Sun, sea & sand

Ao Nang, Krabi weather in September

Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

65

Holiday weather in September

Good

Best time to visit: January – March

What is the weather like in Ao Nang, Krabi in September?

In September, Ao Nang, Krabi is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 29.4 °C – almost as warm as a bath. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 315 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Ao Nang, Krabi.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score666564
Day29°28°28°
Night25°25°25°
Sea30°29°29°
Sun5 h4 h4 h
Rain days252628

More details for September

Daylight
12 h 11 min06:15 – 18:25
UV index
14 · extremeclear sky, noon (estimate)All months
Muggy days
30 daysdew point 18 °C or more
Wind
14 km/haverage daily peak
Cloud cover
89 %on average
Hot days
1 day30 °C or more
Time zone
UTC+7Asia/Bangkok

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %23 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in September

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Ao Nang, Krabi in September: quick answers

Is Ao Nang, Krabi hot in September?

Yes. In September, Ao Nang, Krabi is hot: daytime highs average 28 °C and nights stay around 25 °C. On about 1 days the thermometer climbs to 30 °C or more.

Can you swim in Ao Nang, Krabi in September?

Yes. In September the sea averages 29.4 °C – almost as warm as a bath.

Does it rain much in Ao Nang, Krabi in September?

It rains often – on about 26 days, adding up to 315 mm.

Ao Nang, Krabi month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)