14.09
mon
mon
Day
84°F
SW 2 mph
Precip.
57%
57%
Night
77°F
NW 4 mph
Precip.
45%
45%
15.09
tue
tue
Day
82°F
NW 6 mph
Precip.
61%
61%
Night
77°F
W 6 mph
Precip.
28%
28%
16.09
wed
wed
Day
82°F
W 9 mph
Precip.
6%
6%
Night
77°F
W 7 mph
Precip.
28%
28%
17.09
thu
thu
Day
82°F
W 8 mph
Precip.
7%
7%
Night
75°F
W 6 mph
Precip.
24%
24%
18.09
fri
fri
Day
84°F
W 10 mph
Precip.
8%
8%
Night
77°F
W 4 mph
Precip.
12%
12%
19.09
sat
sat
Day
84°F
NW 7 mph
Precip.
21%
21%
Night
77°F
NW 3 mph
Precip.
13%
13%
20.09
sun
sun
Day
84°F
NW 5 mph
Precip.
12%
12%
Night
77°F
N 2 mph
Precip.
16%
16%
sea water
temperature
temperature
| Hong Kong |
monthly
weather
weather
| Hong Kong |
current
weather
weather
| Hong Kong |
14 days
forecast
forecast
| Hong Kong |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 86.0°F and 82.0°F.
Air temperature in Hong Kong, °F
Precipitation total in Hong Kong, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hong Kong
Hong Kong on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hong Kong
Local time: 22:41
September 15, tuesday
0000
77°F
NW
4 mph
4 mph
0300
77°F
W
2 mph
2 mph
0600
77°F
W
3 mph
3 mph
0900
81°F
NW
2 mph
2 mph
1200
82°F
NW
6 mph
6 mph
1500
82°F
NW
8 mph
8 mph
1800
79°F
NW
6 mph
6 mph
2100
77°F
W
6 mph
6 mph
