Ao Nang
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ao Nang, Thailand

An excellent water temperature of 28.9°C (84°F) makes September in Ao Nang, Thailand, a prime for swimming and other water activities.

Sea temperature

In Ao Nang, Thailand, the average water temperature is 28.9°C (84°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.


The average length of the day in September is 12.2h.

What is the sea water temperature in September in Ao Nang?

In September, the average sea temperature is 28.9°C (84°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Ao Nang have in September?

The average length of the day in September in Ao Nang, Thailand, is 12.2h.
Average sea temperature in September - Ao Nang, Thailand
  • Average sea temperature in September: 28.9°C

The best month for swimming (with the highest average sea temperature) is May (30.4°C).
The coldest month (with the lowest average sea temperature) is January (28.1°C).

Average daylight in September - Ao Nang, Thailand
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.6h).
Months with shortest days are January and December (Average daylight: 11.7h).