Arouca in Fall
In fall (September, October and November), Arouca sees average daytime highs around 19°C and overnight lows near 10°C, with 463 mm of rain over about 35 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 25°C in early September to 13°C by late November. The sky is clear or mostly clear about 37% of the time across fall, and the air most often feels dry.
Fall is Arouca's 2nd-best season to visit on our travel score. For the whole year in context, see Arouca's year-round climate.
- Avg daytime high
- 19°C
- 2nd-warmest season
- Avg overnight low
- 10°C
- Rainfall
- 463 mm
- 35 wet days
- Avg wind
- 8 km/h
- Travel score
- 5.6
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Arouca in Fall
Over the season highs ease from about 25°C in early September to 13°C by late November.
A typical fall day in Arouca reaches about 19°C and drops to 10°C overnight. The warmest of the three months is September, the coolest November.
Arouca 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 | 11° / 4° | 182 | 12.5 | 9.4 | 2.7 |
| Feb | 13° / 5° | 124 | 9.9 | 10.4 | 3.5 |
| Mar | 16° / 6° | 142 | 11.7 | 11.7 | 4.6 |
| Apr | 17° / 8° | 148 | 13.7 | 13.1 | 5.0 |
| May | 20° / 10° | 129 | 13.1 | 14.3 | 5.9 |
| Jun | 23° / 13° | 56 | 7.9 | 14.9 | 7.3 |
| Jul | 26° / 15° | 30 | 5 | 14.6 | 8.1 |
| Aug | 26° / 15° | 38 | 5.3 | 13.6 | 7.9 |
| Sep | 23° / 13° | 83 | 8.2 | 12.3 | 7.3 |
| Oct | 19° / 11° | 197 | 13.4 | 10.9 | 5.7 |
| Nov | 14° / 7° | 183 | 13.1 | 9.7 | 3.9 |
| Dec | 12° / 5° | 197 | 12.5 | 9.1 | 2.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 37% of the time across fall.
Chance of precipitation in Fall
Arouca gets around 463 mm of rain over 35 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 8 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early September to 9 h 18 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 3.4 kWh/m².
Hazard calendar for Arouca
In fall, Arouca overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Arouca's rainy season runs October–May, when most of the year's rain falls.
Is fall a good time to visit Arouca?
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 Arouca for sightseeing.
What to pack for Arouca in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Arouca sees daytime highs around 19°C and nights near 10°C. Worth packing: light clothes, a warm layer, rain gear and sun protection. About 35 days see rain.
Sea temperature near Arouca in Fall
The nearest coast averages about 17°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 39 km away) is warmest in September at about 17°C and coldest in February near 13°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 14 | 14 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 14 | Bracing |
| Apr | 14 | Bracing |
| May | 16 | Cool |
| Jun | 17 | Cool |
| Jul | 17 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 17 | Cool |
| Nov | 16 | Cool |
| Dec | 14 | Bracing |
UV index in Arouca in Fall
Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arouca peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 7 | 9 | 9 | 8 | 5 | 5 | 2 | 2 |
| Level | Low | Moderate | High | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Arouca 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 Arouca is worst in August — around 25 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (November, 7 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) | 10 | 11 | 14 | 12 | 8 | 9 | 9 | 25 | 24 | 18 | 7 | 7 |
| Level | Good | Good | Moderate | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 14 | Moderate |
| Apr | 12 | Moderate |
| May | 8 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 25 | Moderate |
| Sep | 24 | Moderate |
| Oct | 18 | Moderate |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Arouca?
Arouca sits at 40.9°N, 8.2°W, 313 m above sea level, in Portugal. The nearest listed city is São João da Madeira, 21 km away.
Topography around Arouca
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arouca.
Within 3 km, the terrain around Arouca has significant variations in elevation — a maximum elevation change of 542 m around an average of 452 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,202 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.
The land around Arouca is covered by trees (65%) and grassland (27%) within 3 km, trees (62%) and grassland (34%) within 16 km, and trees (42%) and grassland (33%) within 80 km.
Portugal travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $32,082
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2022
- Road deaths
- 8.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 612
- 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 Arouca (40.9306°, -8.2449°, elevation 313 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.