Measurements:
°C
°F
Cat Ba Island
82°F
W 11 mph
Feels like: 90°F
Precip: 62%
World Resorts Vietnam Cat Ba Island Weather

14 Day Weather Forecast

09.16
wed
DAY
84°F
W 13 mph
precip
68%
NIGHT
82°F
W 9 mph
precip
62%
09.17
thu
DAY
84°F
SW 12 mph
precip
77%
NIGHT
82°F
NW 7 mph
precip
77%
09.18
fri
DAY
86°F
W 14 mph
precip
45%
NIGHT
84°F
W 15 mph
precip
22%
09.19
sat
DAY
88°F
W 18 mph
precip
51%
NIGHT
84°F
W 10 mph
precip
56%
09.20
sun
DAY
88°F
W 13 mph
precip
5%
NIGHT
84°F
W 4 mph
precip
15%
09.21
mon
DAY
88°F
W 6 mph
precip
5%
NIGHT
82°F
W 4 mph
precip
8%
09.22
tue
DAY
88°F
NW 5 mph
precip
5%
NIGHT
84°F
N 3 mph
precip
24%
09.23
wed
DAY
90°F
N 4 mph
precip
17%
NIGHT
84°F
NW 5 mph
precip
24%
09.24
thu
DAY
88°F
W 11 mph
precip
25%
NIGHT
84°F
W 7 mph
precip
10%
09.25
fri
DAY
88°F
W 12 mph
precip
25%
NIGHT
84°F
W 9 mph
precip
8%
09.26
sat
DAY
88°F
W 13 mph
precip
26%
NIGHT
84°F
W 9 mph
precip
20%
09.27
sun
DAY
88°F
W 11 mph
precip
10%
NIGHT
84°F
W 6 mph
precip
11%
09.28
mon
DAY
88°F
W 8 mph
precip
4%
NIGHT
82°F
W 4 mph
precip
7%
09.29
tue
DAY
88°F
W 5 mph
precip
3%
NIGHT
84°F
W 6 mph
precip
8%

Cat Ba Island Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Cat Ba Island was 89.5°F. The maximum and minimum values were 88.4°F and 90.6°F respectively.

Cat Ba Island on the Weather Map

Best Time to Visit Cat Ba Island
The most sunny months:
October 14 days
June 12 days
September 12 days
The most warm months:
August 93.1 °F
July 93.0 °F
June 92.4 °F
Warmest sea temperature:
July 90.9 °F
August 90.7 °F
June 90.4 °F
The most cold months:
January 68.8 °F
February 70.3 °F
December 71.4 °F
The most rainy months:
August 14 days
July 14 days
June 12 days
The most windy months:
June 11 mph
July 10 mph
October 9 mph
Vietnam Resorts:
NAME
Cam Ranh +84
Da Lat +64
Da Nang +84
Doc Let Beach +84
Ha Long +78
Ha Noi +78
Ho Chi Minh +86
Hoi An +84
Mui Ne +80
Nha Trang +84
Phan Rang +84
Phan Thiet +80
Phu Quoc +84
Vinpearl +84
Vung Tau +80
24 Hours Weather Forecast
Cat Ba Island
Local time: 20:22
16 sep, wednesday
2100 82°F
W
11 mph
17 sep, thursday
0000 82°F
W
9 mph
0300 82°F
SW
9 mph
0600 82°F
SW
11 mph
0900 82°F
SW
11 mph
1200 84°F
SW
12 mph
1500 84°F
SW
12 mph
1800 84°F
W
13 mph