09
tue
tue
Day
81°F
E 7 mph
Precip.
19%
19%
Night
75°F
S 9 mph
Precip.
11%
11%
16.09
wed
wed
Day
81°F
SE 2 mph
Precip.
4%
4%
Night
75°F
SW 7 mph
Precip.
23%
23%
17.09
thu
thu
Day
82°F
E 2 mph
Precip.
12%
12%
Night
77°F
W 6 mph
Precip.
31%
31%
18.09
fri
fri
Day
82°F
E 5 mph
Precip.
10%
10%
Night
75°F
SW 7 mph
Precip.
43%
43%
19.09
sat
sat
Day
81°F
SE 6 mph
Precip.
19%
19%
Night
73°F
S 11 mph
Precip.
9%
9%
20.09
sun
sun
Day
82°F
SW 12 mph
Precip.
3%
3%
Night
77°F
S 15 mph
Precip.
22%
22%
21.09
mon
mon
Day
84°F
SW 18 mph
Precip.
4%
4%
Night
79°F
S 16 mph
Precip.
9%
9%
22.09
tue
tue
Day
79°F
S 22 mph
Precip.
17%
17%
Night
73°F
S 13 mph
Precip.
7%
7%
23.09
wed
wed
Day
81°F
SE 9 mph
Precip.
2%
2%
Night
72°F
SW 9 mph
Precip.
7%
7%
24.09
thu
thu
Day
81°F
SE 3 mph
Precip.
1%
1%
Night
73°F
W 5 mph
Precip.
6%
6%
25.09
fri
fri
Day
79°F
E 6 mph
Precip.
3%
3%
Night
73°F
SW 4 mph
Precip.
7%
7%
26.09
sat
sat
Day
79°F
E 8 mph
Precip.
4%
4%
Night
73°F
S 9 mph
Precip.
11%
11%
27.09
sun
sun
Day
82°F
SE 6 mph
Precip.
4%
4%
Night
73°F
S 13 mph
Precip.
18%
18%
28.09
mon
mon
Day
79°F
SW 19 mph
Precip.
2%
2%
Night
70°F
SW 24 mph
Precip.
3%
3%
sea water
temperature
temperature
| Nagasaki |
monthly
weather
weather
| Nagasaki |
current
weather
weather
| Nagasaki |
7 days
forecast
forecast
| Nagasaki |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.2°F. The highest and lowest sea temperatures during the month were 86.2°F and 81.1°F.
Air temperature in Nagasaki, °F
Precipitation total in Nagasaki, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 20:03
September 15, tuesday
2100
75°F
S
7 mph
7 mph
September 16, wednesday
0000
75°F
S
9 mph
9 mph
0300
73°F
SW
7 mph
7 mph
0600
75°F
SW
6 mph
6 mph
0900
75°F
SW
6 mph
6 mph
1200
81°F
SE
2 mph
2 mph
1500
81°F
E
7 mph
7 mph
1800
81°F
SW
2 mph
2 mph
