Swimming in Hoi An in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Hoi An in september 2025.
In september, according to seasonal norms, the sea temperature in Hoi An is:
Minimum: 81°F
Average: 85°F
Maximum: 87°F
Other useful seasonal weather averages in september:
- Outside temperature: 79°F to 87°F
- Most common weather: "Clear/Sunny"
- The wind blows at 16.2mph
- It rains a total of 18.4in, over 16 day(s).
Should we swim in Hoi An in september?
Yes! The water temperature in Hoi An in september is ideal
In september, swimming is ideal on the beaches around Hoi An! With water reaching 87°F at most and 85°F on average, spending time in the water is very pleasant.
Note also that in september, the climate is tolerable with an average outside temperature of 83°F, 18.4in of precipitation (over 16 days) and 86.91 % humidity.
Water and normal seasonal temperatures in Hoi An in september
| September | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 79°F | ||
| Wind speed | 8.1mph | ||
| Wind temperature | 79°F | ||
| Precipitation | 18.4in | ||
| Number of days of rain | 16 jour(s) (53%) | ||
| Humidity | 87% | ||
| Visibility in kilometers | 9.03km | ||
| Cloud cover | 40% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Hoi An
Swim elsewhere in Vietnam in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Halong Bay in september | 84°F | 87°F | ideal swimming | Nha Trang in september | 84°F | 86°F | ideal swimming | Phu Quoc island (Koh Trol) in september | 84°F | 86°F | ideal swimming | Da Nang in september | 84°F | 87°F | ideal swimming | Huế in september | 85°F | 88°F | ideal swimming | Phan Thiet in september | 83°F | 86°F | ideal swimming | Phan Rang Beach in september | 83°F | 86°F | ideal swimming |