Calella weather in September

In September, Calella sees average daytime highs of 23°C and overnight lows near 20°C, with 69 mm of rain across 8.8 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 44% of the time in September, and the air most often feels humid.

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 Calella's 5th-clearest and 8th-windiest month. For the whole year in context, see Calella's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
69 mm
8.8 wet days
Daylight
12 h 18 min
6:35 AM – 6:52 PM
Cloud cover
48%
5th clearest
Wind
13 km/h
8th windiest
Solar energy
4.32 kWh/m²
Travel score
7.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 22°C by the end.

A typical September day in Calella reaches about 23°C in the afternoon and slips back to 20°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12522
22522
32422
42421
52421
62421
72421
82421
92421
102421
112421
122421
132320
142320
152320
162320
172320
182320
192320
202320
212320
222219
232219
242219
252219
262219
272219
282219
292219
302219

Calella weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 496.79.33.8
Feb12° / 406.710.33.7
Mar14° / 11°426.411.74.4
Apr15° / 12°467.213.15.2
May18° / 15°375.714.36.6
Jun22° / 19°273.9158.0
Jul25° / 22°19314.78.6
Aug26° / 23°274.913.78.0
Sep23° / 20°698.812.37.2
Oct20° / 17°929.410.96.5
Nov16° / 13°648.59.75.3
Dec13° / 11°476.694.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26931
36931
46832
56832
66832
76733
86733
96733
106634
116634
126535
136535
146436
156436
166337
176337
186337
196238
206139
216139
226139
236238
246238
256139
266139
276139
286139
296238
306238

Chance of precipitation in September

Any precipitation

Calella gets around 69 mm of rain over 8.8 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 29% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
225
325
426
526
627
727
828
928
1028
1129
1229
1330
1430
1531
1632
1732
1832
1932
2032
2132
2231
2331
2430
2530
2629
2729
2829
2928
3028

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1515253619
2515263617
3516263715
4617273714
5618283712
6618283711
761928379
872029368
972029368
1082129357
1182229346
1282329346
1392330326
1492430315
15102431305
16112531294
17122532274
18122632264
19132633253
20142633233
21152734222
22152735212
23162636202
24162636192
25172637181
26172638181
27182638171
28192638161
29202638161
30202638151

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 6:20 AM to 6:51 AM, and sunset from 7:18 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:207:18
212.96:217:17
312.96:227:15
412.86:237:13
512.86:247:12
612.76:257:10
712.76:267:08
812.76:277:06
912.66:287:04
1012.66:297:03
1112.56:307:01
1212.56:316:59
1312.46:326:57
1412.46:336:56
1512.36:346:54
1612.36:356:52
1712.26:376:50
1812.26:386:48
1912.16:396:47
2012.16:406:45
2112.06:416:43
2212.06:426:41
2311.96:436:39
2411.96:446:38
2511.86:456:36
2611.86:466:34
2711.76:476:32
2811.76:486:30
2911.76:496:29
3011.66:516:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.32 kWh/m².

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 6.78 kWh/m² in June across the year — September's 4.32 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Moderate
254.0Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Is September a good time to visit Calella?

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

7.2
Sightseeing
4th-best month of the year
5.6
Beach & pool
3rd-best month of the year

September is one of the better times to visit Calella for general sightseeing.

What to pack for Calella in September

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

In September, Calella sees daytime highs around 23°C and nights near 20°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Calella in September

The nearest coast averages about 23°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 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 14 to Oct 18 — about 4.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May17Cool
Jun20Refreshing
Jul23Refreshing
Aug25Warm
Sep23Refreshing
Oct20Refreshing
Nov17Cool
Dec15Bracing

UV index in Calella 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 Calella peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 13UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Calella?

Calella sits at 41.6°N, 2.7°E, 15 m above sea level, in Spain. The nearest listed city is Pineda de Mar, 3.0 km away.

Topography around Calella

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

Within 3 km, the terrain around Calella has significant variations in elevation — a maximum elevation change of 399 m around an average of 61 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 764 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,749 m.

The land around Calella is covered by water (42%) and trees (33%) within 3 km, water (49%) and trees (37%) within 16 km, and trees (45%) and water (36%) within 80 km.

3 km
399 m
16 km
764 m
80 km
1,749 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Pineda de Mar 3.0 km · Malgrat de Mar 8.0 km · Arenys de Mar 9.0 km · Tordera 11 km · Blanes 13 km · Sant Celoni 16 km · Lloret de Mar 19 km · Mataró 19 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 Calella (41.6138°, 2.6542°, elevation 15 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).