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
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg low (°C) | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 15 |
| 2 | 27 | 15 |
| 3 | 27 | 15 |
| 4 | 27 | 14 |
| 5 | 27 | 14 |
| 6 | 27 | 14 |
| 7 | 26 | 14 |
| 8 | 26 | 14 |
| 9 | 26 | 14 |
| 10 | 26 | 14 |
| 11 | 26 | 14 |
| 12 | 26 | 13 |
| 13 | 25 | 13 |
| 14 | 25 | 13 |
| 15 | 25 | 13 |
| 16 | 25 | 13 |
| 17 | 25 | 13 |
| 18 | 24 | 13 |
| 19 | 24 | 13 |
| 20 | 24 | 12 |
| 21 | 24 | 12 |
| 22 | 24 | 12 |
| 23 | 24 | 12 |
| 24 | 24 | 12 |
| 25 | 23 | 12 |
| 26 | 23 | 12 |
| 27 | 23 | 12 |
| 28 | 23 | 12 |
| 29 | 23 | 12 |
| 30 | 23 | 11 |
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.
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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 10° / 3° | 40 | 8 | 1.2 | 9.3 | 2.4 |
| Feb | 12° / 3° | 31 | 7 | 1.2 | 10.3 | 3.2 |
| Mar | 15° / 5° | 39 | 8.3 | 0.7 | 11.6 | 4.8 |
| Apr | 18° / 7° | 57 | 9.9 | 0.2 | 13.1 | 5.6 |
| May | 22° / 10° | 59 | 10.2 | 0 | 14.4 | 6.5 |
| Jun | 26° / 14° | 47 | 7.8 | 0 | 15 | 7.1 |
| Jul | 29° / 16° | 28 | 5.6 | 0 | 14.8 | 6.2 |
| Aug | 29° / 16° | 31 | 5.9 | 0 | 13.7 | 6.2 |
| Sep | 25° / 13° | 36 | 6.9 | 0 | 12.3 | 7.5 |
| Oct | 20° / 10° | 48 | 7.8 | 0 | 10.8 | 6.6 |
| Nov | 14° / 6° | 50 | 9 | 0.6 | 9.6 | 4.1 |
| Dec | 11° / 3° | 35 | 7.3 | 0.6 | 9 | 2.7 |
Cloud cover in September
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 69 | 68 | 67 | 67 | 68 | 67 | 67 | 66 | 66 | 66 | 66 | 65 | 65 | 64 | 64 | 63 | 63 | 63 | 62 | 61 | 61 | 61 | 61 | 60 | 60 | 59 | 59 | 59 | 58 | 58 |
| Cloudier (%) | 31 | 32 | 33 | 33 | 32 | 33 | 33 | 34 | 34 | 34 | 34 | 35 | 35 | 36 | 36 | 37 | 37 | 37 | 38 | 39 | 39 | 39 | 39 | 40 | 40 | 41 | 41 | 41 | 42 | 42 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 69 | 31 |
| 2 | 68 | 32 |
| 3 | 67 | 33 |
| 4 | 67 | 33 |
| 5 | 68 | 32 |
| 6 | 67 | 33 |
| 7 | 67 | 33 |
| 8 | 66 | 34 |
| 9 | 66 | 34 |
| 10 | 66 | 34 |
| 11 | 66 | 34 |
| 12 | 65 | 35 |
| 13 | 65 | 35 |
| 14 | 64 | 36 |
| 15 | 64 | 36 |
| 16 | 63 | 37 |
| 17 | 63 | 37 |
| 18 | 63 | 37 |
| 19 | 62 | 38 |
| 20 | 61 | 39 |
| 21 | 61 | 39 |
| 22 | 61 | 39 |
| 23 | 61 | 39 |
| 24 | 60 | 40 |
| 25 | 60 | 40 |
| 26 | 59 | 41 |
| 27 | 59 | 41 |
| 28 | 59 | 41 |
| 29 | 58 | 42 |
| 30 | 58 | 42 |
Chance of precipitation in September
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 20 |
| Rain chance (%) | |
|---|---|
| 1 | 21 |
| 2 | 21 |
| 3 | 21 |
| 4 | 22 |
| 5 | 22 |
| 6 | 22 |
| 7 | 22 |
| 8 | 22 |
| 9 | 22 |
| 10 | 23 |
| 11 | 23 |
| 12 | 23 |
| 13 | 23 |
| 14 | 23 |
| 15 | 23 |
| 16 | 23 |
| 17 | 23 |
| 18 | 23 |
| 19 | 23 |
| 20 | 23 |
| 21 | 23 |
| 22 | 23 |
| 23 | 23 |
| 24 | 23 |
| 25 | 22 |
| 26 | 22 |
| 27 | 21 |
| 28 | 21 |
| 29 | 20 |
| 30 | 20 |
Humidity in September
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 59 | 61 | 62 | 63 | 63 | 65 | 66 | 67 | 68 | 69 | 69 | 70 | 70 | 71 | 72 | 72 | 73 | 74 | 74 | 76 | 77 | 77 | 78 | 79 | 80 | 81 | 81 | 82 | 83 | 85 |
| Comfortable (%) | 32 | 31 | 30 | 29 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 15 | 14 |
| Humid (%) | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 59 | 32 | 9 |
| 2 | 61 | 31 | 8 |
| 3 | 62 | 30 | 8 |
| 4 | 63 | 29 | 8 |
| 5 | 63 | 29 | 8 |
| 6 | 65 | 28 | 7 |
| 7 | 66 | 27 | 7 |
| 8 | 67 | 26 | 7 |
| 9 | 68 | 26 | 6 |
| 10 | 69 | 25 | 6 |
| 11 | 69 | 25 | 6 |
| 12 | 70 | 25 | 5 |
| 13 | 70 | 25 | 5 |
| 14 | 71 | 25 | 4 |
| 15 | 72 | 24 | 4 |
| 16 | 72 | 24 | 4 |
| 17 | 73 | 24 | 3 |
| 18 | 74 | 23 | 3 |
| 19 | 74 | 23 | 3 |
| 20 | 76 | 22 | 2 |
| 21 | 77 | 21 | 2 |
| 22 | 77 | 21 | 2 |
| 23 | 78 | 20 | 2 |
| 24 | 79 | 19 | 2 |
| 25 | 80 | 18 | 2 |
| 26 | 81 | 17 | 2 |
| 27 | 81 | 17 | 2 |
| 28 | 82 | 16 | 2 |
| 29 | 83 | 15 | 2 |
| 30 | 85 | 14 | 1 |
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
Sunrise & sunset in September
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.0 | 13.0 | 12.9 | 12.9 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.8 | 11.8 | 11.7 | 11.7 | 11.6 | 11.6 |
| Sunrise (AM) | 6:37 | 6:39 | 6:40 | 6:41 | 6:42 | 6:43 | 6:44 | 6:45 | 6:46 | 6:47 | 6:48 | 6:49 | 6:50 | 6:52 | 6:53 | 6:54 | 6:55 | 6:56 | 6:57 | 6:58 | 6:59 | 7:00 | 7:01 | 7:03 | 7:04 | 7:05 | 7:06 | 7:07 | 7:08 | 7:09 |
| Sunset (PM) | 7:38 | 7:36 | 7:34 | 7:32 | 7:31 | 7:29 | 7:27 | 7:25 | 7:23 | 7:22 | 7:20 | 7:18 | 7:16 | 7:14 | 7:12 | 7:11 | 7:09 | 7:07 | 7:05 | 7:03 | 7:01 | 7:00 | 6:58 | 6:56 | 6:54 | 6:52 | 6:50 | 6:49 | 6:47 | 6:45 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.0 | 6:37 | 7:38 |
| 2 | 13.0 | 6:39 | 7:36 |
| 3 | 12.9 | 6:40 | 7:34 |
| 4 | 12.9 | 6:41 | 7:32 |
| 5 | 12.8 | 6:42 | 7:31 |
| 6 | 12.8 | 6:43 | 7:29 |
| 7 | 12.7 | 6:44 | 7:27 |
| 8 | 12.7 | 6:45 | 7:25 |
| 9 | 12.6 | 6:46 | 7:23 |
| 10 | 12.6 | 6:47 | 7:22 |
| 11 | 12.5 | 6:48 | 7:20 |
| 12 | 12.5 | 6:49 | 7:18 |
| 13 | 12.4 | 6:50 | 7:16 |
| 14 | 12.4 | 6:52 | 7:14 |
| 15 | 12.3 | 6:53 | 7:12 |
| 16 | 12.3 | 6:54 | 7:11 |
| 17 | 12.2 | 6:55 | 7:09 |
| 18 | 12.2 | 6:56 | 7:07 |
| 19 | 12.1 | 6:57 | 7:05 |
| 20 | 12.1 | 6:58 | 7:03 |
| 21 | 12.0 | 6:59 | 7:01 |
| 22 | 12.0 | 7:00 | 7:00 |
| 23 | 11.9 | 7:01 | 6:58 |
| 24 | 11.9 | 7:03 | 6:56 |
| 25 | 11.8 | 7:04 | 6:54 |
| 26 | 11.8 | 7:05 | 6:52 |
| 27 | 11.7 | 7:06 | 6:50 |
| 28 | 11.7 | 7:07 | 6:49 |
| 29 | 11.6 | 7:08 | 6:47 |
| 30 | 11.6 | 7:09 | 6:45 |
Solar energy in September
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.2 | 5.2 | 5.1 | 5.0 | 5.0 | 4.9 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.0 | 4.0 | 4.0 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.3 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.2 | Bright |
| 7 | 5.2 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.0 | Bright |
| 10 | 5.0 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.8 | Bright |
| 14 | 4.8 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.7 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.2 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.0 | Bright |
| 29 | 4.0 | Bright |
| 30 | 4.0 | Moderate |
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).
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.
UV index in Calahorra in September
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 5 | 6 | 7 | 9 | 9 | 8 | 6 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 2 | Low |
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.
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
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).