September is not the best time to visit Phuket: it's the coldest and wettest month of the year.
September sees a continuation of the wet season, with increased rainfall and cool sea breezes.
However, you can still expect sunny days interspersed with very heavy downpours that fall mainly in the afternoon. Daytime temperatures average 27°C (81°F).
Weather conditions in September are fine for sunbathing and surfing, but the seawater becomes cloudy and is not so good for snorkelling, scuba diving or kayaking.
Additionally, heavy rain showers can cause slippery conditions so jungle trekking should be approached with some caution.
|Ave Temp (°C)||27°C (81°F)|
|Ave High Temp (°C)||30°C (86°F)|
|Ave Low Temp (°C)||24°C (75°F)|
|Sunshine (Hrs daily)||7 hours per day|
|Daylight (Hrs daily)||12||12 hours per day|
|Comfort Level||High heat & 85% humidity|
|Days with some Rain||21 days|
|Ave Rainfall (mm)||400mm|
|Sea Temp (°C)||29°C (83°F)|
The best time to visit Phuket is during the dry season from November to April when the skies over Phuket are clear and sunny averaging 28°C (82°F).
Phuket enjoys a tropical monsoon climate with warm temperatures year round spread across three distinct seasons: cool (November to February), hot (March to May) and wet (May to October). The average annual temperature is 27°C (80.6°F).
|› January||› February||› March||› April|
|› May||› June||› July||› August|
|› September||› October||› November||› December|
Note: Meteorological data is sourced from the United States National Oceanic and Atmospheric Administration (NOAA) and the World Meteorological Organization (WMO), with additional historical climate data sourced from the Thai Meteorological Department.
Latest update: Phuket Weather in September: 8 June, 2020
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