17.09
thu
thu
Day
82°F
NW 13 mph
Precip.
33%
33%
Night
81°F
NW 12 mph
Precip.
22%
22%
18.09
fri
fri
Day
82°F
W 14 mph
Precip.
19%
19%
Night
81°F
W 14 mph
Precip.
12%
12%
19.09
sat
sat
Day
84°F
W 9 mph
Precip.
5%
5%
Night
81°F
NW 11 mph
Precip.
10%
10%
20.09
sun
sun
Day
82°F
NW 6 mph
Precip.
6%
6%
Night
82°F
NW 10 mph
Precip.
25%
25%
21.09
mon
mon
Day
82°F
N 8 mph
Precip.
10%
10%
Night
81°F
NW 9 mph
Precip.
10%
10%
22.09
tue
tue
Day
82°F
N 7 mph
Precip.
11%
11%
Night
81°F
NW 11 mph
Precip.
23%
23%
23.09
wed
wed
Day
82°F
NW 8 mph
Precip.
9%
9%
Night
81°F
NW 14 mph
Precip.
31%
31%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.7°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 82.6°F. The highest and lowest sea temperatures during the month were 85.3°F and 79.0°F.
Air temperature in Beihai, °F
Precipitation total in Beihai, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Beihai
Beihai on a weather map
Places in China:
Name
°F
24 Hours Forecast
Beihai
Local time: 17:26
September 17, thursday
1800
82°F
NW
6 mph
6 mph
2100
82°F
NW
12 mph
12 mph
September 18, friday
0000
81°F
NW
12 mph
12 mph
0300
81°F
W
12 mph
12 mph
0600
79°F
W
13 mph
13 mph
0900
79°F
W
12 mph
12 mph
1200
82°F
W
14 mph
14 mph
1500
84°F
W
12 mph
12 mph
