Calahorra weather in September

In September, Calahorra sees average daytime highs of 25°C and overnight lows near 13°C, with 36 mm of rain across 6.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 43% 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 Calahorra's 3rd-clearest and 11th-windiest month. For the whole year in context, see Calahorra's year-round climate.

Daytime high
25°
4th warmest
Overnight low
13°
9th coldest
Rainfall
36 mm
6.9 wet days
Daylight
12 h 18 min
6:54 AM – 7:11 PM
Cloud cover
47%
3rd clearest
Wind
9 km/h
11th windiest
Solar energy
4.7 kWh/m²
Travel score
7.5
out of 10

Calahorra is capital of the Calahorra municipality, La Rioja, 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 23°C by the end.

A typical September day in Calahorra 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 30°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12815
22715
32715
42714
52714
62714
72614
82614
92614
102614
112614
122613
132513
142513
152513
162513
172513
182413
192413
202412
212412
222412
232412
242412
252312
262312
272312
282312
292312
302311

How September really feels in Calahorra

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.

Calahorra weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 4081.29.32.4
Feb12° / 3171.210.33.2
Mar15° / 398.30.711.64.8
Apr18° / 579.90.213.15.6
May22° / 10°5910.2014.46.5
Jun26° / 14°477.80157.1
Jul29° / 16°285.6014.86.2
Aug29° / 16°315.9013.76.2
Sep25° / 13°366.9012.37.5
Oct20° / 10°487.8010.86.6
Nov14° / 5090.69.64.1
Dec11° / 357.30.692.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26832
36733
46733
56832
66733
76733
86634
96634
106634
116634
126535
136535
146436
156436
166337
176337
186337
196238
206139
216139
226139
236139
246040
256040
265941
275941
285941
295842
305842

Chance of precipitation in September

Any precipitation

Calahorra gets around 36 mm of rain over 6.9 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 22% and peaks near 23% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
121
221
321
422
522
622
722
822
922
1023
1123
1223
1323
1423
1523
1623
1723
1823
1923
2023
2123
2223
2323
2423
2522
2622
2721
2821
2920
3020

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
159329
261318
362308
463298
563298
665287
766277
867267
968266
1069256
1169256
1270255
1370255
1471254
1572244
1672244
1773243
1874233
1974233
2076222
2177212
2277212
2378202
2479192
2580182
2681172
2781172
2882162
2983152
3085141

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 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
69calm
79calm
89calm
99calm
109calm
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 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 6:37 AM to 7:09 AM, and sunset from 7:38 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:377:38
213.06:397:36
312.96:407:34
412.96:417:32
512.86:427:31
612.86:437:29
712.76:447:27
812.76:457:25
912.66:467:23
1012.66:477:22
1112.56:487:20
1212.56:497:18
1312.46:507:16
1412.46:527:14
1512.36:537:12
1612.36:547:11
1712.26:557:09
1812.26:567:07
1912.16:577:05
2012.16:587:03
2112.06:597:01
2212.07:007:00
2311.97:016:58
2411.97:036:56
2511.87:046:54
2611.87:056:52
2711.77:066:50
2811.77:076:49
2911.67:086:47
3011.67:096:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.7 kWh/m².

For context, solar energy here swings from a low near 1.62 kWh/m² to a high of 7.01 kWh/m² in July across the year — September's 4.7 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.1Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.6Bright
184.5Bright
194.5Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.1Bright
284.0Bright
294.0Bright
304.0Moderate
Planning a trip in September

Is September a good time to visit Calahorra?

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

7.5
Sightseeing
1st-best month of the year
6.7
Beach & pool
4th-best month of the year

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

What to pack for Calahorra in September

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

In September, Calahorra sees daytime highs around 25°C and nights near 13°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Calahorra 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 Calahorra peaks around July 13 at about 9 (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 13UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec2Low
Location & terrain

Where is Calahorra?

Calahorra sits at 42.3°N, 2.0°W, 352 m above sea level, in Spain. The nearest listed city is Tudela, 40 km away.

Topography around Calahorra

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

Within 3 km, the terrain around Calahorra has only modest variations in elevation — a maximum elevation change of 150 m around an average of 330 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 642 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,106 m.

The land around Calahorra is covered by cropland (43%) within 3 km, cropland (49%) and grassland (27%) within 16 km, and cropland (36%), trees (31%) and grassland (25%) within 80 km.

3 km
150 m
16 km
642 m
80 km
2,106 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tudela 40 km · Logroño 44 km · Barañáin 60 km · Iturrama 61 km · Ermitagaña 61 km · Primer Ensanche 62 km · Segundo Ensanche 62 km · Pamplona 63 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 Calahorra (42.3051°, -1.9652°, elevation 352 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).