What is the weather like in Phuket in September?

Expect temperatures between 26°C and 29°C with 73% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Phuket in September?

Phuket in September scores 48/100 based on 30 years of climate data. Doable with the right expectations.

Who should visit Phuket in September?

September in Phuket is ideal for: Business travelers, Adventure seekers.

Phuket Weather in September | 30-Year Forecast

Avg High

29°C

Hottest around day 1

Avg Low

26°C

Coolest around day 29

Rainy Days

30days

73% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Andaman Sea(ทะเลอันดามัน)

29.6°C

Monthly Average

Water Feel

🌴Tropical

Perfect for swimming and water sports

Swim Rating

✅Excellent for swimming

Based on average sea surface temperature

Body of Water

Andaman Sea

ทะเลอันดามัน

Phuket coastline

Essential Travel Info for Phuket

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

THB

฿ Thai baht

Language

Thai

Driving

Left side

Connect

If you want to send mail, post offices a...

Safety

Moderate Safety

GPI: 2.098

Travel Intelligence

Exclusive flight analytics & health data for Phuket

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

48/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

Jan

Low

Jul

Monthly Traffic Distribution

177

Jan

176

Feb

168

Mar

156

Apr

157

May

131

Jun

Jul

143

Aug

118

Sep

131

Oct

143

Nov

Dec

Traffic Level

Low Season

Key Connections

Bangkok Don Mueang (DMK)

Bangkok Suvarnabhumi (BKK)

Kuala Lumpur (KUL)

Singapore Changi (SIN)

Na Thon (Ko Samui Island) Samui (USM)

Health & Safety Advisory

CDC travel health recommendations

11 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

There iselevated chikungunya riskin Thailand.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).

Cholera

There is no longer active cholera transmission and vaccine is not recommended.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Thailand.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Thailand. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Thailand.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

+5 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Phuket?

🤔Doable with the right expectations(48/100)

Short Answer

September brings storm season risk to Phuket. While typical weather is 29°C with 73% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Cyclone season active

Indian Ocean zone - expect potential cyclone activity

Oppressive heat and humidity

28.5°C with 84% humidity - challenging conditions

High rainfall period

73% rain probability, 8.7mm average

Vaccinations required

Yellow Fever

Feels significantly hotter than 28.5°C

Heat index: 34°C due to 84% humidity

Warm tropical seas

29.6°C sea temperature - Hot Soup

Good For

💼
Business travelers
Climate-controlled meetings unaffected by weather
🎯
Adventure seekers
1.04m waves - good for surfing and water sports

Who Should Avoid

👴
Elderly travelers
84% humidity creates difficult conditions
🥾
Outdoor enthusiasts
73% rain probability disrupts outdoor activities
📸
Photographers
89% cloud cover limits natural light opportunities
💑
Honeymoon couples
Wedding score only 56/100 - better months available

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Phuket in September averages 29°C with 73% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Phuket in September

What are the temperatures in Phuket in September?

Daytime highs average 29°C, nights drop to 26°C. Temperatures remain fairly consistent.

How many rainy days in Phuket in September?

Expect around 30 days with measurable rainfall. Definitely pack rain gear.

What to wear in Phuket in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Phuket?

This is off-peak season. Expect lower prices and fewer crowds.

Phuket Weather in September