Measurements:
°C
°F
CURRENT WEATHER
21:16
Cat Ba Island
82°F
W 11 mph
Feels like: 90°F
Precip: 62%
World Resorts Vietnam Cat Ba Island Weather

7 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%

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 29.8°F. The maximum and minimum values were 29.2°F and 30.3°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
more details