Yuanlin in Fall
In fall (September, October and November), Yuanlin sees average daytime highs around 28°C and overnight lows near 23°C, with 241 mm of rain over about 22 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 31°C in early September to 25°C by late November. The sky is clear or mostly clear about 49% of the time across fall, and the air most often feels oppressive.
Fall is Yuanlin's 2nd-best season to visit on our travel score. For the whole year in context, see Yuanlin's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 241 mm
- 22 wet days
- Avg wind
- 13 km/h
- Travel score
- 6.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Yuanlin in Fall
Over the season highs ease from about 31°C in early September to 25°C by late November.
A typical fall day in Yuanlin reaches about 28°C and drops to 23°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Yuanlin
Once humidity and wind are folded in, fall brings about 36 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.
Yuanlin 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 | 20° / 15° | 52 | 7.7 | 10.7 | 7.1 |
| Feb | 21° / 15° | 74 | 9.1 | 11.2 | 6.7 |
| Mar | 23° / 17° | 115 | 11.8 | 11.8 | 6.7 |
| Apr | 26° / 21° | 150 | 13.1 | 12.5 | 6.2 |
| May | 29° / 23° | 228 | 15.6 | 13.1 | 4.9 |
| Jun | 30° / 25° | 287 | 18.6 | 13.5 | 3.6 |
| Jul | 31° / 26° | 230 | 17.5 | 13.3 | 3.5 |
| Aug | 31° / 26° | 287 | 19.9 | 12.8 | 3.5 |
| Sep | 30° / 25° | 144 | 12.1 | 12.1 | 4.7 |
| Oct | 28° / 23° | 55 | 4.8 | 11.4 | 6.8 |
| Nov | 26° / 20° | 43 | 5.3 | 10.8 | 7.7 |
| Dec | 22° / 17° | 50 | 6.1 | 10.5 | 7.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 49% of the time across fall.
Chance of precipitation in Fall
Yuanlin gets around 241 mm of rain over 22 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — 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 30 min in early September to 10 h 36 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 4.5 kWh/m².
Hazard calendar for Yuanlin
In fall, Yuanlin overlaps its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Yuanlin sits in the Pacific typhoon belt; the season peaks July–October.
Yuanlin's monsoon runs April–September, when most of the year's rain falls.
Is fall a good time to visit Yuanlin?
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 Yuanlin for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Yuanlin in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Yuanlin sees daytime highs around 28°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 22 days see rain.
Sea temperature near Yuanlin in Fall
The nearest coast averages about 26°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 28 km away) is warmest in August at about 29°C and coldest in January near 19°C.
It's comfortable for a long swim from Feb 21 to Jan 4 — about 10.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 20 | 22 | 24 | 26 | 28 | 28 | 29 | 28 | 26 | 24 | 21 |
| Comfort | Cool | Cool | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 20 | Cool |
| Mar | 22 | Refreshing |
| Apr | 24 | Warm |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Warm |
| Oct | 26 | Warm |
| Nov | 24 | Warm |
| Dec | 21 | Refreshing |
UV index in Yuanlin in Fall
Clear-sky midday UV across fall averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Yuanlin peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (high).
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) | 6 | 8 | 9 | 8 | 10 | 12 | 11 | 11 | 9 | 7 | 7 | 5 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | Very high |
| Nov | 7 | High |
| Dec | 5 | High |
Air quality in Yuanlin 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 Yuanlin is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (July, 33 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) | 45 | 48 | 56 | 50 | 41 | 34 | 33 | 36 | 41 | 38 | 41 | 39 |
| Level | Poor | Poor | Unhealthy | Poor | Poor | Moderate | Moderate | Poor | Poor | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 45 | Poor |
| Feb | 48 | Poor |
| Mar | 56 | Unhealthy |
| Apr | 50 | Poor |
| May | 41 | Poor |
| Jun | 34 | Moderate |
| Jul | 33 | Moderate |
| Aug | 36 | Poor |
| Sep | 41 | Poor |
| Oct | 38 | Poor |
| Nov | 41 | Poor |
| Dec | 39 | Poor |
Where is Yuanlin?
Yuanlin sits at 24.0°N, 120.6°E, 42 m above sea level, in Taiwan. The nearest listed city is Yongjing, 5.0 km away.
Topography around Yuanlin
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yuanlin.
Within 3 km, the terrain around Yuanlin has only modest variations in elevation — a maximum elevation change of 66 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 441 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,887 m.
The land around Yuanlin is covered by artificial surfaces (58%), trees (22%) and cropland (20%) within 3 km, trees (37%), cropland (34%) and artificial surfaces (27%) within 16 km, and trees (51%) and water (28%) within 80 km.
Taiwan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 110 / 220 V · 60 Hz
- Happiness
- 6.7 / 10
- World Happiness, 2025
- 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 Yuanlin (23.9567°, 120.5761°, elevation 42 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.