What is the weather like in Hakone in September?

Expect temperatures between 21°C and 26°C with 40% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Hakone in September?

Hakone in September scores 62/100 based on 30 years of climate data. A reasonable choice for your trip.

Who should visit Hakone in September?

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

Hakone Weather in September | 30-Year Forecast

Avg High

26°C

Hottest around day 1

Avg Low

21°C

Coolest around day 30

Rainy Days

30days

40% avg rain chance

Sunshine

8hrs/day

Autumn season

Hakone September Weather Calendar

Click any day to see detailed weather information

Day 1

Rainy

28°C41%

Day 2

Rainy

28°C43%

Day 3

Rainy

28°C47%

Day 4

Rainy

27°C48%

Day 5

Rainy

27°C49%

Day 6

Rainy

27°C52%

Day 7

Rainy

27°C50%

Day 8

Rainy

27°C46%

Day 9

Rainy

28°C44%

Day 10

Rainy

27°C43%

Day 11

Cloudy

27°C35%

Day 12

Cloudy

27°C32%

Day 13

Cloudy

27°C34%

Day 14

Cloudy

27°C36%

Day 15

Cloudy

26°C34%

Day 16

Cloudy

26°C39%

Day 17

Cloudy

26°C39%

Day 18

Cloudy

26°C38%

Day 19

Cloudy

26°C37%

Day 20

Cloudy

26°C40%

Day 21

Cloudy

26°C40%

Day 22

Rainy

25°C43%

Day 23

Rainy

25°C43%

Day 24

Rainy

24°C42%

Day 25

Cloudy

24°C39%

Day 26

Cloudy

24°C35%

Day 27

Cloudy

24°C34%

Day 28

Cloudy

24°C34%

Day 29

Cloudy

24°C38%

Day 30

Cloudy

24°C37%

Essential Travel Info for Hakone

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

JPY

¥ Japanese yen

Language

Japanese

Driving

Left side

Safety

Very High Safety

GPI: 1.336

Travel Intelligence

Exclusive flight analytics & health data for Hakone

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub

85/ 100

Traffic Index

Extremely busy airport

Peak Daily Arrivals

slots per day

Peak

Mar

Low

Jul

Monthly Traffic Distribution

687

Jan

692

Feb

695

Mar

636

Apr

631

May

548

Jun

483

Jul

624

Aug

624

Sep

624

Oct

624

Nov

624

Dec

Traffic Level

Low Season

Key Connections

Fukuoka (FUK)

Chitose / Tomakomai New Chitose (CTS)

Naha (OKA)

Osaka (ITM)

Kagoshima (KOJ)

Health & Safety Advisory

CDC travel health recommendations

8 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

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

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

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.

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.

Rabies

Dogs infected with rabies are not commonly found in Japan.If rabies exposures occur while in Japan, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

+2 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Hakone?

👌A reasonable choice for your trip(62/100)

Short Answer

September falls in Hakone's wet season: 40% rain probability with average 5mm rainfall. Pack waterproofs and plan flexible indoor alternatives.

Decision Factors

Vaccinations required

Yellow Fever

Seismically active region

37 earthquakes recorded in this month (30-year data)

Very high humidity

83% average humidity

Peak tourist season

90% of annual peak - expect crowds and peak prices

Near active volcano: Mount Fuji

High volcanic risk

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Tuberculosis (TB)

Good For

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

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
83% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Hakone in September averages 26°C with 40% precipitation probability."

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

Frequently Asked Questions: Hakone in September

What are the temperatures in Hakone in September?

Daytime highs average 26°C, nights drop to 21°C. Temperatures remain fairly consistent.

How many rainy days in Hakone in September?

Expect around 30 days with measurable rainfall. An umbrella is advisable.

What to wear in Hakone in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Hakone?

This is shoulder season—moderate prices and manageable crowds.

Hakone Weather in September

Hakone September Weather Calendar

Essential Travel Info for Hakone

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Japanese Encephalitis

Measles

Rabies

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Hakone in September

What are the temperatures in Hakone in September?

How many rainy days in Hakone in September?

What to wear in Hakone in September?

Is September peak season in Hakone?