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Climate · Hakone

Hakone in September

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

September in Hakone is warm: highs near 82°F, lows near 69°F. Rain falls on about four days a week, and the days shorten by 48 minutes from the first week to the last.September in Hakone is warm: highs near 28°C, lows near 21°C. Rain falls on about four days a week, and the days shorten by 48 minutes from the first week to the last.

High
82°F28°Caverage
Low
69°F21°Caverage
Wet days
4a week · 59% of days
Daylight
12h 20mon average

Is September a good time to visit Hakone?

A good month, just outside Hakone's best months, which run in two parts: May to June, or October.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 82°F in September, against 51°F to 87°F through the year.Highs near 28°C in September, against 11°C to 31°C through the year.

Chance of a wet day

59% of days in September, against 34% to 64% through the year.

Cloud cover

57% cover in September, against 32% to 71% through the year.

Daylight

12h 20m in September, against 9h 49m to 14h 29m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August87°31°low 74°low 23°4 wet days a weekRain on about four days a week.
  2. September82°28°low 69°low 21°4 wet days a weekRain on about four days a week.
  3. October74°23°low 61°low 16°4 wet days a weekRain on about four days a week.

Where Hakone sits, in September

Asia/Tokyo
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
5:25 AMsets 5:52 PM
Above the sea
110 mlow-lying
Latitude
35.2°Nnorthern hemisphere
Nearest of ours
Tokyo77 km north-east

The land around Hakone, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Japan in September

high · low · wet days
See September on the planning mapThe whole year in Hakone

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Hakone. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (110 m) against the climate model's (278 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (110 m) against the climate model's (278 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.