Sashiki in Fall

In fall (September, October and November), Sashiki sees average daytime highs around 23°C and overnight lows near 15°C, with 389 mm of rain over about 31 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 30°C in early September to 16°C by late November. The sky is clear or mostly clear about 38% of the time across fall, and the air most often feels dry.

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

Avg daytime high
23°C
2nd-warmest season
Avg overnight low
15°C
Rainfall
389 mm
31 wet days
Avg wind
8 km/h
Travel score
6.2
best season of the year
Months
Sep · Oct · Nov

Temperature in Sashiki in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 30°C in early September to 16°C by late November.

A typical fall day in Sashiki reaches about 23°C and drops to 15°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°SepOctNov

How fall really feels in Sashiki

Once humidity and wind are folded in, fall brings about 7 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
7
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sashiki 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
Jan10° / 7810110.12.4
Feb12° / 9810.10.510.83.0
Mar15° / 14013.10.111.84.4
Apr20° / 11°16512012.85.8
May24° / 16°18912.2013.66.4
Jun26° / 20°48218.9014.14.9
Jul30° / 24°37019.4013.93.9
Aug31° / 24°17616.4013.23.8
Sep28° / 21°18113.5012.25.3
Oct24° / 15°1058.6011.27.2
Nov18° / 10°1038.9010.36.0
Dec13° / 878.90.49.93.6

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Sashiki gets around 389 mm of rain over 31 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 42 min in early September to 10 hours 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 3.6 kWh/m².

012345SepOctNov
Planning a trip in fall

Hazard calendar for Sashiki

In seasonPeak

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

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

Sashiki's rainy season runs June–July, when most of the year's rain falls.

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

Is fall a good time to visit Sashiki?

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.

6.2
Sightseeing
1st-best month of the year
4.7
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Sashiki for sightseeing.

What to pack for Sashiki in Fall

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

In fall, Sashiki sees daytime highs around 23°C and nights near 15°C. Pack light clothes. Worth having: rain gear. About 31 days see rain.

light clothesrain gear

Sea temperature near Sashiki in Fall

The nearest coast averages about 24°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 23 km away) is warmest in August at about 28°C and coldest in February near 16°C.

It's comfortable for a long swim from May 16 to Dec 4 — about 6.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar17Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct24Warm
Nov22Refreshing
Dec19Cool

UV index in Sashiki in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sashiki peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Sashiki 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 Sashiki is worst in March — around 24 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2424 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar24Moderate
Apr24Moderate
May22Moderate
Jun18Moderate
Jul13Moderate
Aug14Moderate
Sep14Moderate
Oct14Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Sashiki?

Sashiki sits at 32.3°N, 130.5°E, 25 m above sea level, in Japan. The nearest listed city is Minamata, 14 km away.

Topography around Sashiki

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

Within 3 km, the terrain around Sashiki has significant variations in elevation — a maximum elevation change of 365 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 935 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,718 m.

The land around Sashiki is covered by trees (77%) within 3 km, trees (61%) and water (34%) within 16 km, and trees (56%) and water (34%) within 80 km.

3 km
365 m
16 km
935 m
80 km
1,718 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Minamata 14 km · Honmachi 24 km · Hitoyoshi 25 km · Izumi 27 km · Isa 28 km · Ōkuchi-shinohara 28 km · Ōyanomachi-noboritate 33 km · Amakusa 34 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 Sashiki (32.3017°, 130.5038°, elevation 25 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.