World Resorts Vietnam Cat Ba Island Weather

Cat Ba Island weather in September

Weather in Cat Ba Island: September

Average day temperature: 87.4°F
Average night temperature: 81.5°F
Sea water temperature: 85.8°F
Number of sunny days: 13 days
Day length: 12.0 - 12.5 hours
Number of rainy days: 11 days
Precipitation totals: 8.2 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 93°F. At the same time the lowest night temperature was 73°F. Day and night temperature averages during September were 84.3°F and 79.7°F.

Sea water temperature in Cat Ba Island in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 86.0°F. The highest and lowest sea temperatures during the month were 88.0°F and 83.1°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Cat Ba Island in September is 7.8 in. It makes september one of the most rainy months of the year.

Wind speed in September, mph

The average wind speed value in September is 8.2 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.5.

Best time for vacation in Cat Ba Island

Sunniest months:
October 14 days
September 13 days
July 12 days
Warmest months:
August 89.2 °F
July 89.1 °F
June 88.4 °F
Warmest sea temp:
July 86.8 °F
August 86.6 °F
June 86.4 °F
Coldest months:
January 67.0 °F
February 68.4 °F
December 69.3 °F
Rainiest months:
July 16 days
August 14 days
June 13 days
Windiest months:
June 10.7 mph
July 10.3 mph
January 9.8 mph

Cat Ba Island on a weather map

Cat Ba Island
+64°F
SW 7 mph
Feels like: +64°F
Precip.: 0%
Places in Vietnam:
Name
°F
+72°F
+73°F
+59°F
+70°F
+72°F
+64°F
+79°F
+73°F
+73°F
+73°F
+77°F
+66°F
+63°F
+70°F
+75°F
24 Hours Forecast
Cat Ba Island
Local time: 00:17
December 31, tuesday
0300
64°F
SW
6 mph
0600
64°F
SW
6 mph
0900
66°F
SW
4 mph
1200
68°F
SE
4 mph
1500
72°F
N
4 mph
1800
66°F
NW
6 mph
2100
64°F
NE
1 mph
January 01, wednesday
0000
64°F
SE
6 mph
Units of measurement: °C / °F