What is the weather like in Gyeongju in September?

Expect temperatures between 18°C and 25°C with 30% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Gyeongju in September?

Gyeongju in September scores 63/100 based on 30 years of climate data. A reasonable choice for your trip.

Who should visit Gyeongju in September?

September in Gyeongju is ideal for: Cultural tourists, Business travelers.

Gyeongju Weather in September | 30-Year Forecast

Avg High

25°C

Hottest around day 1

Avg Low

18°C

Coolest around day 30

Rainy Days

21days

30% avg rain chance

Sunshine

8hrs/day

Autumn season

Gyeongju September Weather Calendar

Click any day to see detailed weather information

Day 1

Rainy

27°C45%

Day 2

Rainy

27°C44%

Day 3

Cloudy

27°C38%

Day 4

Cloudy

27°C39%

Day 5

Rainy

27°C42%

Day 6

Cloudy

27°C38%

Day 7

Cloudy

27°C34%

Day 8

Cloudy

26°C36%

Day 9

Cloudy

26°C31%

Day 10

Cloudy

26°C28%

Day 11

Cloudy

26°C31%

Day 12

Cloudy

26°C31%

Day 13

Cloudy

26°C30%

Day 14

Cloudy

26°C31%

Day 15

Cloudy

26°C32%

Day 16

Cloudy

26°C32%

Day 17

Cloudy

26°C32%

Day 18

Cloudy

25°C33%

Day 19

Cloudy

25°C34%

Day 20

Cloudy

25°C30%

Day 21

Cloudy

24°C27%

Day 22

Cloudy

24°C24%

Day 23

Cloudy

23°C24%

Day 24

Nice

23°C19%

Day 25

Nice

24°C17%

Day 26

Nice

24°C16%

Day 27

Nice

24°C19%

Day 28

Cloudy

24°C21%

Day 29

Cloudy

23°C23%

Day 30

Cloudy

23°C23%

Essential Travel Info for Gyeongju

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

KRW

₩ South Korean won

Language

Korean

Driving

Right side

Connect

South Korea used to have a different mob...

Safety

High Safety

GPI: 1.779

Travel Intelligence

Exclusive flight analytics & health data for Gyeongju

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

46/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

Feb

Low

Jul

Monthly Traffic Distribution

165

Jan

165

Feb

158

Mar

129

Apr

131

May

121

Jun

106

Jul

139

Aug

139

Sep

139

Oct

139

Nov

139

Dec

Traffic Level

Low Season

Key Connections

Jeju City Jeju (CJU)

Fukuoka (FUK)

Taipei Taiwan Taoyuan (TPE)

Osaka Kansai (KIX)

Seoul-si Gimpo (GMP)

Health & Safety Advisory

CDC travel health recommendations

10 Recommendations

COVID-19

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

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to South Korea.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 South Korea. Unvaccinated travelers 60 years and older may get vaccinated before traveling to South Korea.

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.

Malaria

CDC recommends that travelers going to certain areas of South Korea take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasLimited to the months of March–December in rural areas in the northern parts of the provinces of Incheon (also spelled Inch’ŏn), Gangwon (also spelled Kangwŏn), and Gyeonggi (also spelled Kyŏnggi), including the demilitarized zone (DMZ)Drug resistanceNoneSpeciesP. vivax(100%)Recommended chemoprophylaxisAtovaquone-proguanil, chloroquine, doxycycline, mefloquine, primaquine5, or tafenoquine2Updated April 23, 2025See footnotes

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

+4 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Gyeongju?

👌A reasonable choice for your trip(63/100)

Short Answer

September is excellent for visiting Gyeongju: comfortable 25°C temperatures, only 30% rain risk, and 7.6h of daily sunshine create ideal conditions for exploration.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

81% average humidity

Ideal temperature range

25.2°C - perfect for sightseeing and outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Avian/Bird Flu, Hantavirus

Shoulder season - balanced conditions

84% of peak - good value with moderate crowds

Good For

🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

👴
Elderly travelers
81% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Gyeongju in September averages 25°C with 30% precipitation probability."

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

Frequently Asked Questions: Gyeongju in September

What are the temperatures in Gyeongju in September?

Daytime highs average 25°C, nights drop to 18°C. Temperatures remain fairly consistent.

How many rainy days in Gyeongju in September?

Expect around 21 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Gyeongju in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Gyeongju?

This is shoulder season—moderate prices and manageable crowds.

Gyeongju Weather in September

Gyeongju September Weather Calendar

Essential Travel Info for Gyeongju

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Japanese Encephalitis

Malaria

Measles

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Gyeongju in September

What are the temperatures in Gyeongju in September?

How many rainy days in Gyeongju in September?

What to wear in Gyeongju in September?

Is September peak season in Gyeongju?