Phuket Weather in September

September is not the best time to visit Phuket. It's the wettest month of the year, 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).

How hot is it in Phuket in September?
Maximum daytime temperatures in Phuket in September reach an average high of 31°C (87°F), with very high heat and humidity, and low of 25°C (77°F).

How sunny is it in Phuket in September?
There are normally five hours of bright sunshine each day in Phuket in September – that's around 43% of daylight hours.

Sunrise & sunset in September?
Sunrise is around 6:15am with sunset around 6:25pm.

How warm is the sea around Phuket in September?
The average sea temperature in Phuket in September is 29°C (84°F).

Does it rain in Phuket in September?
September is usually the wettest month in Phuket with 336mm of rainfall on average and 19 days with some rainfall.

The months of August through October receive the most rainfall in Phuket, with a greater than 39% chance of any given day being a wet day. The rain falls mainly in the afternoon and evening.

How windy is it in Phuket in September?
September sees an average hourly windspeed of 12 kilometres per hour (5 knots).

What to do in Phuket in September?
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.

Local holidays?
None. September is considered the low season in Phuket, with more reasonable hotel prices and less people on the beaches.

Phuket weather in September

Temperature icon High Temp: 31°C (87°F)
temperature icon Low Temp: 25°C (77°F)
sun icon Sunshine: 5 hours per day
Moderately hot icon
Daylight: 12 hours per day
wind icon Windspeed: 12 km/h (5 knots)
umbrella icon Wet Days: 19 days with some rain
rain cloud Rainfall: 336mm per month
High heat icon Comfort Level: High heat & 85% humidity
Moderately hot icon
UV Index: Extreme
swimming icon Sea Temp: 29°C (84°F)
Phuket, Thailand

Best time to visit Phuket

The best time to visit Phuket is anytime during the dry season from December through February when the skies are clear and sunny, and temperatures average 28°C (82°F).

Phuket enjoys a tropical monsoon climate with a short dry season and hot temperatures year-round.

Phuket Weather Overview

Phuket – Monthly Review

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: 21 June, 2022