Dongobesh weather in September
In September, Dongobesh sees average daytime highs of 24°C and overnight lows near 13°C, with 4 mm of rain across 1.2 wet days and about 12 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 37% of the time in September, and the air most often feels dry.
Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Dongobesh's 1st-clearest and 1st-windiest month. For the whole year in context, see Dongobesh's year-round climate.
- Daytime high
- 24°
- 7th warmest
- Overnight low
- 13°
- 4th coldest
- Rainfall
- 4 mm
- 1.2 wet days
- Daylight
- 12 hours
- 6:33 AM – 6:32 PM
- Cloud cover
- 48%
- 1st clearest
- Wind
- 13 km/h
- 1st windiest
- Solar energy
- 6.67 kWh/m²
- Travel score
- 8.5
- out of 10
Temperature in September
Highs climb over the month, from about 23°C in the first days to 25°C by the end.
A typical September day in Dongobesh reaches about 24°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 22°C and 26°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°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) | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 23 | 12 |
| 2 | 23 | 12 |
| 3 | 23 | 12 |
| 4 | 23 | 12 |
| 5 | 23 | 12 |
| 6 | 24 | 12 |
| 7 | 24 | 12 |
| 8 | 24 | 12 |
| 9 | 24 | 12 |
| 10 | 24 | 12 |
| 11 | 24 | 12 |
| 12 | 24 | 12 |
| 13 | 24 | 12 |
| 14 | 24 | 12 |
| 15 | 24 | 12 |
| 16 | 24 | 12 |
| 17 | 24 | 13 |
| 18 | 24 | 13 |
| 19 | 24 | 13 |
| 20 | 24 | 13 |
| 21 | 25 | 13 |
| 22 | 25 | 13 |
| 23 | 25 | 13 |
| 24 | 25 | 13 |
| 25 | 25 | 13 |
| 26 | 25 | 13 |
| 27 | 25 | 13 |
| 28 | 25 | 13 |
| 29 | 25 | 13 |
| 30 | 25 | 13 |
Dongobesh weather by month
How September compares with the rest of the year at a glance. September is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 15° | 540 | 16.6 | 12.2 | 5.8 |
| Feb | 25° / 15° | 330 | 13.7 | 12.1 | 5.9 |
| Mar | 25° / 16° | 371 | 17.6 | 12 | 5.6 |
| Apr | 23° / 15° | 224 | 21.2 | 11.9 | 5.0 |
| May | 22° / 14° | 64 | 11.4 | 11.8 | 6.4 |
| Jun | 22° / 12° | 12 | 2.6 | 11.8 | 7.5 |
| Jul | 22° / 11° | 5 | 1.3 | 11.8 | 7.8 |
| Aug | 22° / 12° | 6 | 1.4 | 11.9 | 8.0 |
| Sep | 24° / 13° | 4 | 1.2 | 12 | 8.5 |
| Oct | 25° / 14° | 31 | 5.7 | 12.1 | 7.5 |
| Nov | 25° / 15° | 138 | 13.9 | 12.2 | 6.2 |
| Dec | 25° / 15° | 416 | 18.2 | 12.2 | 5.6 |
Cloud cover in September
The sky is clear or mostly clear about 37% of the time in September, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 28% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up 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 (%) | 60 | 60 | 60 | 61 | 61 | 62 | 62 | 63 | 63 | 64 | 64 | 65 | 66 | 67 | 66 | 67 | 68 | 69 | 68 | 68 | 69 | 69 | 69 | 68 | 68 | 68 | 67 | 66 | 66 | 65 |
| Cloudier (%) | 40 | 40 | 40 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 35 | 34 | 33 | 34 | 33 | 32 | 31 | 32 | 32 | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 34 | 34 | 35 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 60 | 40 |
| 2 | 60 | 40 |
| 3 | 60 | 40 |
| 4 | 61 | 39 |
| 5 | 61 | 39 |
| 6 | 62 | 38 |
| 7 | 62 | 38 |
| 8 | 63 | 37 |
| 9 | 63 | 37 |
| 10 | 64 | 36 |
| 11 | 64 | 36 |
| 12 | 65 | 35 |
| 13 | 66 | 34 |
| 14 | 67 | 33 |
| 15 | 66 | 34 |
| 16 | 67 | 33 |
| 17 | 68 | 32 |
| 18 | 69 | 31 |
| 19 | 68 | 32 |
| 20 | 68 | 32 |
| 21 | 69 | 31 |
| 22 | 69 | 31 |
| 23 | 69 | 31 |
| 24 | 68 | 32 |
| 25 | 68 | 32 |
| 26 | 68 | 32 |
| 27 | 67 | 33 |
| 28 | 66 | 34 |
| 29 | 66 | 34 |
| 30 | 65 | 35 |
Chance of precipitation in September
Dongobesh gets around 4 mm of rain over 1.2 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 4% and peaks near 8% 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 (%) | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 |
| Rain chance (%) | |
|---|---|
| 1 | 4 |
| 2 | 4 |
| 3 | 4 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 3 |
| 10 | 3 |
| 11 | 3 |
| 12 | 3 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 4 |
| 17 | 4 |
| 18 | 4 |
| 19 | 4 |
| 20 | 5 |
| 21 | 5 |
| 22 | 5 |
| 23 | 5 |
| 24 | 6 |
| 25 | 6 |
| 26 | 6 |
| 27 | 7 |
| 28 | 7 |
| 29 | 8 |
| 30 | 8 |
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 98% 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 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 97 | 97 | 96 | 96 | 96 | 95 | 95 | 94 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 6 |
| 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 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 98 | 2 |
| 21 | 98 | 2 |
| 22 | 98 | 2 |
| 23 | 97 | 3 |
| 24 | 97 | 3 |
| 25 | 96 | 4 |
| 26 | 96 | 4 |
| 27 | 96 | 4 |
| 28 | 95 | 5 |
| 29 | 95 | 5 |
| 30 | 94 | 6 |
Wind in September
Winds average 13 km/h in September, the windiest month of the year.
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 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over September. Sunrise moves from 6:41 AM to 6:27 AM, and sunset from 6:36 PM to 6:29 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) | 11.9 | 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 6:41 | 6:40 | 6:40 | 6:39 | 6:39 | 6:38 | 6:38 | 6:37 | 6:37 | 6:36 | 6:36 | 6:35 | 6:35 | 6:34 | 6:34 | 6:33 | 6:33 | 6:32 | 6:32 | 6:32 | 6:31 | 6:31 | 6:30 | 6:30 | 6:29 | 6:29 | 6:28 | 6:28 | 6:27 | 6:27 |
| Sunset (PM) | 6:36 | 6:36 | 6:35 | 6:35 | 6:35 | 6:35 | 6:34 | 6:34 | 6:34 | 6:34 | 6:33 | 6:33 | 6:33 | 6:33 | 6:32 | 6:32 | 6:32 | 6:32 | 6:31 | 6:31 | 6:31 | 6:31 | 6:30 | 6:30 | 6:30 | 6:30 | 6:29 | 6:29 | 6:29 | 6:29 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:41 | 6:36 |
| 2 | 11.9 | 6:40 | 6:36 |
| 3 | 11.9 | 6:40 | 6:35 |
| 4 | 11.9 | 6:39 | 6:35 |
| 5 | 11.9 | 6:39 | 6:35 |
| 6 | 11.9 | 6:38 | 6:35 |
| 7 | 11.9 | 6:38 | 6:34 |
| 8 | 11.9 | 6:37 | 6:34 |
| 9 | 12.0 | 6:37 | 6:34 |
| 10 | 12.0 | 6:36 | 6:34 |
| 11 | 12.0 | 6:36 | 6:33 |
| 12 | 12.0 | 6:35 | 6:33 |
| 13 | 12.0 | 6:35 | 6:33 |
| 14 | 12.0 | 6:34 | 6:33 |
| 15 | 12.0 | 6:34 | 6:32 |
| 16 | 12.0 | 6:33 | 6:32 |
| 17 | 12.0 | 6:33 | 6:32 |
| 18 | 12.0 | 6:32 | 6:32 |
| 19 | 12.0 | 6:32 | 6:31 |
| 20 | 12.0 | 6:32 | 6:31 |
| 21 | 12.0 | 6:31 | 6:31 |
| 22 | 12.0 | 6:31 | 6:31 |
| 23 | 12.0 | 6:30 | 6:30 |
| 24 | 12.0 | 6:30 | 6:30 |
| 25 | 12.0 | 6:29 | 6:30 |
| 26 | 12.0 | 6:29 | 6:30 |
| 27 | 12.0 | 6:28 | 6:29 |
| 28 | 12.0 | 6:28 | 6:29 |
| 29 | 12.0 | 6:27 | 6:29 |
| 30 | 12.0 | 6:27 | 6:29 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.67 kWh/m².
For context, solar energy here swings from a low near 5.22 kWh/m² to a high of 6.78 kWh/m² in October across the year — September's 6.67 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 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 |
| 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 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.6 | Intense |
| 13 | 6.6 | Intense |
| 14 | 6.6 | Intense |
| 15 | 6.7 | Intense |
| 16 | 6.7 | Intense |
| 17 | 6.7 | Intense |
| 18 | 6.8 | Intense |
| 19 | 6.8 | Intense |
| 20 | 6.8 | Intense |
| 21 | 6.8 | Intense |
| 22 | 6.9 | Intense |
| 23 | 6.9 | Intense |
| 24 | 6.9 | Intense |
| 25 | 6.9 | Intense |
| 26 | 6.9 | Intense |
| 27 | 6.9 | Intense |
| 28 | 6.9 | Intense |
| 29 | 6.9 | Intense |
| 30 | 6.9 | Intense |
Hazard calendar for Dongobesh
None of Dongobesh's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Dongobesh sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Dongobesh's monsoon runs December–March, when most of the year's rain falls.
Is September a good time to visit Dongobesh?
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 Dongobesh for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Dongobesh in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Dongobesh sees daytime highs around 24°C and nights near 13°C. Pack sun protection. Worth having: light clothes.
UV index in Dongobesh in September
Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Dongobesh peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 10 (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) | 15 | 16 | 16 | 15 | 12 | 10 | 11 | 12 | 14 | 15 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 14 | Extreme |
| Oct | 15 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Where is Dongobesh?
Dongobesh sits at 4.1°S, 35.4°E, 1,985 m above sea level, in Tanzania. The nearest listed city is Bashanet, 19 km away.
Topography around Dongobesh
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dongobesh.
Within 3 km, the terrain around Dongobesh has significant variations in elevation — a maximum elevation change of 325 m around an average of 2,016 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 644 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,403 m.
The land around Dongobesh is covered by cropland (53%), shrubs (21%) and grassland (21%) within 3 km, cropland (35%), shrubs (25%) and trees (20%) within 16 km, and cropland (33%) and shrubs (28%) within 80 km.
Tanzania travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type D / G
- 230 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $1,319
- 2025
- Happiness
- 3.9 / 10
- World Happiness, 2025
- Safe drinking water
- 31%
- of population, 2024
- Homicide rate
- 3.7
- per 100k, 2020
- Road deaths
- 31.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 479
- 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 Dongobesh (-4.0667°, 35.3833°, elevation 1,985 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).