SeasonScore
Lake Kawaguchiko (Mt Fuji), Japan
Photo: Davide Mauro · CC BY-SA 4.0

Japan

Lake Kawaguchiko (Mt Fuji) in September

🌀 Late summer / typhoon season

Pleasant and very wet. Watch for tropical cyclone risk.

🎒 Pack: compact umbrella or rain jacket

Best months: May (9.0), Jun (8.9), Apr (8.8)

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Why September scores 8.3What goes into the score

How it works
🌡️ 24° / 15°C🌧️ 265 mm💧 dew pt 16°🍃 PM2.5 8
  • Weather comfort7.7
    • ✓Comfortable temperatures (24°C highs / 15°C lows)
    • ✓Slightly humid (dew point 16°C)
    • !Wet: ~265 mm rain, ~8 heavy-rain days
  • Air quality9.6
    • ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
  • Seasonal hazards8.0
    • !Tropical cyclone: Peak of the Western Pacific typhoon season
    • !Flood: ~8 heavy-rain days in an average September
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut September side by side with another month
SepMay
Score8.3 Very good9.0 Excellent
Season🌀 Late summer / typhoon season🌿 Late spring
High / low24° / 15°21° / 9°
Rain265 mm123 mm
Humiditydew pt 16°dew pt 10°
PM2.58 µg/m³11 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Kawaguchiko weather-station normals. Rainfall: Kawaguchiko weather-station normals (national met service).

Holidays & crowdsSeptember 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Silver Week 18–20 Sep · 3 days off in a row

Other public holidays: Autumnal Equinox Day (23 Sep)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Lake Kawaguchiko (Mt Fuji)

  • Snowy daysTypical dates
    Snow likely Dec–Apr (most in Feb: ~10 days)

    Average number of days with snowfall at Kawaguchiko. About 28 cm of snow falls in an average Feb.

    Source: Kawaguchiko weather-station normals (national weather service, via Wikipedia climate table)

Explore Lake Kawaguchiko (Mt Fuji)Events, sights, food & souvenirs

Check event dates locally

The most visited of the Fuji Five Lakes, a resort area at the northern foot of Mt Fuji known for lake views of the mountain, onsen and seasonal flowers.

Events in September

No major events on our calendar for September.

Coming up later

Fuji Kawaguchiko Autumn Leaves FestivalDate variesUsually early to mid-November

Maple trees along a lakeside corridor are lit up at night during peak autumn colour.

Why go: Peak colour timing varies by year; check foliage reports before going.

Where: Momiji Corridor on the north shore of Lake Kawaguchi

Fuji Shibazakura FestivalDate variesUsually mid-April to late May

Fields of pink moss phlox in bloom with Mt Fuji as a backdrop.

Why go: Weekends and Golden Week bring heavy traffic; go on a weekday morning if you can.

Where: Near Lake Motosu, west of Kawaguchiko

Yoshida Fire FestivalEvery year26–27 August every year

Tall torches are lit along the main street to mark the end of the Mt Fuji climbing season.

Why go: It is in neighbouring Fujiyoshida, a short bus or train ride from Kawaguchiko.

Where: Fujiyoshida, near Kitaguchi Hongū Fuji Sengen Shrine

Plan this tripTickets, data and transfers for Lake Kawaguchiko (Mt Fuji)

Airport transfer Kiwitaxi

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