Ichinoseki in Fall

In fall (September, October and November), Ichinoseki sees average daytime highs around 18°C and overnight lows near 10°C, with 336 mm of precipitation over about 33 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 26°C in early September to 9°C by late November. The sky is clear or mostly clear about 26% of the time across fall, and the air most often feels dry.

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

Avg daytime high
18°C
2nd-warmest season
Avg overnight low
10°C
Precipitation
336 mm
33 wet days
Avg wind
8 km/h
Travel score
5.0
2nd-best season
Months
Sep · Oct · Nov

Temperature in Ichinoseki in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 26°C in early September to 9°C by late November.

A typical fall day in Ichinoseki reaches about 18°C and drops to 10°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°SepOctNov

How fall really feels in Ichinoseki

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 11 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
11
wind chill below the day's low

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

Ichinoseki 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 / -3°508.77.89.60.0
Feb / -3°468.26.610.50.1
Mar / -0°8711.75.411.71.5
Apr14° / 9211.61134.1
May19° / 10°10411.6014.15.8
Jun22° / 15°11512.1014.76.0
Jul26° / 19°15615.9014.45.5
Aug27° / 21°14214.8013.55.5
Sep24° / 17°14912.9012.36.0
Oct18° / 10°12210.30115.7
Nov12° / 649.40.99.93.2
Dec / -1°5810.15.49.30.5

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Ichinoseki gets around 336 mm of rain and snow over 33 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 8 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 54 min in early September to 9 h 30 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 3.0 kWh/m².

01234SepOctNov
Planning a trip in fall

Hazard calendar for Ichinoseki

In seasonPeak

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

Ichinoseki 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 Ichinoseki?

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.

5.0
Sightseeing
2nd-best month of the year
2.3
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Ichinoseki for sightseeing.

What to pack for Ichinoseki in Fall

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

In fall, Ichinoseki sees daytime highs around 18°C and nights near 10°C. Pack a warm layer. Worth having: light clothes and rain gear. About 33 days see rain.

a warm layerlight clothesrain gear

Sea temperature near Ichinoseki in Fall

The nearest coast averages about 19°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 43 km away) is warmest in August at about 22°C and coldest in March near 7°C.

It's comfortable for a long swim from Jul 21 to Oct 3 — about 2.5 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb8Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun17Cool
Jul20Cool
Aug22Refreshing
Sep22Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Ichinoseki in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ichinoseki peaks around August 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highVery highModerateLowAug 18UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul6High
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Ichinoseki 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 Ichinoseki is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1620 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Ichinoseki?

Ichinoseki sits at 38.9°N, 141.1°E, 30 m above sea level, in Japan. The nearest listed city is Kurihara, 22 km away.

Topography around Ichinoseki

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

Within 3 km, the terrain around Ichinoseki has only modest variations in elevation — a maximum elevation change of 150 m around an average of 63 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 590 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,889 m.

The land around Ichinoseki is covered by trees (52%) and artificial surfaces (35%) within 3 km, trees (74%) within 16 km, and trees (64%) within 80 km.

3 km
150 m
16 km
590 m
80 km
1,889 m
treesgrasslandcroplandartificial surfaceswater
Fall weather nearby: Kurihara 22 km · Tome 23 km · Mizusawa 24 km · Ōshū 25 km · Kanegasaki 32 km · Kesennuma 38 km · Ōsaki 39 km · Kitakami 41 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 Ichinoseki (38.9167°, 141.1333°, elevation 30 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.