Aranda de Duero weather in September

In September, Aranda de Duero sees average daytime highs of 24°C and overnight lows near 12°C, with 28 mm of rain across 5.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 10th-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 47% of the time in September, and the air most often feels dry.

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 Aranda de Duero's 3rd-clearest and 12th-windiest month. For the whole year in context, see Aranda de Duero's year-round climate.

Daytime high
24°
4th warmest
Overnight low
12°
9th coldest
Rainfall
28 mm
5.4 wet days
Daylight
12 h 18 min
7:01 AM – 7:17 PM
Cloud cover
44%
3rd clearest
Wind
10 km/h
12th windiest
Solar energy
5.03 kWh/m²
Travel score
7.7
out of 10

Aranda de Duero is capital of Aranda de Duero Municipality, Spain.

Air quality
Good
PM10 17.8 µg/m³ · 2019

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 Aranda de Duero reaches about 24°C in the afternoon and slips back to 12°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 30°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12714
22713
32713
42713
52713
62613
72613
82613
92612
102612
112512
122512
132512
142512
152512
162412
172411
182411
192411
202311
212311
222311
232311
242310
252310
262210
272210
282210
292210
302210

How September really feels in Aranda de Duero

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.

Aranda de Duero weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 458.51.69.31.6
Feb10° / 377.71.810.32.5
Mar14° / 4190.911.74.1
Apr16° / 5511.20.313.14.8
May20° / 5410.7014.36.3
Jun26° / 13°326.60157.5
Jul30° / 15°173.9014.76.4
Aug29° / 15°163.6013.76.6
Sep24° / 12°285.4012.37.7
Oct18° / 538.4010.96.1
Nov12° / 539.80.39.63.2
Dec / 458.20.991.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27624
37624
47525
57426
67426
77426
87228
97228
107129
117030
126931
136832
146634
156634
166436
176337
186238
196139
206040
216040
225941
236040
245941
255941
265941
275842
285842
295842
305842

Chance of precipitation in September

Any precipitation

Aranda de Duero gets around 28 mm of rain over 5.4 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 18% and peaks near 20% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
114
214
314
415
515
615
715
816
916
1017
1117
1217
1318
1418
1518
1619
1719
1819
1919
2019
2120
2220
2320
2420
2520
2620
2719
2819
2919
3019

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 96% 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
6955
7955
8955
9955
10964
11964
12964
13964
14964
15973
16973
17973
18973
19973
20973
21973
22973
23973
24973
25973
26973
27973
28973
29973
30982

Wind in September

Winds average 10 km/h in September, the calmest month.

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 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 6:45 AM to 7:16 AM, and sunset from 7:44 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:457:44
212.96:467:42
312.96:477:40
412.86:487:39
512.86:497:37
612.76:507:35
712.76:517:33
812.76:527:32
912.66:537:30
1012.66:547:28
1112.56:567:26
1212.56:577:25
1312.46:587:23
1412.46:597:21
1512.37:007:19
1612.37:017:17
1712.27:027:16
1812.27:037:14
1912.17:047:12
2012.17:057:10
2112.07:067:08
2212.07:077:07
2311.97:087:05
2411.97:097:03
2511.87:107:01
2611.87:126:59
2711.77:136:58
2811.77:146:56
2911.77:156:54
3011.67:166:52

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 1.58 kWh/m² to a high of 7.49 kWh/m² in July across the year — September's 5.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.8Bright
55.7Bright
65.6Bright
75.6Bright
85.5Bright
95.4Bright
105.4Bright
115.3Bright
125.2Bright
135.2Bright
145.1Bright
155.0Bright
165.0Bright
174.9Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.6Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
Planning a trip in September

Is September a good time to visit Aranda de Duero?

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

7.7
Sightseeing
1st-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Aranda de Duero in September

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

In September, Aranda de Duero sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Aranda de Duero 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 Aranda de Duero peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 10Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar6High
Apr6High
May7High
Jun9Very high
Jul10Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Aranda de Duero?

Aranda de Duero sits at 41.7°N, 3.7°W, 800 m above sea level, in Spain. The nearest listed city is Burgos, 75 km away.

Arevalo

Topography around Aranda de Duero

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

Within 3 km, the terrain around Aranda de Duero has only modest variations in elevation — a maximum elevation change of 94 m around an average of 808 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 329 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,528 m.

The land around Aranda de Duero is covered by cropland (41%), grassland (23%) and artificial surfaces (23%) within 3 km, cropland (56%) and trees (21%) within 16 km, and cropland (45%), trees (30%) and grassland (21%) within 80 km.

3 km
94 m
16 km
329 m
80 km
1,528 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Burgos 75 km · Gamonal 76 km · Palencia 79 km · Valladolid 86 km · Laguna de Duero 87 km · Segovia 88 km · Soria 102 km · Arevalo 109 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 Aranda de Duero (41.6704°, -3.6892°, elevation 800 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).