Vila Nova de Foz Côa weather in September

In September, Vila Nova de Foz Côa sees average daytime highs of 25°C and overnight lows near 13°C, with 33 mm of rain across 4.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 53% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Vila Nova de Foz Côa's 3rd-clearest and 12th-windiest month. For the whole year in context, see Vila Nova de Foz Côa's year-round climate.

Daytime high
25°
4th warmest
Overnight low
13°
9th coldest
Rainfall
33 mm
4.4 wet days
Daylight
12 h 18 min
6:15 AM – 6:31 PM
Cloud cover
40%
3rd clearest
Wind
8 km/h
12th windiest
Solar energy
4.97 kWh/m²
Travel score
8.0
out of 10

Vila Nova de Foz Côa is city seat of Vila Nova de Foz Côa municipality.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 23°C by the end.

A typical September day in Vila Nova de Foz Côa reaches about 25°C in the afternoon and slips back to 13°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12714
22714
32714
42714
52714
62714
72614
82614
92614
102614
112613
122613
132513
142513
152513
162513
172513
182413
192413
202412
212412
222412
232412
242312
252312
262312
272312
282312
292312
302312

Vila Nova de Foz Côa weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 659.19.42.3
Feb12° / 446.610.43.5
Mar15° / 498.111.75.0
Apr17° / 5510.113.15.6
May21° / 10°489.214.36.7
Jun26° / 13°204.614.97.8
Jul29° / 15°122.714.77.1
Aug29° / 15°133.313.67.1
Sep25° / 13°334.412.38.0
Oct20° / 10°82910.96.4
Nov14° / 719.49.73.9
Dec10° / 728.69.12.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28020
38020
48020
57921
67822
77822
87624
97624
107525
117426
127327
137129
147129
157030
166931
176832
186733
196733
206634
216634
226535
236535
246436
256436
266337
276337
286238
296238
306238

Chance of precipitation in September

Any precipitation

Vila Nova de Foz Côa gets around 33 mm of rain over 4.4 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 18% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
112
212
311
411
511
611
711
811
912
1012
1113
1214
1314
1415
1515
1616
1716
1817
1917
2018
2118
2218
2318
2418
2518
2618
2718
2818
2918
3018

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
166313
267312
368302
469292
570282
672271
772271
873261
973261
1073261
1174251
1274251
1374251
1474251
1574251
1674251
1775241
1875241
1976231
2076231
2176231
2276231
2377221
2477221
2577221
2678211
2778211
2879201
2980191
3080191

Wind in September

Winds average 8 km/h in September, the calmest month.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 5:59 AM to 6:29 AM, and sunset from 6:57 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:596:57
212.96:006:55
312.96:016:54
412.86:026:52
512.86:046:50
612.76:056:49
712.76:066:47
812.66:076:45
912.66:086:43
1012.56:096:42
1112.56:106:40
1212.56:116:38
1312.46:126:36
1412.46:136:35
1512.36:146:33
1612.36:156:31
1712.26:166:29
1812.26:176:27
1912.16:186:26
2012.16:196:24
2112.06:206:22
2212.06:216:20
2311.96:226:19
2411.96:236:17
2511.86:246:15
2611.86:256:13
2711.86:266:12
2811.76:276:10
2911.76:286:08
3011.66:296:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.97 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 7.49 kWh/m² in July across the year — September's 4.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.7Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.4Bright
105.3Bright
115.2Bright
125.2Bright
135.1Bright
145.0Bright
155.0Bright
164.9Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
Planning a trip in September

Is September a good time to visit Vila Nova de Foz Côa?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.0
Sightseeing
1st-best month of the year
7.1
Beach & pool
4th-best month of the year

September is one of the better times to visit Vila Nova de Foz Côa for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Vila Nova de Foz Côa in September

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

In September, Vila Nova de Foz Côa sees daytime highs around 25°C and nights near 13°C. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Vila Nova de Foz Côa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vila Nova de Foz Côa 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 12UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Vila Nova de Foz Côa in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Vila Nova de Foz Côa is worst in August — around 22 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1922 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar13Moderate
Apr11Good
May8Good
Jun9Good
Jul12Good
Aug22Moderate
Sep18Moderate
Oct13Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Vila Nova de Foz Côa?

Vila Nova de Foz Côa sits at 41.1°N, 7.1°W, 0 m above sea level, in Portugal. The nearest listed city is Custoias, 15 km away.

Topography around Vila Nova de Foz Côa

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vila Nova de Foz Côa.

Within 3 km, the terrain around Vila Nova de Foz Côa has significant variations in elevation — a maximum elevation change of 501 m around an average of 351 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 806 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,541 m.

The land around Vila Nova de Foz Côa is covered by shrubs (36%), grassland (33%) and trees (20%) within 3 km, grassland (41%), shrubs (30%) and trees (22%) within 16 km, and grassland (61%) and trees (27%) within 80 km.

3 km
501 m
16 km
806 m
80 km
1,541 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Custoias 15 km · Vila Real 56 km · Sequeira 59 km · Guarda 61 km · Baião 75 km · Chaves 78 km · Viseu 80 km · Cabeceiras de Basto 86 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 Vila Nova de Foz Côa (41.0819°, -7.1415°, elevation 0 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).