Funaishikawa in Fall

In fall (September, October and November), Funaishikawa sees average daytime highs around 20°C and overnight lows near 15°C, with 472 mm of rain over about 37 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.

Over the season highs ease from about 27°C in early September to 13°C by late November. The sky is clear or mostly clear about 32% of the time across fall, and the air most often feels dry.

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

Avg daytime high
20°C
2nd-warmest season
Avg overnight low
15°C
Rainfall
472 mm
37 wet days
Avg wind
10 km/h
Travel score
5.5
best season of the year
Months
Sep · Oct · Nov

Temperature in Funaishikawa in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 27°C in early September to 13°C by late November.

A typical fall day in Funaishikawa reaches about 20°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 Funaishikawa

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

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

fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Funaishikawa 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 / 637.31.59.81.4
Feb / 637.3210.61.5
Mar11° / 11512.51.211.72.7
Apr16° / 12111.90.212.94.5
May20° / 14°14412.5013.95.8
Jun23° / 18°15114.7014.45.6
Jul27° / 22°17816014.25.4
Aug28° / 23°13114013.45.4
Sep25° / 20°17914.7012.25.8
Oct20° / 15°19612.7011.15.9
Nov15° / 989.5010.14.7
Dec10° / 647.60.39.62.6

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Funaishikawa gets around 472 mm of rain over 37 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 10 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 48 min in early September to 9 h 42 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 3.1 kWh/m².

012345SepOctNov
Planning a trip in fall

Hazard calendar for Funaishikawa

In seasonPeak

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

Funaishikawa 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 Funaishikawa?

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.

5.5
Sightseeing
1st-best month of the year
2.9
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Funaishikawa for sightseeing.

What to pack for Funaishikawa in Fall

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

In fall, Funaishikawa sees daytime highs around 20°C and nights near 15°C. Pack rain gear. Worth having: light clothes and a warm layer. About 37 days see rain.

rain gearlight clothesa warm layer

Sea temperature near Funaishikawa in Fall

The nearest coast averages about 21°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 24°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 24 to Oct 28 — about 4.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun19Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Funaishikawa in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Funaishikawa peaks around July 24 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 24UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Funaishikawa 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 Funaishikawa is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug13Moderate
Sep11Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Funaishikawa?

Funaishikawa sits at 36.5°N, 140.6°E, 32 m above sea level, in Japan. The nearest listed city is Tokai, 1.0 km away.

Topography around Funaishikawa

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

Within 3 km, the terrain around Funaishikawa has only modest variations in elevation — a maximum elevation change of 50 m around an average of 24 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 548 m; within 80 km, large variations in elevation — a maximum elevation change of 1,005 m.

The land around Funaishikawa is covered by artificial surfaces (41%), cropland (26%) and trees (25%) within 3 km, water (31%), trees (24%) and artificial surfaces (23%) within 16 km, and trees (42%) and water (27%) within 80 km.

3 km
50 m
16 km
548 m
80 km
1,005 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Tokai 1.0 km · Inada 6.0 km · Hitachi-Naka 8.0 km · Katsuta 10 km · Hitachi-ota 10 km · Ōmiya 16 km · Ishitsuka 17 km · Hitachi 17 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 Funaishikawa (36.4667°, 140.5667°, elevation 32 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.