Ibusuki in Fall
In fall (September, October and November), Ibusuki sees average daytime highs around 24°C and overnight lows near 19°C, with 475 mm of rain over about 34 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 29°C in early September to 17°C by late November. The sky is clear or mostly clear about 39% of the time across fall, and the air most often feels dry.
Fall is Ibusuki's best season of the year to visit on our travel score. For the whole year in context, see Ibusuki's year-round climate.
- Avg daytime high
- 24°C
- 2nd-warmest season
- Avg overnight low
- 19°C
- Rainfall
- 475 mm
- 34 wet days
- Avg wind
- 13 km/h
- Travel score
- 6.3
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Ibusuki in Fall
Over the season highs ease from about 29°C in early September to 17°C by late November.
A typical fall day in Ibusuki reaches about 24°C and drops to 19°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Ibusuki
Once humidity and wind are folded in, fall brings about 9 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ibusuki 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 12° / 7° | 88 | 8.4 | 10.2 | 3.5 |
| Feb | 13° / 7° | 108 | 9 | 10.9 | 3.8 |
| Mar | 16° / 10° | 171 | 12.7 | 11.8 | 4.8 |
| Apr | 20° / 14° | 190 | 11.9 | 12.7 | 5.9 |
| May | 23° / 18° | 210 | 11.9 | 13.6 | 6.4 |
| Jun | 26° / 22° | 469 | 20.3 | 14 | 4.8 |
| Jul | 29° / 25° | 262 | 18.3 | 13.8 | 4.3 |
| Aug | 30° / 26° | 182 | 17.8 | 13.1 | 4.1 |
| Sep | 28° / 23° | 224 | 15 | 12.2 | 5.3 |
| Oct | 24° / 19° | 132 | 9.6 | 11.2 | 7.1 |
| Nov | 19° / 14° | 119 | 8.9 | 10.4 | 6.4 |
| Dec | 15° / 9° | 89 | 7.4 | 10 | 4.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 39% of the time across fall.
Chance of precipitation in Fall
Ibusuki gets around 475 mm of rain over 34 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early September to 10 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.7 kWh/m².
Hazard calendar for Ibusuki
In fall, Ibusuki overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Ibusuki sits in the Pacific typhoon belt; the season peaks July–October.
Ibusuki's rainy season runs June–July, when most of the year's rain falls.
Is fall a good time to visit Ibusuki?
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.
fall is a reasonable time to visit Ibusuki for sightseeing.
What to pack for Ibusuki in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Ibusuki sees daytime highs around 24°C and nights near 19°C. Pack light clothes and rain gear. About 34 days see rain.
Sea temperature near Ibusuki in Fall
The nearest coast averages about 25°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 28°C and coldest in February near 18°C.
It's comfortable for a long swim from Apr 17 to Jan 2 — about 8.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 18 | 19 | 20 | 22 | 24 | 27 | 28 | 28 | 26 | 23 | 21 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Tropical | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 18 | Cool |
| Mar | 19 | Cool |
| Apr | 20 | Cool |
| May | 22 | Refreshing |
| Jun | 24 | Refreshing |
| Jul | 27 | Warm |
| Aug | 28 | Tropical |
| Sep | 28 | Warm |
| Oct | 26 | Warm |
| Nov | 23 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Ibusuki in Fall
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 Ibusuki peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 7 | 8 | 8 | 11 | 11 | 9 | 10 | 7 | 5 | 4 |
| Level | Moderate | High | High | Very high | Very high | Extreme | Extreme | Very high | Extreme | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | High |
| Mar | 7 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Extreme |
| Oct | 7 | High |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Ibusuki in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Ibusuki is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 12 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 19 | 22 | 23 | 21 | 17 | 12 | 14 | 12 | 12 | 14 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 19 | Moderate |
| Mar | 22 | Moderate |
| Apr | 23 | Moderate |
| May | 21 | Moderate |
| Jun | 17 | Moderate |
| Jul | 12 | Moderate |
| Aug | 14 | Moderate |
| Sep | 12 | Moderate |
| Oct | 12 | Moderate |
| Nov | 14 | Moderate |
| Dec | 13 | Moderate |
Where is Ibusuki?
Ibusuki sits at 31.2°N, 130.7°E, 2 m above sea level, in Japan. The nearest listed city is Minamikyushu, 22 km away.
Topography around Ibusuki
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ibusuki.
Within 3 km, the terrain around Ibusuki has significant variations in elevation — a maximum elevation change of 308 m around an average of 29 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 917 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,640 m.
The land around Ibusuki is covered by water (50%) and trees (28%) within 3 km, water (66%) and trees (27%) within 16 km, and water (66%) and trees (29%) within 80 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
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 Ibusuki (31.2333°, 130.65°, elevation 2 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.