Castelo Branco in Fall
In fall (September, October and November), Castelo Branco sees average daytime highs around 22°C and overnight lows near 12°C, with 194 mm of rain over about 22 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 30°C in early September to 14°C by late November. The sky is clear or mostly clear about 44% of the time across fall, and the air most often feels dry.
Fall is Castelo Branco's 2nd-best season to visit on our travel score. For the whole year in context, see Castelo Branco's year-round climate.
- Avg daytime high
- 22°C
- 2nd-warmest season
- Avg overnight low
- 12°C
- Rainfall
- 194 mm
- 22 wet days
- Avg wind
- 9 km/h
- Travel score
- 6.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Castelo Branco in Fall
Over the season highs ease from about 30°C in early September to 14°C by late November.
A typical fall day in Castelo Branco reaches about 22°C and drops to 12°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Castelo Branco
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Castelo Branco 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 | 13° / 5° | 62 | 8.2 | 9.5 | 3.7 |
| Feb | 15° / 5° | 49 | 6.4 | 10.4 | 4.8 |
| Mar | 18° / 8° | 58 | 7.4 | 11.7 | 6.2 |
| Apr | 20° / 9° | 53 | 8.1 | 13 | 6.6 |
| May | 24° / 12° | 51 | 7 | 14.2 | 7.5 |
| Jun | 29° / 15° | 10 | 2.5 | 14.8 | 7.0 |
| Jul | 32° / 18° | 4 | 1.3 | 14.5 | 5.1 |
| Aug | 32° / 18° | 6 | 1.4 | 13.6 | 5.2 |
| Sep | 28° / 16° | 34 | 4.6 | 12.3 | 7.1 |
| Oct | 22° / 12° | 83 | 8.9 | 10.9 | 6.9 |
| Nov | 16° / 8° | 77 | 8.3 | 9.8 | 5.4 |
| Dec | 13° / 6° | 75 | 8.3 | 9.2 | 3.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 44% of the time across fall.
Chance of precipitation in Fall
Castelo Branco gets around 194 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 dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 9 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 54 min in early September to 9 h 24 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 3.6 kWh/m².
Is fall a good time to visit Castelo Branco?
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 Castelo Branco for sightseeing.
What to pack for Castelo Branco in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Castelo Branco sees daytime highs around 22°C and nights near 12°C. Pack light clothes. Worth having: a warm layer, rain gear and sun protection. About 22 days see rain.
UV index in Castelo Branco 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 Castelo Branco peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 | 6 | 7 | 7 | 9 | 9 | 9 | 6 | 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 | 6 | High |
| Apr | 7 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Castelo Branco 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 Castelo Branco is worst in August — around 21 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (November, 6 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) | 8 | 10 | 12 | 10 | 8 | 9 | 12 | 21 | 10 | 14 | 6 | 7 |
| Level | Good | Good | Moderate | Good | Good | Good | Good | Moderate | Good | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 10 | Good |
| Mar | 12 | Moderate |
| Apr | 10 | Good |
| May | 8 | Good |
| Jun | 9 | Good |
| Jul | 12 | Good |
| Aug | 21 | Moderate |
| Sep | 10 | Good |
| Oct | 14 | Moderate |
| Nov | 6 | Good |
| Dec | 7 | Good |
Where is Castelo Branco?
Castelo Branco sits at 39.8°N, 7.5°W, 371 m above sea level, in Portugal. The nearest listed city is Covilhã, 51 km away.
Topography around Castelo Branco
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Castelo Branco.
Within 3 km, the terrain around Castelo Branco has only modest variations in elevation — a maximum elevation change of 184 m around an average of 362 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 363 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,974 m.
The land around Castelo Branco is covered by grassland (48%), trees (27%) and artificial surfaces (21%) within 3 km, grassland (49%) and trees (39%) within 16 km, and grassland (50%) and trees (43%) 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 Castelo Branco (39.8236°, -7.491°, elevation 371 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.