What is the weather like in Koh Phi Phi in September?

Expect temperatures between 26°C and 28°C with 66% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Koh Phi Phi in September?

Koh Phi Phi in September scores 48/100 based on 30 years of climate data. Come prepared and you'll have a good time.

Who should visit Koh Phi Phi in September?

September in Koh Phi Phi is ideal for: Business travelers.

Koh Phi Phi Weather in September | 30-Year Forecast

Avg High

28°C

Hottest around day 6

Avg Low

26°C

Coolest around day 29

Rainy Days

30days

66% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Coastal Waters(Ocean)

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

Coastal Waters

Ocean

Koh Phi Phi coastline

Koh Phi Phi September Weather Calendar

Click any day to see detailed weather information

Day 1

Stormy

28°C63%

Day 2

Stormy

28°C64%

Day 3

Stormy

28°C67%

Day 4

Stormy

28°C66%

Day 5

Stormy

28°C69%

Day 6

Stormy

28°C70%

Day 7

Stormy

28°C69%

Day 8

Stormy

28°C66%

Day 9

Stormy

28°C66%

Day 10

Stormy

28°C64%

Day 11

Stormy

28°C65%

Day 12

Stormy

28°C63%

Day 13

Stormy

28°C63%

Day 14

Stormy

28°C62%

Day 15

Stormy

28°C66%

Day 16

Stormy

28°C66%

Day 17

Stormy

28°C65%

Day 18

Stormy

28°C65%

Day 19

Stormy

28°C66%

Day 20

Stormy

28°C64%

Day 21

Stormy

28°C62%

Day 22

Stormy

28°C64%

Day 23

Stormy

28°C68%

Day 24

Stormy

28°C69%

Day 25

Stormy

28°C65%

Day 26

Stormy

28°C69%

Day 27

Stormy

28°C70%

Day 28

Stormy

28°C67%

Day 29

Stormy

28°C69%

Day 30

Stormy

28°C71%

Essential Travel Info for Koh Phi Phi

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

THB

฿ Thai baht

Language

Thai

Driving

Left side

Safety

Moderate Safety

GPI: 2.098

Travel Intelligence

Exclusive flight analytics & health data for Koh Phi Phi

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

Feb

Low

Jul

Monthly Traffic Distribution

180

Jan

182

Feb

169

Mar

156

Apr

158

May

149

Jun

127

Jul

160

Aug

160

Sep

160

Oct

160

Nov

160

Dec

Traffic Level

Low Season

Key Connections

Bangkok Don Mueang (DMK)

Bangkok Suvarnabhumi (BKK)

Kuala Lumpur (KUL)

Na Thon (Ko Samui Island) Samui (USM)

Singapore Changi (SIN)

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 Koh Phi Phi?

🤔Come prepared and you'll have a good time(48/100)

Short Answer

Tropical storm season is active in Koh Phi Phi during September. Average conditions (28°C, 66% rain) can be interrupted by severe weather. Monitor forecasts closely.

Decision Factors

Cyclone season active

Indian Ocean zone - expect potential cyclone activity

Oppressive heat and humidity

28.1°C with 81% humidity - challenging conditions

High rainfall period

66% rain probability, 7.6mm average

Vaccinations required

Yellow Fever

Warm tropical seas

29.6°C sea temperature - Hot Soup

Peak tourist season

88% of annual peak - expect crowds and high prices

Good For

💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
81% humidity creates difficult conditions
🥾
Outdoor enthusiasts
66% rain probability disrupts outdoor activities
📸
Photographers
87% cloud cover limits natural light opportunities

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Koh Phi Phi in September averages 28°C with 66% precipitation probability."

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

Frequently Asked Questions: Koh Phi Phi in September

What are the temperatures in Koh Phi Phi in September?

Daytime highs average 28°C, nights drop to 26°C. Temperatures remain fairly consistent.

How many rainy days in Koh Phi Phi in September?

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

What to wear in Koh Phi Phi in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Koh Phi Phi?

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

Koh Phi Phi Weather in September

Sea Temperature in September

Koh Phi Phi September Weather Calendar

Essential Travel Info for Koh Phi Phi

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Chikungunya

Cholera

Hepatitis A

Hepatitis B

Japanese Encephalitis

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Koh Phi Phi in September

What are the temperatures in Koh Phi Phi in September?

How many rainy days in Koh Phi Phi in September?

What to wear in Koh Phi Phi in September?

Is September peak season in Koh Phi Phi?