Ile Bach Long Vi Sea Temperature in September
Hải Phòng, Vietnam
Average sea temperature for Ile Bach Long Vi, Vietnam across September, based on 10 years of daily readings.
Average
29.83° C
High
31.4° C
Low
27.99° C
This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.
September is the 3rd warmest of 12 months at Ile Bach Long Vi. On average the water sits 3.9° than the year-round mean of 25.93° C.
Compared to August, September is 0.2° about the same as (30.04° C in August). By October the water is usually 28.09° C.
Ile Bach Long Vi Day-by-Day Water Temperature in September
10-year low, average and high
Each vertical bar above is one day of September. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Ile Bach Long Vi.
A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.
September Water Temperature Table for Ile Bach Long Vi
10-year daily averages
| Day | Average | Low | High |
|---|---|---|---|
| September 1 | 29.77° C | 28.59° C | 31.19° C |
| September 2 | 29.76° C | 28.62° C | 31.13° C |
| September 3 | 29.81° C | 28.79° C | 31.21° C |
| September 4 | 29.83° C | 29.05° C | 31.27° C |
| September 5 | 29.89° C | 29.32° C | 31.3° C |
| September 6 | 29.86° C | 29.38° C | 31.33° C |
| September 7 | 29.84° C | 28.87° C | 31.25° C |
| September 8 | 29.86° C | 28.78° C | 31.17° C |
| September 9 | 29.7° C | 28.79° C | 30.83° C |
| September 10 | 29.69° C | 28.86° C | 30.59° C |
| September 11 | 29.78° C | 29.04° C | 30.36° C |
| September 12 | 29.81° C | 29.09° C | 30.31° C |
| September 13 | 29.86° C | 29.25° C | 30.55° C |
| September 14 | 29.99° C | 29.23° C | 31.29° C |
| September 15 | 30.12° C | 29.18° C | 31.38° C |
| September 16 | 30.12° C | 29.19° C | 31.4° C |
| September 17 | 30.09° C | 29.13° C | 31.36° C |
| September 18 | 30.14° C | 29.24° C | 31.27° C |
| September 19 | 30.15° C | 29.39° C | 31.22° C |
| September 20 | 30.15° C | 29.58° C | 31.29° C |
| September 21 | 30.04° C | 29.35° C | 31.05° C |
| September 22 | 29.97° C | 29.14° C | 30.78° C |
| September 23 | 29.78° C | 28.8° C | 30.55° C |
| September 24 | 29.69° C | 28.89° C | 30.57° C |
| September 25 | 29.65° C | 29° C | 30.59° C |
| September 26 | 29.63° C | 29.12° C | 30.58° C |
| September 27 | 29.56° C | 29.04° C | 30.19° C |
| September 28 | 29.57° C | 28.84° C | 30.17° C |
| September 29 | 29.36° C | 27.99° C | 30.18° C |
| September 30 | 29.43° C | 28.07° C | 30.52° C |
Where September Sits in the Year
September highlighted
Nearby Locations in September
Compare other Vietnam water for the same month
Ile Bach Long Vi Location
20.1333, 107.7170
Ile Bach Long Vi sits at 20.1333°N, 107.7170°E, on the coast of Hải Phòng, Vietnam. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.
Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.
Nearest locations to Ile Bach Long Vi
- Sha Pak Wan, 93 km N
- Passe des Hydres, 93 km NW
- Apowan, 95 km NW
- Ha Long Bay, 103 km NW
- Cat Ba, 105 km NW
- Cua Cam Approaches (Hon Dau), 111 km NW