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° Max. T° Our opinion
Halong Bay in september84°F87°Fideal swimming
Nha Trang in september84°F86°Fideal swimming
Phu Quoc island (Koh Trol) in september84°F86°Fideal swimming
Da Nang in september84°F87°Fideal swimming
Huế in september85°F88°Fideal swimming
Phan Thiet in september83°F86°Fideal swimming
Phan Rang Beach in september83°F86°Fideal swimming

Swim in Vietnam in september: sea temperature by city

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