Isla Cristina weather in September

In September, Isla Cristina sees average daytime highs of 28°C and overnight lows near 19°C, with 20 mm of rain across 2.9 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 29°C in the first days to 26°C by the end. The sky is clear or mostly clear about 63% 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 Isla Cristina's 4th-clearest and 12th-windiest month. For the whole year in context, see Isla Cristina's year-round climate.

Daytime high
28°
4th warmest
Overnight low
19°
10th coldest
Rainfall
20 mm
2.9 wet days
Daylight
12 h 12 min
7:17 AM – 7:31 PM
Cloud cover
32%
4th clearest
Wind
11 km/h
12th windiest
Solar energy
5.55 kWh/m²
Travel score
7.6
out of 10

Isla Cristina is capital of Isla Cristina Municipality, 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 29°C in the first days to 26°C by the end.

A typical September day in Isla Cristina reaches about 28°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
22920
32920
42920
52920
62920
72920
82920
92920
102820
112820
122820
132820
142819
152819
162719
172719
182719
192719
202719
212719
222719
232619
242619
252619
262618
272618
282618
292618
302618

Isla Cristina 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
Jan15° / 405.99.75.2
Feb16° / 10°354.810.65.8
Mar19° / 12°405.811.76.8
Apr21° / 13°42612.97.2
May24° / 16°274.8148.0
Jun28° / 19°61.114.57.9
Jul31° / 21°10.114.36.3
Aug31° / 21°20.513.46.2
Sep28° / 19°202.912.37.6
Oct23° / 17°596.2117.6
Nov19° / 13°496.1106.8
Dec16° / 10°616.49.55.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% 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 19%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
29010
39010
48812
58812
68713
78713
88614
98515
108515
118416
128317
138218
148218
158218
168119
178020
187921
197822
207822
217723
227723
237624
247426
257426
267327
277327
287327
297129
307129

Chance of precipitation in September

Any precipitation

Isla Cristina gets around 20 mm of rain over 2.9 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 9% and peaks near 14% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
13
23
33
43
54
64
74
85
96
106
117
128
139
1410
1510
1611
1712
1812
1913
2013
2113
2214
2314
2414
2513
2613
2713
2812
2912
3012

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 18% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15254624
25254623
35264623
46264623
56274522
67274522
77274421
88284421
98284420
109284320
1110284319
1210284319
1311284318
1411284218
1512284218
1612284218
1713284217
1813274317
1913274317
2013274317
2113274317
2213274316
2313284316
2413284315
2513294315
2614294314
2714304214
2815304213
2915314113
3016314112

Wind in September

Winds average 11 km/h in September, the calmest month.

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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
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 7:04 AM to 7:29 AM, and sunset from 7:54 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.87:047:54
212.87:057:53
312.87:067:51
412.77:067:50
512.77:077:48
612.67:087:46
712.67:097:45
812.67:107:43
912.57:117:42
1012.57:117:40
1112.47:127:39
1212.47:137:37
1312.47:147:35
1412.37:157:34
1512.37:167:32
1612.27:177:31
1712.27:177:29
1812.27:187:27
1912.17:197:26
2012.17:207:24
2112.07:217:23
2212.07:227:21
2311.97:237:19
2411.97:237:18
2511.97:247:16
2611.87:257:15
2711.87:267:13
2811.77:277:12
2911.77:287:10
3011.77:297:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.55 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 7.93 kWh/m² in July across the year — September's 5.55 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.2Intense
66.1Intense
76.1Intense
86.0Intense
96.0Bright
105.9Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.6Bright
165.5Bright
175.5Bright
185.4Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.1Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Isla Cristina?

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

7.6
Sightseeing
3rd-best month of the year
8.3
Beach & pool
4th-best month of the year

September is one of the better times to visit Isla Cristina for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Isla Cristina in September

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

In September, Isla Cristina sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Isla Cristina 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 offshore is warmest in August at about 22°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 18 to Oct 19 — about 4.1 months when the water holds above 20°C.

15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May18Cool
Jun20Cool
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct20Refreshing
Nov18Cool
Dec17Cool

UV index in Isla Cristina 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 Isla Cristina peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 14UV 10Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar7High
Apr8Very high
May7Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is Isla Cristina?

Isla Cristina sits at 37.2°N, 7.3°W, 7 m above sea level, in Spain. The nearest listed city is Ayamonte, 8.0 km away.

Topography around Isla Cristina

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

Within 3 km, the terrain around Isla Cristina has only modest variations in elevation — a maximum elevation change of 31 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 145 m; within 80 km, large variations in elevation — a maximum elevation change of 633 m.

The land around Isla Cristina is covered by water (48%) within 3 km, water (49%) and grassland (28%) within 16 km, and grassland (35%) and water (31%) within 80 km.

3 km
31 m
16 km
145 m
80 km
633 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Ayamonte 8.0 km · Lepe 12 km · Cartaya 17 km · Aljaraque 27 km · Tavira 31 km · Huelva 34 km · Moguer 43 km · Laranjeiro 46 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 Isla Cristina (37.2°, -7.3167°, elevation 7 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).