Uwa in Fall

In fall (September, October and November), Uwa sees average daytime highs around 23°C and overnight lows near 16°C, with 401 mm of rain over about 29 wet days across the season. It is the 2nd-warmest season and the 2nd-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 42% of the time across fall, and the air most often feels dry.

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

Avg daytime high
23°C
2nd-warmest season
Avg overnight low
16°C
Rainfall
401 mm
29 wet days
Avg wind
10 km/h
Travel score
6.3
best season of the year
Months
Sep · Oct · Nov

Temperature in Uwa 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 Uwa reaches about 23°C and drops to 16°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°SepOctNov

How fall really feels in Uwa

Once humidity and wind are folded in, fall brings about 6 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
6
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.

Uwa 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° / 608.61.1102.5
Feb11° / 748.90.810.82.9
Mar15° / 11211.10.111.74.4
Apr19° / 11°12910.4012.86.1
May24° / 16°15010.4013.76.7
Jun26° / 20°27315.4014.25.5
Jul30° / 24°20113.80144.5
Aug31° / 24°13712.8013.24.0
Sep28° / 21°17812.7012.25.5
Oct23° / 16°1418.7011.27.2
Nov18° / 10°837.9010.36.2
Dec13° / 748.80.39.83.7

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Uwa gets around 401 mm of rain over 29 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 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 Uwa

In seasonPeak

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

Uwa 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 Uwa?

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.

6.3
Sightseeing
1st-best month of the year
4.7
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Uwa for sightseeing.

What to pack for Uwa in Fall

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

In fall, Uwa sees daytime highs around 23°C and nights near 16°C. Pack light clothes. Worth having: rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Uwa 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 13 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 3 to Nov 25 — about 5.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Uwa 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 Uwa peaks around June 22 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 22UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May8Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Uwa 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 Uwa is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1420 µg/m³Oct 1410 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Uwa?

Uwa sits at 33.4°N, 132.5°E, 215 m above sea level, in Japan. The nearest listed city is Yawatahama, 13 km away.

Topography around Uwa

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

Within 3 km, the terrain around Uwa has significant variations in elevation — a maximum elevation change of 390 m around an average of 296 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 902 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,895 m.

The land around Uwa is covered by trees (69%) within 3 km, trees (70%) and water (23%) within 16 km, and water (54%) and trees (43%) within 80 km.

3 km
390 m
16 km
902 m
80 km
1,895 m
treesgrasslandcroplandartificial surfaceswater
Fall weather nearby: Yawatahama 13 km · Ōzu 15 km · Uwajima 16 km · Uchiko 24 km · Mishōhirajō 45 km · Iyo 46 km · Masaki-chō 51 km · Haramachi 52 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 Uwa (33.3645°, 132.5127°, elevation 215 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.