Japan
Hakone in September
🌀 Late summer / typhoon seasonPleasant, a little humid and very wet. Watch for tropical cyclone risk.
🎒 Pack: compact umbrella or rain jacket
Why September scores 8.0What goes into the score
How it works- Weather comfort7.3
- ✓Comfortable temperatures (24°C highs / 19°C lows)
- !Humid (dew point 18.8°C)
- !Wet: ~278 mm rain, ~8 heavy-rain days
- Air quality9.2
- ✓Good (within WHO guideline) (PM2.5 ~10 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
| Sep | May | |
|---|---|---|
| Score | 8.0 Very good | 8.7 Excellent |
| Season | 🌀 Late summer / typhoon season | 🌿 Late spring |
| High / low | 24° / 19° | 20° / 12° |
| Rain | 278 mm | 193 mm |
| Humidity | dew pt 19° | dew pt 12° |
| PM2.5 | 10 µg/m³ | 14 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Hakone weather-station normals. Rainfall: Hakone weather-station normals (national met service).
Holidays & crowdsSeptember 2027
Long weekendThere'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 Hakone
- Autumn leaves: Hakone Museum of ArtTypical datesUsually mid-Nov to late-Nov
Usual peak viewing window for this spot.
- Autumn leaves: Hakone Gora ParkTypical datesUsually late-Nov to early-Dec
Usual peak viewing window for this spot.
Explore HakoneEvents, sights, food & souvenirs
Check event dates locallyA mountain hot-spring resort area near Mount Fuji, popular from Tokyo for onsen, Lake Ashi cruises, volcanic scenery and art museums.
No major events on our calendar for September.
Coming up later
Hakone Daimyo GyoretsuEvery year3 November every year
A costumed procession re-enacting a feudal lord's journey along the Tokaido.
Why go: Falls on Culture Day, a national holiday, so the area is busy.
Where: Hakone-Yumoto
Autumn leavesDate variesUsually early to late November
Maples and other trees turn red and gold across the mountains.
Why go: Weekends are very crowded; travel on weekdays if you can.
Where: Throughout Hakone
Hakone EkidenEvery year2 to 3 January every year
A famous university relay race televised nationwide, with the turnaround at Lake Ashi.
Why go: Roads along the route close and crowds line the course.
Where: Route between Tokyo and Lake Ashi
Lake Ashi
A crater lake with sightseeing boats and, on clear days, views of Mount Fuji.
💡 Fuji views are most likely on clear winter mornings.
Hakone Shrine
A forest shrine known for its red torii gate standing in the waters of Lake Ashi.
Owakudani
A volcanic valley with steaming vents and sulphur, reached by the Hakone Ropeway.
💡 Access can be restricted when volcanic gas levels rise; check before going.
Hakone Open-Air Museum
An outdoor sculpture park with works by modern artists and a Picasso pavilion.
Hakone Tozan Railway
A mountain railway that climbs through switchbacks, lined with hydrangeas in early summer.
Old Tokaido Road
A preserved stretch of the old Edo-period highway with cedar trees and stone paving.
Kuro-tamago
Eggs boiled in Owakudani's hot springs, whose shells turn black.
💡 Owakudani
Yuba
Tofu skin, served in various dishes and set meals.
💡 Restaurants in Hakone-Yumoto
Soba
Buckwheat noodles served hot or cold.
💡 Hakone-Yumoto
Onsen manju
Steamed buns with sweet bean filling, sold in hot-spring towns.
Yosegi-zaiku
Traditional Hakone wood marquetry, including famous secret puzzle boxes.
Kamaboko
Fish cakes from nearby Odawara, a well-known regional speciality.
💡 Odawara and Hakone-Yumoto shops
Kuro-tamago
Black eggs and themed snacks.
💡 Owakudani