Sant Pere de Ribes weather in September

In September, Sant Pere de Ribes sees average daytime highs of 24°C and overnight lows near 19°C, with 91 mm of rain across 10.3 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 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 46% 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 Sant Pere de Ribes's 5th-clearest and 9th-windiest month. For the whole year in context, see Sant Pere de Ribes's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
91 mm
10.3 wet days
Daylight
12 h 18 min
6:39 AM – 6:55 PM
Cloud cover
46%
5th clearest
Wind
11 km/h
9th windiest
Solar energy
4.63 kWh/m²
Travel score
7.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 23°C by the end.

A typical September day in Sant Pere de Ribes reaches about 24°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12620
22620
32520
42520
52520
62520
72520
82520
92519
102519
112519
122419
132419
142419
152419
162419
172418
182418
192418
202318
212318
222318
232318
242318
252317
262317
272317
282317
292317
302217

Sant Pere de Ribes 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
Jan13° / 436.59.44.0
Feb13° / 355.510.34.3
Mar15° / 436.411.75.1
Apr17° / 11°508.213.15.8
May20° / 14°456.714.36.9
Jun23° / 18°30514.98.0
Jul26° / 21°29514.78.0
Aug27° / 21°486.813.77.5
Sep24° / 19°9110.312.37.0
Oct21° / 15°909.710.96.6
Nov16° / 11°617.29.75.6
Dec13° / 435.99.14.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26832
36832
46733
56733
66634
76634
86733
96634
106634
116634
126634
136634
146535
156535
166436
176436
186436
196337
206337
216337
226337
236238
246238
256238
266337
276337
286337
296337
306337

Chance of precipitation in September

Any precipitation

Sant Pere de Ribes gets around 91 mm of rain over 10.3 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 34% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
131
232
333
433
534
634
735
835
935
1035
1135
1235
1335
1435
1535
1635
1735
1835
1935
2035
2135
2234
2334
2433
2532
2632
2731
2831
2931
3031

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1210284515
2311294513
3311294511
4412304510
541231458
651331447
751332446
861432445
971432434
1071533423
1181633412
1291634392
13101734381
14101834371
15111835351
16121935331
17121936321
18132036300
19142137280
20152138260
21152238240
22162339220
23162339210
24162440190
25172441180
26182441170
27182541160
28192541150
29202540140
30212540130

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 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
2611calm
2711calm
2811calm
2911calm
3011calm

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 6:24 AM to 6:54 AM, and sunset from 7:22 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:247:22
212.96:257:20
312.96:267:18
412.86:277:17
512.86:287:15
612.76:297:13
712.76:307:11
812.66:317:10
912.66:327:08
1012.66:337:06
1112.56:347:04
1212.56:357:02
1312.46:367:01
1412.46:376:59
1512.36:386:57
1612.36:396:55
1712.26:406:54
1812.26:416:52
1912.16:426:50
2012.16:436:48
2112.06:446:46
2212.06:456:45
2311.96:466:43
2411.96:476:41
2511.86:496:39
2611.86:506:38
2711.86:516:36
2811.76:526:34
2911.76:536:32
3011.66:546:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.63 kWh/m².

For context, solar energy here swings from a low near 1.91 kWh/m² to a high of 7.16 kWh/m² in June across the year — September's 4.63 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.4Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.1Bright
304.0Bright
Planning a trip in September

Is September a good time to visit Sant Pere de Ribes?

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

7.0
Sightseeing
4th-best month of the year
5.9
Beach & pool
4th-best month of the year

September is one of the better times to visit Sant Pere de Ribes for general sightseeing.

What to pack for Sant Pere de Ribes in September

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

In September, Sant Pere de Ribes sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Sant Pere de Ribes in September

The nearest coast averages about 24°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 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 8 to Oct 27 — about 4.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov18Cool
Dec15Cool

UV index in Sant Pere de Ribes 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 Sant Pere de Ribes peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 15UV 9Dec 19UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May6High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Sant Pere de Ribes?

Sant Pere de Ribes sits at 41.3°N, 1.8°E, 50 m above sea level, in Spain. The nearest listed city is Sitges, 4.0 km away.

Topography around Sant Pere de Ribes

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sant Pere de Ribes.

Within 3 km, the terrain around Sant Pere de Ribes has significant variations in elevation — a maximum elevation change of 341 m around an average of 95 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 650 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,677 m.

The land around Sant Pere de Ribes is covered by trees (45%) within 3 km, water (35%) and trees (28%) within 16 km, and trees (35%) and water (34%) within 80 km.

3 km
341 m
16 km
650 m
80 km
1,677 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Sitges 4.0 km · Vilanova i la Geltrú 6.0 km · Vilafranca del Penedès 11 km · Castelldefels 17 km · Calafell 18 km · Gavà 20 km · El Vendrell 21 km · Viladecans 21 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 Sant Pere de Ribes (41.2604°, 1.7739°, elevation 50 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).