Measurements:
°C
°F
CURRENT WEATHER
22:14
Ha Long
78°F
SW 4 mph
Feels like: 84°F
Precip: 62%
World Resorts Vietnam Ha Long Weather

7 Day Weather Forecast

09.16
wed
DAY
84°F
W 6 mph
precip
59%
NIGHT
78°F
SW 4 mph
precip
59%
09.17
thu
DAY
78°F
SW 4 mph
precip
79%
NIGHT
78°F
SW 4 mph
precip
76%
09.18
fri
DAY
90°F
W 7 mph
precip
42%
NIGHT
80°F
SW 5 mph
precip
15%
09.19
sat
DAY
92°F
W 9 mph
precip
17%
NIGHT
80°F
SW 4 mph
precip
28%
09.20
sun
DAY
94°F
W 7 mph
precip
1%
NIGHT
80°F
S 2 mph
precip
22%
09.21
mon
DAY
92°F
NW 6 mph
precip
3%
NIGHT
78°F
SW 2 mph
precip
10%
09.22
tue
DAY
90°F
N 6 mph
precip
4%
NIGHT
80°F
E 1 mph
precip
29%

Ha Long Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Ha Long was 29.7°F. The maximum and minimum values were 29.1°F and 30.1°F respectively.

Ha Long on the Weather Map

Best Time to Visit Ha Long
The most sunny months:
October 13 days
September 12 days
August 11 days
The most warm months:
July 93.1 °F
August 92.7 °F
June 92.6 °F
Warmest sea temperature:
July 90.9 °F
August 90.7 °F
June 90.4 °F
The most cold months:
January 69.1 °F
February 70.7 °F
December 71.6 °F
The most rainy months:
July 14 days
August 14 days
June 11 days
The most windy months:
June 9 mph
July 9 mph
October 9 mph
more details