Ōzu in Fall

In fall (September, October and November), Ōzu sees average daytime highs around 23°C and overnight lows near 15°C, with 391 mm of rain over about 30 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 31°C in early September to 15°C by late November. The sky is clear or mostly clear about 40% of the time across fall, and the air most often feels dry.

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

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

Temperature in Ōzu in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 31°C in early September to 15°C by late November.

A typical fall day in Ōzu 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 Ōzu

Once humidity and wind are folded in, fall brings about 8 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
8
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.

Ōzu 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° / 63101.4102.2
Feb11° / 749.81.310.82.7
Mar15° / 11311.90.211.74.2
Apr20° / 11°12510.6012.86.1
May24° / 15°14610.8013.76.7
Jun27° / 19°26314.9014.25.5
Jul30° / 24°21014.90144.1
Aug32° / 24°13112.7013.23.7
Sep29° / 21°17212.7012.25.3
Oct23° / 15°1388.4011.27.2
Nov18° / 818.5010.36.0
Dec12° / 7810.30.69.83.4

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Ōzu gets around 391 mm of rain over 30 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 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.

024SepOctNov
Planning a trip in fall

Hazard calendar for Ōzu

In seasonPeak

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

Ōzu 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 Ōzu?

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 Ōzu for sightseeing.

What to pack for Ōzu in Fall

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

In fall, Ōzu sees daytime highs around 23°C and nights near 15°C. Pack light clothes. Worth having: rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Ōzu in Fall

The nearest coast averages about 23°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 14°C.

It's comfortable for a long swim from Jun 11 to Nov 19 — about 5.3 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar14Bracing
Apr15Cool
May17Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Ōzu 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 Ōzu peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 23UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Ōzu 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 Ōzu is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1523 µg/m³Oct 1711 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr23Moderate
May21Moderate
Jun19Moderate
Jul15Moderate
Aug15Moderate
Sep12Moderate
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Ōzu?

Ōzu sits at 33.5°N, 132.6°E, 27 m above sea level, in Japan. The nearest listed city is Uchiko, 11 km away.

Topography around Ōzu

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

Within 3 km, the terrain around Ōzu has significant variations in elevation — a maximum elevation change of 393 m around an average of 101 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 971 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,895 m.

The land around Ōzu is covered by trees (75%) within 3 km, trees (85%) within 16 km, and water (52%) and trees (45%) within 80 km.

3 km
393 m
16 km
971 m
80 km
1,895 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Uchiko 11 km · Yawatahama 12 km · Uwa 15 km · Uwajima 31 km · Iyo 31 km · Masaki-chō 35 km · Haramachi 37 km · Matsuyama 43 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 Ōzu (33.5°, 132.55°, elevation 27 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.