When to go · Hakone

Hakone in September

Mixed month. Outside the best window (Oct–Feb for Fuji views; Apr–May and Nov for walking). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Key facts

Verdict: Mixed
Temperature: 23°C (73°F)73°F (23°C) / 16°C (61°F)61°F (16°C); average high / low
Rain days: 13
Crowds: Medium; Japan overall
Prices: Medium; Japan overall

Plan around it

Verdict

MixedJapan month rating

Outside the best window (Oct–Feb for Fuji views; Apr–May and Nov for walking). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Is another month better than September?

September is rated mixed. These months rate higher:

Weather in September

Long-term averages

HakoneHighs around 23 °C (73 °F), lows around 16 °C (61 °F), rain on about 13 daysHighs around 73 °F (23 °C), lows around 61 °F (16 °C), rain on about 13 days

Crowds and prices

Crowds · Japan overall: Medium
Prices · Japan overall: Medium

Japan overall: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Compare two months

Weather, crowds and prices for any two months in Hakone, side by side.

First month

Second month

Verdict
Sep: Mixed
Jan: Great (better)
Daytime high
Sep: 23 °C (73 °F)73 °F (23 °C)
Jan: 6 °C (43 °F)43 °F (6 °C)
Night low
Sep: 16 °C (61 °F)61 °F (16 °C)
Jan: -3 °C (27 °F)27 °F (-3 °C)
Rain days
Sep: 13
Jan: 6 (better)
Crowds
Sep: Medium
Jan: Low
Prices
Sep: Medium
Jan: Low
Festivals listed
Sep: 0
Jan: 1

September: Outside the best window (Oct–Feb for Fuji views; Apr–May and Nov for walking). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.

January: Inside Hakone's best window: Oct–Feb for Fuji views; Apr–May and Nov for walking.

Hakone: figures are long-term averages from this guide, not a forecast.

What to pack

A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Japan in September →