World Resorts Vietnam Ha Long Weather

Ha Long weather in September

Weather in Ha Long: September

Average day temperature: 87.2°F
Average night temperature: 81.3°F
Sea water temperature: 85.8°F
Number of sunny days: 13 days
Day length: 12.0 - 12.5 hours
Number of rainy days: 10 days
Precipitation totals: 7.5 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 92°F. At the same time the lowest night temperature was 73°F. Day and night temperature averages during September were 84.5°F and 77.5°F.

Sea water temperature in Ha Long in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 85.9°F. The highest and lowest sea temperatures during the month were 87.4°F and 84.6°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 Ha Long in September is 7.3 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 7.9 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: 5.6.

Best time for vacation in Ha Long

Sunniest months:
October 14 days
September 13 days
June 13 days
Warmest months:
July 89.3 °F
August 88.8 °F
June 88.7 °F
Warmest sea temp:
July 86.8 °F
August 86.6 °F
June 86.3 °F
Coldest months:
January 67.1 °F
February 68.7 °F
December 69.5 °F
Rainiest months:
July 15 days
August 15 days
June 12 days
Windiest months:
June 10.7 mph
July 10.2 mph
October 9.8 mph

Ha Long on a weather map

Ha Long
+82°F
N 6 mph
Feels like: +90°F
Precip.: 82%
Places in Vietnam:
Name
°F
+86°F
+99°F
+70°F
+88°F
+90°F
+82°F
+86°F
+91°F
+90°F
+90°F
+90°F
+95°F
+82°F
+88°F
+99°F
24 Hours Forecast
Ha Long
Local time: 15:10
April 25, thursday
1800
79°F
NW
4 mph
2100
77°F
N
3 mph
April 26, friday
0000
77°F
SW
1 mph
0300
77°F
S
2 mph
0600
79°F
W
2 mph
0900
79°F
NW
4 mph
1200
82°F
NW
6 mph
1500
84°F
NW
6 mph
Units of measurement: °C / °F