San Lorenzo de El Escorial weather in September

In September, San Lorenzo de El Escorial sees average daytime highs of 25°C and overnight lows near 13°C, with 24 mm of rain across 4.8 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 27°C in the first days to 22°C by the end. The sky is clear or mostly clear about 53% of the time in September, and the air most often feels dry.

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 San Lorenzo de El Escorial's 4th-clearest and 12th-windiest month. For the whole year in context, see San Lorenzo de El Escorial's year-round climate.

Daytime high
25°
4th warmest
Overnight low
13°
9th coldest
Rainfall
24 mm
4.8 wet days
Daylight
12 h 18 min
7:03 AM – 7:19 PM
Cloud cover
41%
4th clearest
Wind
8 km/h
12th windiest
Solar energy
5.26 kWh/m²
Travel score
7.9
out of 10

San Lorenzo de El Escorial is capital of San Lorenzo de El Escorial 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 27°C in the first days to 22°C by the end.

A typical September day in San Lorenzo de El Escorial reaches about 25°C in the afternoon and slips back to 13°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 29°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12815
22815
32715
42715
52715
62715
72714
82614
92614
102614
112614
122514
132513
142513
152513
162413
172413
182413
192412
202412
212312
222312
232312
242312
252312
262211
272211
282211
292211
302211

How September really feels in San Lorenzo de El Escorial

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.

San Lorenzo de El Escorial 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 daysSnow daysDaylight (hours)Travel score
Jan / 437.72.89.41.6
Feb10° / 356.32.310.42.6
Mar14° / 457.81.511.74.3
Apr16° / 509.30.6135.2
May20° / 10°498.8014.26.7
Jun26° / 14°225014.87.5
Jul30° / 17°102.2014.66.1
Aug30° / 17°122.9013.66.4
Sep25° / 13°244.8012.37.9
Oct18° / 597.7010.96.1
Nov12° / 5580.79.73.3
Dec / 477.11.39.21.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% 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 28%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28317
38317
48317
58119
68119
78020
87921
97822
107822
117624
127525
137525
147327
157228
167129
176931
186931
196733
206733
216634
226535
236436
246436
256436
266337
276337
286436
296436
306337

Chance of precipitation in September

Any precipitation

San Lorenzo de El Escorial gets around 24 mm of rain over 4.8 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 15% and peaks near 18% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
112
212
312
412
512
612
712
813
913
1013
1114
1214
1314
1415
1515
1616
1716
1817
1917
2018
2118
2218
2318
2418
2518
2618
2718
2817
2917
3017

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1946
2946
3946
4946
5946
6946
7946
8946
9946
10946
11937
12937
13937
14937
15937
16937
17937
18937
19937
20937
21937
22937
23946
24946
25946
26946
27946
28955
29955
30955

Wind in September

Winds average 8 km/h in September, the calmest month.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 6:48 AM to 7:17 AM, and sunset from 7:45 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:487:45
212.96:497:43
312.96:507:41
412.86:517:40
512.86:527:38
612.76:537:36
712.76:547:35
812.66:557:33
912.66:567:31
1012.56:577:29
1112.56:587:28
1212.46:597:26
1312.47:007:24
1412.47:017:22
1512.37:027:21
1612.37:037:19
1712.27:047:17
1812.27:057:15
1912.17:067:14
2012.17:077:12
2112.07:087:10
2212.07:097:08
2311.97:107:07
2411.97:117:05
2511.97:127:03
2611.87:137:01
2711.87:147:00
2811.77:156:58
2911.77:166:56
3011.67:176:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.26 kWh/m².

For context, solar energy here swings from a low near 1.84 kWh/m² to a high of 7.76 kWh/m² in July across the year — September's 5.26 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.0Intense
46.0Bright
55.9Bright
65.9Bright
75.8Bright
85.7Bright
95.7Bright
105.6Bright
115.5Bright
125.5Bright
135.4Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.1Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.8Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.4Bright
Planning a trip in September

Is September a good time to visit San Lorenzo de El Escorial?

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

7.9
Sightseeing
1st-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for San Lorenzo de El Escorial in September

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

In September, San Lorenzo de El Escorial sees daytime highs around 25°C and nights near 13°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in San Lorenzo de El Escorial 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 San Lorenzo de El Escorial peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 15UV 10Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb2Moderate
Mar6High
Apr7High
May7High
Jun9Very high
Jul10Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in San Lorenzo de El Escorial in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in San Lorenzo de El Escorial is worst in August — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1714 µg/m³Jul 139 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar13Moderate
Apr12Good
May9Good
Jun11Good
Jul8Good
Aug15Moderate
Sep10Good
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is San Lorenzo de El Escorial?

San Lorenzo de El Escorial sits at 40.6°N, 4.1°W, 1,049 m above sea level, in Spain. The nearest listed city is El Escorial, 2.0 km away.

Topography around San Lorenzo de El Escorial

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Lorenzo de El Escorial.

Within 3 km, the terrain around San Lorenzo de El Escorial has large variations in elevation — a maximum elevation change of 887 m around an average of 1,132 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,298 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,027 m.

The land around San Lorenzo de El Escorial is covered by trees (60%) and grassland (24%) within 3 km, grassland (46%) and trees (44%) within 16 km, and grassland (38%), cropland (32%) and trees (23%) within 80 km.

3 km
887 m
16 km
1,298 m
80 km
2,027 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: El Escorial 2.0 km · Galapagar 12 km · Collado-Villalba 13 km · Torrelodones 19 km · Villanueva del Pardillo 19 km · Villanueva de la Cañada 20 km · Las Rozas de Madrid 26 km · Majadahonda 27 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 San Lorenzo de El Escorial (40.5914°, -4.1474°, elevation 1,049 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).