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Climate · Nikko

Nikko in September

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

September in Nikko is warm: highs near 71°F, lows near 58°F. Rain falls on about five days a week, and the days shorten by 50 minutes from the first week to the last.September in Nikko is warm: highs near 22°C, lows near 14°C. Rain falls on about five days a week, and the days shorten by 50 minutes from the first week to the last.

High
71°F22°Caverage
Low
58°F14°Caverage
Wet days
5a week · 75% of days
Daylight
12h 20mon average

Is September a good time to visit Nikko?

Yes. September is one of Nikko's best months (June to September).

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 71°F in September, against 34°F to 77°F through the year.Highs near 22°C in September, against 1°C to 25°C through the year.

Chance of a wet day

75% of days in September, against 39% to 88% through the year.

Cloud cover

63% cover in September, against 58% to 71% through the year.

Daylight

12h 20m in September, against 9h 41m to 14h 38m 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. August77°25°low 63°low 17°6 wet days a weekRain on about six days a week.
  2. September71°22°low 58°low 14°5 wet days a weekRain on about five days a week.
  3. October62°17°low 47°low 8°4 wet days a weekRain on about four days a week.

Where Nikko sits, in September

Asia/Tokyo
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
5:23 AMsets 5:52 PM
Above the sea
1,269 mupland
Latitude
36.7°Nnorthern hemisphere
Nearest of ours
Karuizawa91 km south-west

The land around Nikko, 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 Nikko

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Nikko. 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 (1,269 m) against the climate model's (1,117 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 (1,269 m) against the climate model's (1,117 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.