Carnaxide in Fall

In fall (September, October and November), Carnaxide sees average daytime highs around 20°C and overnight lows near 15°C, with 188 mm of rain over about 23 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 24°C in early September to 15°C by late November. The sky is clear or mostly clear about 47% of the time across fall, and the air most often feels dry.

Fall is Carnaxide's 2nd-best season to visit on our travel score. For the whole year in context, see Carnaxide's year-round climate.

Avg daytime high
20°C
2nd-warmest season
Avg overnight low
15°C
Rainfall
188 mm
23 wet days
Avg wind
16 km/h
Travel score
6.8
2nd-best season
Months
Sep · Oct · Nov

Temperature in Carnaxide in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 24°C in early September to 15°C by late November.

A typical fall day in Carnaxide reaches about 20°C and drops to 15°C overnight. The warmest of the three months is September, the coolest November.

10°15°20°25°30°SepOctNov

Carnaxide 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 daysDaylight (hours)Travel score
Jan14° / 10°688.99.64.2
Feb15° / 10°517.510.54.6
Mar16° / 11°538.111.75.5
Apr17° / 12°518.4136.0
May19° / 14°425.914.17.1
Jun22° / 16°102.114.78.4
Jul24° / 18°20.614.49.3
Aug24° / 18°4113.59.2
Sep23° / 17°294.112.38.3
Oct20° / 16°778.9116.7
Nov17° / 13°8210.29.95.5
Dec15° / 11°799.49.34.5

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Carnaxide gets around 188 mm of rain over 23 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%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 16 km/h across fall.

05101520SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 54 min in early September to 9 h 30 min 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 3.8 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Carnaxide?

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.

6.8
Sightseeing
2nd-best month of the year
3.8
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Carnaxide for sightseeing.

What to pack for Carnaxide in Fall

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

In fall, Carnaxide sees daytime highs around 20°C and nights near 15°C. Worth packing: light clothes, a warm layer, rain gear and sun protection. About 23 days see rain.

light clothesa warm layerrain gearsun protection

Sea temperature near Carnaxide in Fall

The nearest coast averages about 18°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 16 km away) is warmest in September at about 19°C and coldest in February near 15°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr15Cool
May16Cool
Jun18Cool
Jul18Cool
Aug19Cool
Sep19Cool
Oct18Cool
Nov17Cool
Dec16Cool

UV index in Carnaxide in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Carnaxide peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 15UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is Carnaxide?

Carnaxide sits at 38.7°N, 9.2°W, 82 m above sea level, in Portugal. The nearest listed city is Linda-a-Velha, 1.0 km away.

Topography around Carnaxide

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

Within 3 km, the terrain around Carnaxide has only modest variations in elevation — a maximum elevation change of 210 m around an average of 94 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 515 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Carnaxide is covered by artificial surfaces (45%), trees (29%) and grassland (22%) within 3 km, water (30%) and artificial surfaces (29%) within 16 km, and water (43%) and grassland (28%) within 80 km.

3 km
210 m
16 km
515 m
80 km
656 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Linda-a-Velha 1.0 km · Alfragide 2.0 km · Algés 3.0 km · Amadora 3.0 km · Queluz 3.0 km · Damaia 4.0 km · Buraca 4.0 km · Massamá 4.0 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
Catholic 68%not applicable 13%no religion 12%no response 2%

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 Carnaxide (38.7271°, -9.2467°, elevation 82 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.