Sanlúcar de Barrameda weather in September

In September, Sanlúcar de Barrameda sees average daytime highs of 29°C and overnight lows near 19°C, with 26 mm of rain across 3.6 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 27°C by the end. The sky is clear or mostly clear about 65% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Sanlúcar de Barrameda's 4th-clearest and 11th-windiest month. For the whole year in context, see Sanlúcar de Barrameda's year-round climate.

Daytime high
29°
4th warmest
Overnight low
19°
10th coldest
Rainfall
26 mm
3.6 wet days
Daylight
12 h 12 min
7:13 AM – 7:27 PM
Cloud cover
32%
4th clearest
Wind
11 km/h
11th windiest
Solar energy
5.59 kWh/m²
Travel score
6.7
out of 10

Sanlúcar de Barrameda is human settlement in Cadiz, Spain.

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 31°C in the first days to 27°C by the end.

A typical September day in Sanlúcar de Barrameda reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63120
73020
83020
93020
103020
113020
123020
133019
142919
152919
162919
172919
182919
192919
202819
212818
222818
232818
242818
252818
262818
272818
282718
292718
302718

How September really feels in Sanlúcar de Barrameda

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sanlúcar de Barrameda 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
Jan16° / 567.49.85.7
Feb18° / 535.710.66.4
Mar20° / 11°567.311.77.0
Apr22° / 13°496.712.97.4
May25° / 16°304.913.97.9
Jun29° / 19°71.314.57.0
Jul32° / 21°10.314.35.2
Aug33° / 21°30.513.45.1
Sep29° / 19°263.612.26.7
Oct25° / 16°747.7117.4
Nov20° / 12°687.1106.9
Dec17° / 797.59.56.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
19010
28911
38812
48812
58713
68713
78515
88515
98416
108317
118218
128119
138119
147921
157921
167822
177723
187723
197624
207624
217525
227525
237426
247426
257426
267228
277228
287228
297228
307228

Chance of precipitation in September

Any precipitation

Sanlúcar de Barrameda gets around 26 mm of rain over 3.6 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 11% and peaks near 18% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
13
23
34
44
55
65
76
86
97
108
119
1210
1310
1411
1512
1612
1713
1814
1914
2015
2116
2216
2317
2417
2517
2617
2717
2817
2917
3018

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
18255215
29255115
310255015
410255015
511264915
612264815
712264715
813264615
914274515
1014274415
1115274315
1215274315
1316274215
1416274215
1516274215
1617274215
1717274215
1817274215
1917274214
2017284214
2117284214
2217284213
2317294113
2417304112
2517304112
2617314011
2718323911
2818333810
2919343710
302034369

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 7:00 AM to 7:25 AM, and sunset from 7:50 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.87:007:50
212.87:017:48
312.77:027:47
412.77:037:45
512.77:047:44
612.67:057:42
712.67:057:41
812.57:067:39
912.57:077:38
1012.57:087:36
1112.47:097:35
1212.47:097:33
1312.47:107:31
1412.37:117:30
1512.37:127:28
1612.27:137:27
1712.27:147:25
1812.27:147:24
1912.17:157:22
2012.17:167:20
2112.07:177:19
2212.07:187:17
2311.97:197:16
2411.97:207:14
2511.97:207:13
2611.87:217:11
2711.87:227:09
2811.77:237:08
2911.77:247:06
3011.77:257:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.59 kWh/m².

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 7.92 kWh/m² in July across the year — September's 5.59 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.1Intense
86.0Intense
96.0Bright
105.9Bright
115.9Bright
125.8Bright
135.8Bright
145.7Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.4Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Sanlúcar de Barrameda?

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

6.7
Sightseeing
7th-best month of the year
8.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Sanlúcar de Barrameda for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sanlúcar de Barrameda in September

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

In September, Sanlúcar de Barrameda sees daytime highs around 29°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Sanlúcar de Barrameda in September

The nearest coast averages about 22°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in August at about 23°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 8 to Oct 21 — about 4.5 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug23Refreshing
Sep22Refreshing
Oct20Refreshing
Nov18Cool
Dec17Cool

UV index in Sanlúcar de Barrameda in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sanlúcar de Barrameda peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 15UV 10Dec 20UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar7High
Apr8Very high
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Moderate
Location & terrain

Where is Sanlúcar de Barrameda?

Sanlúcar de Barrameda sits at 36.8°N, 6.4°W, 12 m above sea level, in Spain. The nearest listed city is Chipiona, 9.0 km away.

Topography around Sanlúcar de Barrameda

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

Within 3 km, the terrain around Sanlúcar de Barrameda has only modest variations in elevation — a maximum elevation change of 68 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, large variations in elevation — a maximum elevation change of 1,103 m.

The land around Sanlúcar de Barrameda is covered by artificial surfaces (31%), grassland (26%) and water (21%) within 3 km, cropland (33%) and water (33%) within 16 km, and water (31%) and cropland (29%) within 80 km.

3 km
68 m
16 km
109 m
80 km
1,103 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Chipiona 9.0 km · Rota 17 km · Jerez de la Frontera 22 km · El Puerto de Santa María 23 km · Cadiz 29 km · Lebrija 29 km · Puerto Real 31 km · San Fernando 36 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 Sanlúcar de Barrameda (36.7781°, -6.3515°, elevation 12 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).