Schweizer-Reneke weather in September
In September, Schweizer-Reneke sees average daytime highs of 26°C and overnight lows near 11°C, with 12 mm of rain across 2.1 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 77% of the time in September, and the air most often feels dry.
Daylight stretches from about 11 h 24 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Schweizer-Reneke's 5th-clearest and 3rd-windiest month. For the whole year in context, see Schweizer-Reneke's year-round climate.
- Daytime high
- 26°
- 7th warmest
- Overnight low
- 11°
- 5th coldest
- Rainfall
- 12 mm
- 2.1 wet days
- Daylight
- 11 h 48 min
- 6:18 AM – 6:08 PM
- Cloud cover
- 22%
- 5th clearest
- Wind
- 13 km/h
- 3rd windiest
- Solar energy
- 6.22 kWh/m²
- Travel score
- 8.6
- out of 10
Schweizer-Reneke is place in North West, South Africa.
- Founded
- 1885
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs climb over the month, from about 25°C in the first days to 27°C by the end.
A typical September day in Schweizer-Reneke reaches about 26°C in the afternoon and slips back to 11°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 31°C. Set against its neighbours, September runs about 4°C warmer than August and about 2°C cooler 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) | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 8 |
| 2 | 25 | 9 |
| 3 | 25 | 9 |
| 4 | 25 | 9 |
| 5 | 25 | 9 |
| 6 | 25 | 9 |
| 7 | 25 | 9 |
| 8 | 26 | 10 |
| 9 | 26 | 10 |
| 10 | 26 | 10 |
| 11 | 26 | 10 |
| 12 | 26 | 10 |
| 13 | 26 | 10 |
| 14 | 26 | 10 |
| 15 | 26 | 11 |
| 16 | 26 | 11 |
| 17 | 26 | 11 |
| 18 | 27 | 11 |
| 19 | 27 | 11 |
| 20 | 27 | 11 |
| 21 | 27 | 11 |
| 22 | 27 | 11 |
| 23 | 27 | 12 |
| 24 | 27 | 12 |
| 25 | 27 | 12 |
| 26 | 27 | 12 |
| 27 | 27 | 12 |
| 28 | 27 | 12 |
| 29 | 27 | 12 |
| 30 | 27 | 12 |
Schweizer-Reneke weather by month
How September compares with the rest of the year at a glance. September is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 18° | 101 | 14.1 | 13.5 | 4.7 |
| Feb | 29° / 18° | 74 | 12.6 | 13 | 5.1 |
| Mar | 28° / 16° | 67 | 11.6 | 12.2 | 6.2 |
| Apr | 25° / 12° | 40 | 6.6 | 11.4 | 7.8 |
| May | 22° / 7° | 15 | 2.6 | 10.7 | 8.6 |
| Jun | 19° / 4° | 10 | 1.5 | 10.3 | 8.2 |
| Jul | 19° / 4° | 4 | 0.7 | 10.5 | 8.4 |
| Aug | 22° / 6° | 11 | 1.4 | 11 | 8.9 |
| Sep | 26° / 11° | 12 | 2.1 | 11.8 | 8.6 |
| Oct | 28° / 14° | 40 | 7.3 | 12.7 | 6.7 |
| Nov | 29° / 16° | 57 | 9.2 | 13.3 | 5.6 |
| Dec | 30° / 17° | 77 | 13 | 13.7 | 4.7 |
Cloud cover in September
The sky is clear or mostly clear about 77% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 12%. 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 (%) | 92 | 92 | 91 | 91 | 91 | 91 | 90 | 90 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 87 | 87 | 87 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 85 | 85 | 84 |
| Cloudier (%) | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 92 | 8 |
| 2 | 92 | 8 |
| 3 | 91 | 9 |
| 4 | 91 | 9 |
| 5 | 91 | 9 |
| 6 | 91 | 9 |
| 7 | 90 | 10 |
| 8 | 90 | 10 |
| 9 | 89 | 11 |
| 10 | 89 | 11 |
| 11 | 89 | 11 |
| 12 | 89 | 11 |
| 13 | 89 | 11 |
| 14 | 88 | 12 |
| 15 | 88 | 12 |
| 16 | 87 | 13 |
| 17 | 87 | 13 |
| 18 | 87 | 13 |
| 19 | 86 | 14 |
| 20 | 86 | 14 |
| 21 | 86 | 14 |
| 22 | 86 | 14 |
| 23 | 86 | 14 |
| 24 | 86 | 14 |
| 25 | 86 | 14 |
| 26 | 86 | 14 |
| 27 | 86 | 14 |
| 28 | 85 | 15 |
| 29 | 85 | 15 |
| 30 | 84 | 16 |
Chance of precipitation in September
Schweizer-Reneke gets around 12 mm of rain over 2.1 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 8% and peaks near 13% 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 (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 13 |
| Rain chance (%) | |
|---|---|
| 1 | 6 |
| 2 | 6 |
| 3 | 6 |
| 4 | 6 |
| 5 | 6 |
| 6 | 6 |
| 7 | 6 |
| 8 | 6 |
| 9 | 6 |
| 10 | 6 |
| 11 | 6 |
| 12 | 7 |
| 13 | 7 |
| 14 | 7 |
| 15 | 7 |
| 16 | 7 |
| 17 | 7 |
| 18 | 8 |
| 19 | 8 |
| 20 | 8 |
| 21 | 8 |
| 22 | 8 |
| 23 | 9 |
| 24 | 9 |
| 25 | 10 |
| 26 | 10 |
| 27 | 11 |
| 28 | 12 |
| 29 | 12 |
| 30 | 13 |
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 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 100 | 0 |
| 20 | 100 | 0 |
| 21 | 100 | 0 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 98 | 2 |
| 29 | 98 | 2 |
| 30 | 98 | 2 |
Wind in September
Winds average 13 km/h in September.
Across September, daily wind ranges from about 13 km/h on the calmest days to 13 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) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
Sunrise & sunset in September
Daylight runs from about 11 h 24 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over September. Sunrise moves from 6:35 AM to 6:01 AM, and sunset from 6:01 PM to 6:15 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) | 11.4 | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 |
| Sunrise (AM) | 6:35 | 6:34 | 6:33 | 6:32 | 6:31 | 6:30 | 6:28 | 6:27 | 6:26 | 6:25 | 6:24 | 6:23 | 6:21 | 6:20 | 6:19 | 6:18 | 6:17 | 6:15 | 6:14 | 6:13 | 6:12 | 6:11 | 6:09 | 6:08 | 6:07 | 6:06 | 6:05 | 6:03 | 6:02 | 6:01 |
| Sunset (PM) | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 6:35 | 6:01 |
| 2 | 11.5 | 6:34 | 6:02 |
| 3 | 11.5 | 6:33 | 6:02 |
| 4 | 11.5 | 6:32 | 6:03 |
| 5 | 11.5 | 6:31 | 6:03 |
| 6 | 11.6 | 6:30 | 6:04 |
| 7 | 11.6 | 6:28 | 6:04 |
| 8 | 11.6 | 6:27 | 6:05 |
| 9 | 11.6 | 6:26 | 6:05 |
| 10 | 11.7 | 6:25 | 6:06 |
| 11 | 11.7 | 6:24 | 6:06 |
| 12 | 11.7 | 6:23 | 6:06 |
| 13 | 11.8 | 6:21 | 6:07 |
| 14 | 11.8 | 6:20 | 6:07 |
| 15 | 11.8 | 6:19 | 6:08 |
| 16 | 11.8 | 6:18 | 6:08 |
| 17 | 11.9 | 6:17 | 6:09 |
| 18 | 11.9 | 6:15 | 6:09 |
| 19 | 11.9 | 6:14 | 6:10 |
| 20 | 12.0 | 6:13 | 6:10 |
| 21 | 12.0 | 6:12 | 6:11 |
| 22 | 12.0 | 6:11 | 6:11 |
| 23 | 12.0 | 6:09 | 6:11 |
| 24 | 12.1 | 6:08 | 6:12 |
| 25 | 12.1 | 6:07 | 6:12 |
| 26 | 12.1 | 6:06 | 6:13 |
| 27 | 12.1 | 6:05 | 6:13 |
| 28 | 12.2 | 6:03 | 6:14 |
| 29 | 12.2 | 6:02 | 6:14 |
| 30 | 12.2 | 6:01 | 6:15 |
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 3.81 kWh/m² to a high of 7.58 kWh/m² in December across the year — September's 6.22 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) | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | 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 | 5.7 | Bright |
| 2 | 5.7 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.9 | Bright |
| 7 | 5.9 | Bright |
| 8 | 6.0 | Bright |
| 9 | 6.0 | Bright |
| 10 | 6.0 | Intense |
| 11 | 6.1 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.1 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.5 | Intense |
| 24 | 6.5 | Intense |
| 25 | 6.5 | Intense |
| 26 | 6.6 | Intense |
| 27 | 6.6 | Intense |
| 28 | 6.6 | Intense |
| 29 | 6.7 | Intense |
| 30 | 6.7 | Intense |
Hazard calendar for Schweizer-Reneke
None of Schweizer-Reneke's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Schweizer-Reneke's rainy season runs November–March, when most of the year's rain falls.
Is September a good time to visit Schweizer-Reneke?
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 Schweizer-Reneke for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Schweizer-Reneke in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Schweizer-Reneke sees daytime highs around 26°C and nights near 11°C. Pack sun protection. Worth having: light clothes.
UV index in Schweizer-Reneke in September
Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Schweizer-Reneke peaks around January 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 5 (moderate).
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) | 15 | 13 | 12 | 8 | 6 | 5 | 5 | 7 | 9 | 11 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | High |
| Aug | 7 | Very high |
| Sep | 9 | Very high |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Schweizer-Reneke?
Schweizer-Reneke sits at 27.2°S, 25.3°E, 1,312 m above sea level, in South Africa. The nearest listed city is Bloemhof, 58 km away.
Topography around Schweizer-Reneke
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Schweizer-Reneke.
Within 3 km, the terrain around Schweizer-Reneke has only modest variations in elevation — a maximum elevation change of 53 m around an average of 1,307 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 142 m; within 80 km, significant variations in elevation — a maximum elevation change of 469 m.
The land around Schweizer-Reneke is covered by grassland (57%) and shrubs (24%) within 3 km, grassland (59%) and cropland (29%) within 16 km, and grassland (60%) and cropland (23%) within 80 km.
South Africa travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / M / N
- 230 V · 50 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $6,598
- 2025
- Happiness
- 5.0 / 10
- World Happiness, 2025
- Safe drinking water
- 68%
- of population, 2024
- Homicide rate
- 43.7
- per 100k, 2022
- Road deaths
- 22.2
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very high
- EF EPI 602
- 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 Schweizer-Reneke (-27.1887°, 25.3293°, elevation 1,312 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).