Huaraz weather in September
In September, Huaraz sees average daytime highs of 11°C and overnight lows near 0°C, with 163 mm of precipitation across 25 wet days and about 11.9 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 7% of the time in September, and the air most often feels dry.
Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Huaraz's 5th-clearest and 4th-windiest month. For the whole year in context, see Huaraz's year-round climate.
- Daytime high
- 11°
- 12th warmest
- Overnight low
- 0°
- 4th coldest
- Precipitation
- 163 mm
- 25 wet days
- Daylight
- 11 h 54 min
- 6:06 AM – 6:03 PM
- Cloud cover
- 73%
- 5th clearest
- Wind
- 4 km/h
- 4th windiest
- Solar energy
- 6.22 kWh/m²
- Travel score
- 1.6
- out of 10
Huaraz is city in Ancash, Peru.
- Density
- 321/km²
- people per km²
- Founded
- 1574
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 11°C through the month.
A typical September day in Huaraz reaches about 11°C in the afternoon and slips back to 0°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 12°C. Set against its neighbours, September runs on par with August and on par with 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) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Avg low (°C) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 11 | 0 |
| 2 | 11 | 0 |
| 3 | 11 | 0 |
| 4 | 11 | 0 |
| 5 | 11 | 0 |
| 6 | 11 | 0 |
| 7 | 11 | 0 |
| 8 | 11 | 0 |
| 9 | 11 | 0 |
| 10 | 11 | 0 |
| 11 | 11 | 0 |
| 12 | 11 | 0 |
| 13 | 11 | 0 |
| 14 | 10 | 0 |
| 15 | 10 | 0 |
| 16 | 10 | 0 |
| 17 | 10 | 0 |
| 18 | 10 | 0 |
| 19 | 10 | 0 |
| 20 | 10 | 0 |
| 21 | 10 | 0 |
| 22 | 10 | 0 |
| 23 | 10 | 0 |
| 24 | 10 | 0 |
| 25 | 10 | 0 |
| 26 | 10 | 0 |
| 27 | 10 | 0 |
| 28 | 10 | 0 |
| 29 | 10 | 0 |
| 30 | 10 | 1 |
How September really feels in Huaraz
Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 10 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is cold — wind chill drags the overnight "feels like" below the raw low.
Huaraz weather by month
How September compares with the rest of the year at a glance. September is the 12th-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 | 11° / 2° | 217 | 29.2 | 4.8 | 12.5 | 1.4 |
| Feb | 11° / 2° | 221 | 26.6 | 4.9 | 12.3 | 1.4 |
| Mar | 11° / 2° | 252 | 30.2 | 4.6 | 12.1 | 1.4 |
| Apr | 11° / 1° | 168 | 27.5 | 1.3 | 11.8 | 1.5 |
| May | 11° / 1° | 114 | 22.4 | 0.7 | 11.6 | 1.9 |
| Jun | 11° / -0° | 62 | 14.8 | 0.7 | 11.5 | 2.3 |
| Jul | 11° / -1° | 56 | 13.2 | 1.3 | 11.5 | 2.5 |
| Aug | 11° / -1° | 82 | 17.1 | 1.7 | 11.7 | 2.3 |
| Sep | 11° / 0° | 163 | 25 | 4.1 | 11.9 | 1.6 |
| Oct | 11° / 1° | 219 | 28.2 | 4.6 | 12.2 | 1.5 |
| Nov | 11° / 1° | 197 | 25.8 | 3.9 | 12.4 | 1.6 |
| Dec | 11° / 1° | 229 | 28.2 | 4.5 | 12.5 | 1.5 |
Cloud cover in September
The sky is clear or mostly clear about 7% 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 75%. 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 (%) | 43 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 35 | 33 | 31 | 30 | 29 | 27 | 25 | 23 | 20 | 19 | 17 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Cloudier (%) | 57 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 65 | 67 | 69 | 70 | 71 | 73 | 75 | 77 | 80 | 81 | 83 | 85 | 85 | 86 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 43 | 57 |
| 2 | 43 | 57 |
| 3 | 42 | 58 |
| 4 | 41 | 59 |
| 5 | 40 | 60 |
| 6 | 39 | 61 |
| 7 | 38 | 62 |
| 8 | 37 | 63 |
| 9 | 35 | 65 |
| 10 | 33 | 67 |
| 11 | 31 | 69 |
| 12 | 30 | 70 |
| 13 | 29 | 71 |
| 14 | 27 | 73 |
| 15 | 25 | 75 |
| 16 | 23 | 77 |
| 17 | 20 | 80 |
| 18 | 19 | 81 |
| 19 | 17 | 83 |
| 20 | 15 | 85 |
| 21 | 15 | 85 |
| 22 | 14 | 86 |
| 23 | 13 | 87 |
| 24 | 13 | 87 |
| 25 | 13 | 87 |
| 26 | 13 | 87 |
| 27 | 13 | 87 |
| 28 | 13 | 87 |
| 29 | 13 | 87 |
| 30 | 13 | 87 |
Chance of precipitation in September
Huaraz gets around 163 mm of rain and snow over 25 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 83% and peaks near 92% on the wettest days, and about 4 days bring snow. The odds climb toward the end of the month.
| 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 (%) | 67 | 68 | 69 | 70 | 71 | 72 | 74 | 75 | 76 | 78 | 79 | 80 | 81 | 83 | 84 | 85 | 86 | 88 | 88 | 89 | 90 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 92 | 92 |
| Snow chance (%) | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 67 | 7 |
| 2 | 68 | 7 |
| 3 | 69 | 7 |
| 4 | 70 | 7 |
| 5 | 71 | 8 |
| 6 | 72 | 8 |
| 7 | 74 | 9 |
| 8 | 75 | 9 |
| 9 | 76 | 10 |
| 10 | 78 | 11 |
| 11 | 79 | 11 |
| 12 | 80 | 12 |
| 13 | 81 | 12 |
| 14 | 83 | 13 |
| 15 | 84 | 14 |
| 16 | 85 | 14 |
| 17 | 86 | 15 |
| 18 | 88 | 15 |
| 19 | 88 | 16 |
| 20 | 89 | 16 |
| 21 | 90 | 17 |
| 22 | 91 | 17 |
| 23 | 91 | 17 |
| 24 | 92 | 17 |
| 25 | 92 | 17 |
| 26 | 92 | 17 |
| 27 | 92 | 17 |
| 28 | 92 | 16 |
| 29 | 92 | 16 |
| 30 | 92 | 16 |
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 100% 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 (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 100 |
| 30 | 100 |
Wind in September
Winds average 4 km/h in September.
Across September, daily wind ranges from about 4 km/h on the calmest days to 4 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) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 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 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
Sunrise & sunset in September
Daylight runs from about 11 h 48 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over September. Sunrise moves from 6:15 AM to 5:57 AM, and sunset from 6:04 PM to 6:02 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) | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 | 6:12 | 6:12 | 6:11 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 | 6:07 | 6:07 | 6:06 | 6:05 | 6:05 | 6:04 | 6:03 | 6:03 | 6:02 | 6:02 | 6:01 | 6:00 | 6:00 | 5:59 | 5:58 | 5:58 | 5:57 |
| Sunset (PM) | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:15 | 6:04 |
| 2 | 11.8 | 6:15 | 6:04 |
| 3 | 11.8 | 6:14 | 6:04 |
| 4 | 11.8 | 6:14 | 6:04 |
| 5 | 11.9 | 6:13 | 6:04 |
| 6 | 11.9 | 6:12 | 6:04 |
| 7 | 11.9 | 6:12 | 6:04 |
| 8 | 11.9 | 6:11 | 6:04 |
| 9 | 11.9 | 6:10 | 6:04 |
| 10 | 11.9 | 6:10 | 6:03 |
| 11 | 11.9 | 6:09 | 6:03 |
| 12 | 11.9 | 6:09 | 6:03 |
| 13 | 11.9 | 6:08 | 6:03 |
| 14 | 11.9 | 6:07 | 6:03 |
| 15 | 11.9 | 6:07 | 6:03 |
| 16 | 11.9 | 6:06 | 6:03 |
| 17 | 12.0 | 6:05 | 6:03 |
| 18 | 12.0 | 6:05 | 6:03 |
| 19 | 12.0 | 6:04 | 6:03 |
| 20 | 12.0 | 6:03 | 6:02 |
| 21 | 12.0 | 6:03 | 6:02 |
| 22 | 12.0 | 6:02 | 6:02 |
| 23 | 12.0 | 6:02 | 6:02 |
| 24 | 12.0 | 6:01 | 6:02 |
| 25 | 12.0 | 6:00 | 6:02 |
| 26 | 12.0 | 6:00 | 6:02 |
| 27 | 12.0 | 5:59 | 6:02 |
| 28 | 12.1 | 5:58 | 6:02 |
| 29 | 12.1 | 5:58 | 6:02 |
| 30 | 12.1 | 5:57 | 6:02 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.22 kWh/m².
For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 6.36 kWh/m² in November across the year — September's 6.22 kWh/m² sits near the top of that range.
| 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) | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.3 | Intense |
| 2 | 6.3 | Intense |
| 3 | 6.3 | Intense |
| 4 | 6.3 | Intense |
| 5 | 6.3 | Intense |
| 6 | 6.3 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.2 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.2 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.3 | Intense |
Is September a good time to visit Huaraz?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Huaraz.
What to pack for Huaraz in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Huaraz sees daytime highs around 11°C and nights near 0°C. Pack a warm layer, rain gear and sun protection. About 25 days see rain.
UV index in Huaraz in September
Clear-sky midday UV in September peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Huaraz peaks around February 14 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 18 | 20 | 18 | 16 | 14 | 11 | 12 | 14 | 15 | 18 | 17 | 16 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 18 | Extreme |
| Feb | 20 | Extreme |
| Mar | 18 | Extreme |
| Apr | 16 | Extreme |
| May | 14 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 15 | Extreme |
| Oct | 18 | Extreme |
| Nov | 17 | Extreme |
| Dec | 16 | Extreme |
Where is Huaraz?
Huaraz sits at 9.5°S, 77.5°W, 2,829 m above sea level, in Peru. The nearest listed city is Centenario, 1.0 km away.
Topography around Huaraz
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Huaraz.
Within 3 km, the terrain around Huaraz has significant variations in elevation — a maximum elevation change of 572 m around an average of 3,190 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,843 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,686 m.
The land around Huaraz is covered by artificial surfaces (29%), grassland (27%) and trees (22%) within 3 km, grassland (75%) within 16 km, and grassland (61%) and bare terrain (20%) within 80 km.
Peru travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 220 V · 60 Hz
- Prices
- ≈ 51% of US
- price level, 2025
- GDP per capita
- $9,684
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 49%
- of population, 2024
- Homicide rate
- 8.6
- per 100k, 2021
- Road deaths
- 13.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 519
- 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 Huaraz (-9.5261°, -77.5287°, elevation 2,829 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).