Swimming in Phuket in september 2025 Sea temperature by city in september

Do you want to go to the beach in Phuket in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Phuket by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Phuket in september 2025

Here, find the average sea temperature in Phuket in september in several coastal cities.

Phuket town

on average:

85°F

min: 83°F / max: 86°F

Patong

on average:

85°F

min: 83°F / max: 87°F

Bang Rong

on average:

85°F

min: 83°F / max: 86°F

Bang Tao Beach

on average:

84°F

min: 83°F / max: 87°F

Chalong

on average:

85°F

min: 83°F / max: 86°F

Coral Island (Koh Hey)

on average:

85°F

min: 83°F / max: 87°F

Kamala Beach

on average:

84°F

min: 83°F / max: 87°F

Karon Beach

on average:

85°F

min: 83°F / max: 87°F

Kata Beach

on average:

84°F

min: 83°F / max: 87°F

Kathu

on average:

85°F

min: 83°F / max: 87°F

Koh Mai Thon

on average:

84°F

min: 83°F / max: 87°F

Koh Siray

on average:

85°F

min: 83°F / max: 87°F

Mai Khao Beach

on average:

84°F

min: 83°F / max: 87°F

Nai Yang Beach

on average:

84°F

min: 83°F / max: 86°F

Panwa Beach (Khao Kad Beach)

on average:

84°F

min: 83°F / max: 86°F

Rawai

on average:

84°F

min: 83°F / max: 86°F

Sai Kaew Beach

on average:

84°F

min: 83°F / max: 87°F

Saphan Hin

on average:

84°F

min: 83°F / max: 86°F

Sirinat National Park

on average:

85°F

min: 83°F / max: 87°F

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Sea temperature in august in Phuket

Sea temperature in october in Phuket

Where should you go swimming in Phuket in the month of september?

Swimming in Phuket in september is ideal

In september in Phuket swimming conditions are generally the same everywhere.

In september in Phuket town, Patong, Bang Rong, Bang Tao Beach, Chalong, Coral Island (Koh Hey), Kamala Beach, Karon Beach, Kata Beach, Kathu, Koh Mai Thon, Koh Siray, Mai Khao Beach, Nai Yang Beach, Panwa Beach (Khao Kad Beach), Rawai, Sai Kaew Beach, Saphan Hin and Sirinat National Park, swimming conditions are perfect! With water reaching a maximum of 86°F and an average of 85°F, going in the water (and staying there!) feels great.

Where to go swimming in Phuket in september: the map of sea temperatures

ideal swimming

pleasant swimming

cool swimming

cold swimming

freezing swimming

Water temperature and seasonal norms in september

Phuket town

	August	September	October
Average sea temperature	84°F	85°F	85°F
Minimum sea temperature	83°F	83°F	83°F
Maximum sea temperature	86°F	86°F	87°F
Average outside temperature	85°F	83°F	83°F
Maximum outside temperature	85°F	85°F	85°F
Minimum outside temperature	83°F	83°F	81°F
Precipitation	16.6in	15.7in	15.1in
Number of days of precipitation	18 jour(s) (58%)	17 jour(s) (58%)	19 jour(s) (60%)
Cloud cover	42%	45%	42%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Phuket town in september

Patong

	August	September	October
Average sea temperature	84°F	85°F	85°F
Minimum sea temperature	83°F	83°F	83°F
Maximum sea temperature	86°F	87°F	87°F
Average outside temperature	85°F	83°F	83°F
Maximum outside temperature	85°F	85°F	85°F
Minimum outside temperature	83°F	83°F	81°F
Precipitation	16.6in	15.7in	15.1in
Number of days of precipitation	18 jour(s) (58%)	17 jour(s) (58%)	19 jour(s) (60%)
Cloud cover	42%	45%	42%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Patong in september

Bang Rong

	August	September	October
Average sea temperature	85°F	85°F	85°F
Minimum sea temperature	83°F	83°F	83°F
Maximum sea temperature	86°F	86°F	87°F
Average outside temperature	85°F	83°F	83°F
Maximum outside temperature	85°F	85°F	85°F
Minimum outside temperature	83°F	83°F	81°F
Precipitation	16.6in	15.7in	15.1in
Number of days of precipitation	18 jour(s) (58%)	17 jour(s) (58%)	19 jour(s) (60%)
Cloud cover	42%	45%	42%
Our opinion	ideal swimming	ideal swimming	ideal swimming

Bang Tao Beach

	August	September	October
Average sea temperature	85°F	84°F	85°F
Minimum sea temperature	83°F	83°F	83°F
Maximum sea temperature	86°F	87°F	87°F
Average outside temperature	85°F	83°F	83°F
Maximum outside temperature	85°F	85°F	85°F
Minimum outside temperature	83°F	83°F	81°F
Precipitation	16.6in	15.7in	15.1in
Number of days of precipitation	18 jour(s) (58%)	17 jour(s) (58%)	19 jour(s) (60%)
Cloud cover	42%	45%	42%
Our opinion	ideal swimming	ideal swimming	ideal swimming

Chalong

	August	September	October
Average sea temperature	84°F	85°F	85°F
Minimum sea temperature	83°F	83°F	83°F
Maximum sea temperature	86°F	86°F	87°F
Average outside temperature	85°F	83°F	83°F
Maximum outside temperature	85°F	85°F	85°F
Minimum outside temperature	83°F	83°F	81°F
Precipitation	16.6in	15.7in	15.1in
Number of days of precipitation	18 jour(s) (58%)	17 jour(s) (58%)	19 jour(s) (60%)
Cloud cover	42%	45%	42%
Our opinion	ideal swimming	ideal swimming	ideal swimming

List of coastal cities in Phuket

Phuket town in september	ideal swimming
Patong in september	ideal swimming
Bang Rong in september	ideal swimming
Bang Tao Beach in september	ideal swimming
Chalong in september	ideal swimming
Coral Island (Koh Hey) in september	ideal swimming
Kamala Beach in september	ideal swimming
Karon Beach in september	ideal swimming
Kata Beach in september	ideal swimming
Kathu in september	ideal swimming
Koh Mai Thon in september	ideal swimming
Koh Siray in september	ideal swimming
Mai Khao Beach in september	ideal swimming
Nai Yang Beach in september	ideal swimming
Panwa Beach (Khao Kad Beach) in september	ideal swimming
Rawai in september	ideal swimming
Sai Kaew Beach in september	ideal swimming
Saphan Hin in september	ideal swimming
Sirinat National Park in september	ideal swimming