Land in Asien

Japan Vejr Prognose

Japan weather: 12°C, mest klart. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.

🌙 12°C now🕔 7:50 PM local📅 Best: juli, oktober and november👥 124 million

Japan weather in september

29°
average high · low 22°C
★★★☆☆
ranked #12 of 12 months

A workable month, med trade-offs.

Average high29°C
Average low22°C
Mean25°C
Regnfall333 mm

september runs 8°C warmer than the annual average in Japan.

Compare med august.

Vejr map for Japan

Animated model layers. Pick a layer og load it.

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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.

Klima in Japan month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånedAvg highAvg lowRegnfallRating
januar10°1°25 mm★★★☆☆
februar12°2°60 mm★★★☆☆
marts14°5°160 mm★★★☆☆
april20°11°147 mm★★★☆☆
maj24°15°194 mm★★★☆☆
juni27°19°278 mm★★★☆☆
juli33°24°120 mm★★★★☆
august33°25°165 mm★★★☆☆
september29°22°333 mm★★★☆☆
oktober23°16°78 mm★★★★☆
november17°9°73 mm★★★★☆
december12°3°27 mm★★★☆☆

Klima type: Kontinental. Kilde: Open-Meteo archive (ERA5).

Bedste rejsetid Japan

Go in juli, oktober and november. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: marts, juni and september - expect the least comfortable mix of heat, cold or rain.

januar★★★☆☆
februar★★★☆☆
marts★★★☆☆
april★★★☆☆
maj★★★☆☆
juni★★★☆☆
juli★★★★☆
august★★★☆☆
september★★★☆☆
oktober★★★★☆
november★★★★☆
december★★★☆☆

What og pack, what og skip

Pack for the next 7 days
  • Layers - the daily swing is 13°C, so mornings feel nothing like afternoons
Worth avoiding
  • Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 60 km/h.
  • If your dates are flexible, avoid marts, juni and september - historically the least comfortable months here.

Se prognosen for Japan efter tidsinterval

Japan weather - more answers

Explore Japan

Every topic we hold for this place, and the same topic for the places around it.

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Frequently asked questions

Where is Japan?

Japan er et land i Asien. Its coordinates are 35.6762, 139.6503. It lies in Asien.

What is the weather like in Japan lige nu?

It is currently 12°C (53°F) med mest klart. Luftfugtighed is 55% and wind is 8 km/h.

When is the best time og visit Japan?

juli, oktober and november offer the most comfortable conditions in Japan, which has a continental climate. marts, juni and september are usually the hardest months for outdoor plans.

What time zone is Japan in?

Japan observes Asia/Tokyo (UTC+09:00). The local time is 7:50 PM.

How many people live in Japan?

Japan has a population of approximately 124 million.

What is the nearest airport og Japan?

The closest airports are Tokyo Haneda Airport (HND), 18 km away, Narita International Airport (NRT), 68 km away and Kansai International Airport (KIX), 424 km away.

What are the top things og do in Japan?

Popular options include Fushimi Inari Taisha, Mount Fuji, Senso-ji Temple, Shibuya Crossing, Fujisan, Sacred Place and Source of Artistic Inspiration and Himeji-jo.

What places are in Japan?

Japan covers 10 places in this atlas, including Osaka, Tokyo, Mount Fuji, Narita International Airport, Fujisan, Sacred Place and Source of Artistic Inspiration and Himeji-jo.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (countries-v1) - coordinates, hierarchy and facts.
Prognose and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated oktober 28, 2026 at 7:50 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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