Calp weather in September

In September, Calp sees average daytime highs of 26°C and overnight lows near 20°C, with 74 mm of rain across 7.4 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Calp's 6th-clearest and 10th-windiest month. For the whole year in context, see Calp's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
74 mm
7.4 wet days
Daylight
12 h 12 min
6:47 AM – 7:02 PM
Cloud cover
44%
6th clearest
Wind
10 km/h
10th windiest
Solar energy
5.03 kWh/m²
Travel score
7.3
out of 10

Calp is innhabited place in Calpe, 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 28°C in the first days to 25°C by the end.

A typical September day in Calp reaches about 26°C in the afternoon and slips back to 20°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°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)
12822
22822
32822
42822
52822
62822
72721
82721
92721
102721
112721
122721
132721
142721
152620
162620
172620
182620
192620
202620
212620
222520
232519
242519
252519
262519
272519
282519
292519
302519

Calp weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 5369.65.1
Feb15° / 405.610.55.3
Mar17° / 11°445.711.76.2
Apr19° / 13°486136.9
May22° / 16°334.614.17.8
Jun26° / 20°142.614.68.4
Jul29° / 22°81.314.47.6
Aug29° / 23°223.313.56.8
Sep26° / 20°747.412.37.3
Oct23° / 17°727.5117.3
Nov18° / 13°647.19.96.5
Dec16° / 10°596.29.35.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% 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 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27426
37327
47228
57228
67129
77129
87030
97030
106931
117030
126931
136931
146832
156832
166832
176634
186634
196535
206535
216436
226436
236436
246436
256436
266436
276436
286535
296535
306436

Chance of precipitation in September

Any precipitation

Calp gets around 74 mm of rain over 7.4 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
118
219
319
420
520
620
721
821
922
1022
1123
1223
1323
1423
1523
1623
1724
1824
1925
2026
2126
2226
2326
2426
2526
2626
2725
2825
2925
3025

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
128234918
229244817
339264716
4310274614
5310294513
6311304412
7411314311
841232429
951233418
1051334417
1161334406
1271434406
1371435395
1481535384
1591535374
1691635373
17101735363
18101736352
19111836332
20111837322
21121937311
22121938291
23132039281
24132040271
25132040251
26142041241
27152141231
28152142211
29162143200
30162143190

Wind in September

Winds average 10 km/h in September.

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

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min 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 78 minutes over September. Sunrise moves from 6:33 AM to 7:00 AM, and sunset from 7:26 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:337:26
212.86:347:24
312.86:357:23
412.86:367:21
512.76:377:20
612.76:387:18
712.66:397:16
812.66:397:15
912.56:407:13
1012.56:417:11
1112.56:427:10
1212.46:437:08
1312.46:447:07
1412.36:457:05
1512.36:467:03
1612.26:477:02
1712.26:487:00
1812.26:496:58
1912.16:496:57
2012.16:506:55
2112.06:516:53
2212.06:526:52
2311.96:536:50
2411.96:546:48
2511.96:556:47
2611.86:566:45
2711.86:576:43
2811.76:586:42
2911.76:596:40
3011.67:006:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.03 kWh/m².

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 7.5 kWh/m² in June across the year — September's 5.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
Planning a trip in September

Is September a good time to visit Calp?

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

7.3
Sightseeing
4th-best month of the year
7.2
Beach & pool
4th-best month of the year

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

What to pack for Calp in September

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

In September, Calp sees daytime highs around 26°C and nights near 20°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Calp in September

The nearest coast averages about 25°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 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 3 to Nov 3 — about 5.1 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Calp 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 Calp peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighHighVery highHighModerateLowJul 16UV 9Dec 18UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr7Very high
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low
Location & terrain

Where is Calp?

Calp sits at 38.6°N, 0.0°E, 58 m above sea level, in Spain. The nearest listed city is Altea, 10 km away.

Topography around Calp

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

Within 3 km, the terrain around Calp has significant variations in elevation — a maximum elevation change of 579 m around an average of 75 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,076 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,542 m.

The land around Calp is covered by water (34%), artificial surfaces (25%) and trees (20%) within 3 km, water (48%) and trees (20%) within 16 km, and water (49%) and trees (20%) within 80 km.

3 km
579 m
16 km
1,076 m
80 km
1,542 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Altea 10 km · l'Alfàs del Pi 15 km · la Nucia 15 km · Javea 19 km · Benidorm 19 km · Denia 22 km · Villajoyosa 29 km · Oliva 34 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 Calp (38.6447°, 0.0445°, elevation 58 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).