Kutchan in Fall

In fall (September, October and November), Kutchan sees average daytime highs around 13°C and overnight lows near 5°C, with 366 mm of precipitation over about 47 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 22°C in early September to 2°C by late November. The sky is clear or mostly clear about 20% of the time across fall, and the air most often feels dry.

Fall is Kutchan's 2nd-best season to visit on our travel score. For the whole year in context, see Kutchan's year-round climate.

Avg daytime high
13°C
2nd-warmest season
Avg overnight low
5°C
Precipitation
366 mm
47 wet days
Avg wind
9 km/h
Travel score
3.0
2nd-best season
Months
Sep · Oct · Nov

Temperature in Kutchan in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 22°C in early September to 2°C by late November.

A typical fall day in Kutchan reaches about 13°C and drops to 5°C overnight. The warmest of the three months is September, the coolest November.

-10°10°20°30°SepOctNov

How fall really feels in Kutchan

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 32 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
32
wind chill below the day's low

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Kutchan weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -10°7316.4229.20.0
Feb-3° / -9°6414.719.410.20.0
Mar / -6°7615.516.611.60.0
Apr / 7412.26.713.11.3
May15° / 9012.70.714.44.1
Jun19° / 11°8011.9015.15.6
Jul22° / 16°12813.9014.85.9
Aug23° / 17°17214.9013.85.9
Sep20° / 12°15015.4012.35.3
Oct13° / 10914.60.910.83.3
Nov / -1°10717.112.69.50.4
Dec-2° / -7°9718.821.68.90.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Kutchan gets around 366 mm of rain and snow over 47 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 9 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 hours in early September to 9 h 06 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 2.9 kWh/m².

012345SepOctNov
Planning a trip in fall

Hazard calendar for Kutchan

In seasonPeak

In fall, Kutchan overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Kutchan sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is fall a good time to visit Kutchan?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.0
Sightseeing
2nd-best month of the year
0.9
Beach & pool
2nd-best month of the year

fall is a weaker month for outdoor sightseeing in Kutchan.

What to pack for Kutchan in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Kutchan sees daytime highs around 13°C and nights near 5°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 47 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Kutchan in Fall

The nearest coast averages about 17°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 km away) is warmest in August at about 22°C and coldest in February near 6°C.

It's comfortable for a long swim from Jul 29 to Sep 25 — about 1.9 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb6Bracing
Mar6Bracing
Apr8Bracing
May11Bracing
Jun15Bracing
Jul19Cool
Aug22Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec10Bracing

UV index in Kutchan in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kutchan peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 18UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May8Very high
Jun7High
Jul5Moderate
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Kutchan in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Kutchan is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1219 µg/m³Dec 158 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun12Moderate
Jul11Good
Aug10Good
Sep9Good
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Kutchan?

Kutchan sits at 42.9°N, 140.7°E, 185 m above sea level, in Japan. The nearest listed city is Niseko, 11 km away.

Topography around Kutchan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kutchan.

Within 3 km, the terrain around Kutchan has only modest variations in elevation — a maximum elevation change of 199 m around an average of 214 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,876 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,867 m.

The land around Kutchan is covered by trees (49%) and cropland (30%) within 3 km, trees (80%) within 16 km, and water (48%) and trees (42%) within 80 km.

3 km
199 m
16 km
1,876 m
80 km
1,867 m
treesgrasslandcroplandartificial surfaceswater
Fall weather nearby: Niseko 11 km · Yoichi 34 km · Otaru 38 km · Date 49 km · Sapporo 53 km · Noboribetsu 61 km · Ishikari 62 km · Shiraoi 63 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Kutchan (42.9011°, 140.7406°, elevation 185 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.