Gasteiz / Vitoria weather in September

In September, Gasteiz / Vitoria sees average daytime highs of 22°C and overnight lows near 12°C, with 43 mm of rain across 8.9 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 31% 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 Gasteiz / Vitoria's 3rd-clearest and 9th-windiest month. For the whole year in context, see Gasteiz / Vitoria's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
12°
10th coldest
Rainfall
43 mm
8.9 wet days
Daylight
12 h 18 min
6:56 AM – 7:14 PM
Cloud cover
55%
3rd clearest
Wind
8 km/h
9th windiest
Solar energy
4.26 kWh/m²
Travel score
6.9
out of 10

Gasteiz / Vitoria is capital town of Vitoria/Gasteiz municipality.

Founded
1181

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 24°C in the first days to 20°C by the end.

A typical September day in Gasteiz / Vitoria reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12413
22413
32413
42413
52413
62313
72312
82312
92312
102312
112312
122312
132212
142212
152212
162212
172211
182211
192211
202111
212111
222111
232111
242111
252111
262111
272111
282011
292010
302010

How September really feels in Gasteiz / Vitoria

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.

Gasteiz / Vitoria weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7512.42.99.21.6
Feb10° / 6711.63.810.22.1
Mar13° / 7111.61.911.63.4
Apr15° / 8014.30.413.13.9
May18° / 7112.7014.45.4
Jun22° / 12°558.9015.16.7
Jul24° / 14°326.7014.87.5
Aug25° / 14°327.3013.77.4
Sep22° / 12°438.9012.36.9
Oct18° / 7111.5010.85.4
Nov12° / 8713.30.79.53.0
Dec / 70121.88.91.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45446
55446
65446
75446
85347
95347
105248
115248
125149
135149
145149
155050
165050
174852
184852
194852
204753
214654
224654
234654
244753
254654
264654
274555
284555
294456
304456

Chance of precipitation in September

Any precipitation

Gasteiz / Vitoria gets around 43 mm of rain over 8.9 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
326
427
527
627
728
828
929
1029
1129
1230
1330
1430
1530
1630
1730
1831
1931
2031
2131
2231
2331
2431
2532
2632
2732
2832
2932
3032

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 65% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1464213
2474112
3484012
4494011
5513910
6523810
753389
854379
956368
1057358
1158357
1260346
1361336
1462335
1564324
1665314
1767303
1868293
1971272
2072262
2173252
2275241
2376231
2476231
2577221
2678211
2779201
2879201
2981190
3082180

Wind in September

Winds average 8 km/h in September.

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
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
299calm
309calm

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 6:40 AM to 7:12 AM, and sunset from 7:41 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:407:41
213.06:417:39
312.96:427:38
412.96:437:36
512.86:447:34
612.86:457:32
712.76:467:30
812.76:477:28
912.66:497:27
1012.66:507:25
1112.56:517:23
1212.56:527:21
1312.46:537:19
1412.46:547:17
1512.36:557:15
1612.36:567:14
1712.26:587:12
1812.26:597:10
1912.17:007:08
2012.17:017:06
2112.07:027:04
2212.07:037:02
2311.97:047:01
2411.97:056:59
2511.87:076:57
2611.87:086:55
2711.77:096:53
2811.77:106:51
2911.67:116:49
3011.67:126:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.26 kWh/m².

For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 6.01 kWh/m² in July across the year — September's 4.26 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.3Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.1Bright
204.0Bright
214.0Moderate
224.0Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
Planning a trip in September

Is September a good time to visit Gasteiz / Vitoria?

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

6.9
Sightseeing
3rd-best month of the year
4.8
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Gasteiz / Vitoria for sightseeing.

What to pack for Gasteiz / Vitoria in September

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

In September, Gasteiz / Vitoria sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Gasteiz / Vitoria in September

The nearest coast averages about 21°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 63 km away) is warmest in August at about 22°C and coldest in February near 12°C.

It's comfortable for a long swim from Jul 3 to Sep 25 — about 2.8 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar13Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug22Refreshing
Sep21Refreshing
Oct18Cool
Nov16Cool
Dec14Bracing

UV index in Gasteiz / Vitoria 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 Gasteiz / Vitoria peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Gasteiz / Vitoria?

Gasteiz / Vitoria sits at 42.9°N, 2.7°W, 547 m above sea level, in Spain. The nearest listed city is Arrasate / Mondragón, 28 km away.

Topography around Gasteiz / Vitoria

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

Within 3 km, the terrain around Gasteiz / Vitoria has only modest variations in elevation — a maximum elevation change of 91 m around an average of 525 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 704 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,250 m.

The land around Gasteiz / Vitoria is covered by artificial surfaces (58%) within 3 km, trees (38%), cropland (33%) and grassland (20%) within 16 km, and trees (45%) and cropland (22%) within 80 km.

3 km
91 m
16 km
704 m
80 km
2,250 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Arrasate / Mondragón 28 km · Miranda de Ebro 29 km · Durango 36 km · Ermua 40 km · Laudio / Llodio 40 km · Eibar 41 km · Amorebieta 41 km · Altsasu 42 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 Gasteiz / Vitoria (42.85°, -2.6727°, elevation 547 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).