What is the weather like in Nikko in September?

Expect temperatures between 17°C and 24°C with 54% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Nikko in September?

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

Who should visit Nikko in September?

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

Nikko Weather in September | 30-Year Forecast

Avg High

24°C

Hottest around day 1

Avg Low

17°C

Coolest around day 30

Rainy Days

30days

54% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Nikko

🗓️ 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 Nikko

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub

99/ 100

Traffic Index

Extremely busy airport

Peak Daily Arrivals

slots per day

Peak

Nov

Low

May

Monthly Traffic Distribution

692

Jan

696

Feb

701

Mar

640

Apr

636

May

959

Jun

958

Jul

976

Aug

968

Sep

972

Oct

985

Nov

950

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 Nikko?

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

Short Answer

September falls in Nikko's wet season: 54% rain probability with average 6mm rainfall. Pack waterproofs and plan flexible indoor alternatives.

Decision Factors

Vaccinations required

Yellow Fever

Seismically active region

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

Very high humidity

85% average humidity

Frequent rainfall expected

54% chance of rain - pack waterproofs

Peak tourist season

98% of annual peak - expect crowds and peak prices

Ideal temperature range

24°C - perfect for sightseeing and outdoor activities

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
85% humidity creates difficult conditions
🥾
Outdoor enthusiasts
54% rain probability disrupts outdoor activities
💑
Honeymoon couples
Wedding score only 77/100 - better months available

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Nikko in September averages 24°C with 54% precipitation probability."

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

Frequently Asked Questions: Nikko in September

What are the temperatures in Nikko in September?

Daytime highs average 24°C, nights drop to 17°C. Temperatures remain fairly consistent.

How many rainy days in Nikko in September?

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

What to wear in Nikko in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Nikko?

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

Nikko Weather in September

Nikko September Weather Calendar