A Coruña weather in September

In September, A Coruña sees average daytime highs of 21°C and overnight lows near 14°C, with 68 mm of rain across 9.3 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 32% of the time in September, and the air most often feels comfortable.

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 A Coruña's 3rd-clearest and 12th-windiest month. For the whole year in context, see A Coruña's year-round climate.

Daytime high
21°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
68 mm
9.3 wet days
Daylight
12 h 18 min
7:19 AM – 7:37 PM
Cloud cover
54%
3rd clearest
Wind
14 km/h
12th windiest
Solar energy
4.27 kWh/m²
Travel score
6.6
out of 10

A Coruña is capital of A Coruña Municipality, Spain.

Air quality
Moderate
PM2.5 13.6 µg/m³ · 2019

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 22°C in the first days to 20°C by the end.

A typical September day in A Coruña reaches about 21°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°C. Set against its neighbours, September runs about 1°C cooler than August and about 3°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62215
72215
82115
92115
102115
112115
122115
132115
142115
152114
162114
172114
182114
192014
202014
212014
222014
232014
242014
252014
262014
272014
282014
292014
301914

A Coruña weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 14114.59.22.8
Feb13° / 10112.210.23.2
Mar14° / 10312.411.64.0
Apr15° / 11014.213.24.2
May17° / 11°8312.714.55.2
Jun20° / 13°538.815.26.4
Jul21° / 15°336.614.97.2
Aug22° / 16°467.713.87.2
Sep21° / 14°689.312.36.6
Oct18° / 12°13413.510.85.3
Nov14° / 10°154169.53.6
Dec13° / 14014.48.83.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55743
65743
75644
85545
95545
105347
115248
125149
135050
144951
154951
164852
174753
184654
194654
204654
214555
224456
234456
244357
254357
264456
274357
284456
294456
304456

Chance of precipitation in September

Any precipitation

A Coruña gets around 68 mm of rain over 9.3 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 31% and peaks near 35% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
125
225
326
426
526
627
728
828
929
1030
1130
1231
1332
1432
1533
1633
1734
1834
1934
2034
2134
2234
2334
2435
2535
2635
2735
2835
2935
3035

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11746352
21846352
31846341
41946341
52045341
62145331
72245331
82344321
92344321
102444310
112544310
122644300
132644300
142744290
152844280
162944270
173045250
183145240
193145230
203246220
213346210
223446200
233546190
243546180
253646170
263846160
273945160
284045150
294244140
304443140

Wind in September

Winds average 14 km/h in September, the calmest month.

Across September, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

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 7:02 AM to 7:35 AM, and sunset from 8:05 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.07:028:05
213.07:038:03
312.97:048:01
412.97:057:59
512.87:077:57
612.87:087:55
712.77:097:54
812.77:107:52
912.67:117:50
1012.67:127:48
1112.57:137:46
1212.57:157:44
1312.47:167:42
1412.47:177:40
1512.37:187:39
1612.37:197:37
1712.27:207:35
1812.27:217:33
1912.17:237:31
2012.17:247:29
2112.07:257:27
2212.07:267:25
2311.97:277:23
2411.97:287:22
2511.87:307:20
2611.87:317:18
2711.77:327:16
2811.77:337:14
2911.67:347:12
3011.67:357:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.27 kWh/m².

For context, solar energy here swings from a low near 1.32 kWh/m² to a high of 6.24 kWh/m² in June across the year — September's 4.27 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.4Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.6Moderate
283.6Moderate
293.5Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit A Coruña?

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

6.6
Sightseeing
3rd-best month of the year
3.8
Beach & pool
3rd-best month of the year

September is a reasonable time to visit A Coruña for sightseeing.

What to pack for A Coruña in September

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

In September, A Coruña sees daytime highs around 21°C and nights near 14°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near A Coruña in September

The nearest coast averages about 17°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in March near 13°C.

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

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr13Bracing
May14Bracing
Jun16Cool
Jul17Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov15Cool
Dec14Bracing

UV index in A Coruña 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 A Coruña peaks around June 23 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in A Coruña 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 A Coruña is worst in March — around 20 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to A Coruña's WHO annual average of 13.6 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1819 µg/m³Jul 1710 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr17Moderate
May13Moderate
Jun12Moderate
Jul10Good
Aug12Moderate
Sep12Good
Oct14Moderate
Nov12Moderate
Dec13Moderate
Location & terrain

Where is A Coruña?

A Coruña sits at 43.4°N, 8.4°W, 22 m above sea level, in Spain. The nearest listed city is Oleiros, 8.0 km away.

Topography around A Coruña

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

Within 3 km, the terrain around A Coruña has only modest variations in elevation — a maximum elevation change of 125 m around an average of 14 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 512 m; within 80 km, large variations in elevation — a maximum elevation change of 1,032 m.

The land around A Coruña is covered by water (60%) and artificial surfaces (30%) within 3 km, water (51%) and trees (25%) within 16 km, and trees (43%), water (33%) and grassland (20%) within 80 km.

3 km
125 m
16 km
512 m
80 km
1,032 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Oleiros 8.0 km · Culleredo 9.0 km · Cambre 9.0 km · Arteixo 12 km · Ferrol 18 km · Narón 22 km · Carballo 30 km · Santiago de Compostela 56 km

Spain travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$38,627
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 540
Religion
Roman Catholic 58%atheist 16%agnostic 11%non-believer 11%

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 A Coruña (43.3713°, -8.396°, elevation 22 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).