Ikegami in Fall

In fall (September, October and November), Ikegami sees average daytime highs around 21°C and overnight lows near 17°C, with 482 mm of rain over about 36 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 28°C in early September to 14°C by late November. The sky is clear or mostly clear about 36% of the time across fall, and the air most often feels dry.

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

Avg daytime high
21°C
2nd-warmest season
Avg overnight low
17°C
Rainfall
482 mm
36 wet days
Avg wind
15 km/h
Travel score
5.8
best season of the year
Months
Sep · Oct · Nov

Temperature in Ikegami in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 28°C in early September to 14°C by late November.

A typical fall day in Ikegami reaches about 21°C and drops to 17°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°SepOctNov

How fall really feels in Ikegami

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.

Ikegami 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 / 7270.99.92.2
Feb10° / 707.81.410.72.3
Mar13° / 12712.20.611.73.4
Apr17° / 12°11511.8012.95.1
May21° / 16°12811.1013.96.2
Jun24° / 20°16412.7014.46.0
Jul27° / 23°14112.1014.25.8
Aug29° / 25°10210.6013.35.5
Sep26° / 22°17513.4012.26.0
Oct21° / 17°21012.8011.16.2
Nov16° / 11°9710010.15.2
Dec12° / 637.40.19.63.4

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Ikegami gets around 482 mm of rain over 36 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 15 km/h across fall.

05101520SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 48 min in early September to 9 h 48 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.

012345SepOctNov
Planning a trip in fall

Hazard calendar for Ikegami

In seasonPeak

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

Ikegami 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 Ikegami?

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.

5.8
Sightseeing
1st-best month of the year
3.5
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Ikegami for sightseeing.

What to pack for Ikegami in Fall

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

In fall, Ikegami sees daytime highs around 21°C and nights near 17°C. Pack rain gear. Worth having: light clothes and a warm layer. About 36 days see rain.

rain gearlight clothesa warm layer

Sea temperature near Ikegami in Fall

The nearest coast averages about 22°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 16 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Ikegami 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 Ikegami peaks around July 20 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 20UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Ikegami 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 Ikegami is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1525 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb25Moderate
Mar23Moderate
Apr26Moderate
May21Moderate
Jun18Moderate
Jul13Moderate
Aug12Moderate
Sep12Moderate
Oct14Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is Ikegami?

Ikegami sits at 35.6°N, 139.7°E, 8 m above sea level, in Japan. The nearest listed city is Ōta, 2.0 km away.

Topography around Ikegami

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

Within 3 km, the terrain around Ikegami has only modest variations in elevation — a maximum elevation change of 39 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,064 m.

The land around Ikegami is covered by artificial surfaces (90%) within 3 km, artificial surfaces (63%) and water (28%) within 16 km, and trees (35%), artificial surfaces (25%) and water (25%) within 80 km.

3 km
39 m
16 km
100 m
80 km
2,064 m
treesgrasslandcroplandartificial surfaceswater
Fall weather nearby: Ōta 2.0 km · Kamata 2.0 km · Minami-ōi 3.0 km · Nakanobu 3.0 km · Togoshi 4.0 km · Ebara 4.0 km · Den’enchōfu 4.0 km · Higashigotanda 6.0 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 Ikegami (35.5767°, 139.7052°, elevation 8 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.