Ushuaia, Argentina UV Index in September
The average UV index in Ushuaia, Argentina in September is about 6.2 (High), peaking near 12 at midday on clear days. Fair skin (Type II) can burn in roughly 15 minutes without sunscreen. SPF 30–50 sunscreen, a hat and sunglasses are essential. Seek shade between 11am and 3pm.
What is the UV index in Ushuaia, Argentina in September?
Average UV
6.2
High
Midday Peak
12
Clear-sky estimate
Fair Skin Burn Time
15 min
Type II, no sunscreen
How long can you stay in the sun in Ushuaia, Argentina in September?
| Skin type | Time to first burn | With SPF 30 |
|---|---|---|
| Type 1 | 10 min | up to 240 min |
| Type 2 | 15 min | up to 240 min |
| Type 3 | 24 min | up to 240 min |
| Type 4 | 39 min | up to 240 min |
| Type 5 | 58 min | up to 240 min |
| Type 6 | 87 min | up to 240 min |
Estimates based on Ushuaia, Argentina's latitude and typical September sun angle. Cloud cover, altitude and reflection from water or sand can raise or lower the real UV. Check the live forecast before long days outside.
Ushuaia, Argentina UV Index by Month
When is the UV index highest and lowest in Ushuaia, Argentina?
Highest: December (about 8.2). Lowest: June (about 3.5).
| Month | Average UV | Midday peak | Level | Fair skin burn |
|---|---|---|---|---|
| January | 8.1 | 12 | Very High | 11 min |
| February | 7.6 | 12 | High | 12 min |
| March | 6.7 | 12 | High | 13 min |
| April | 5.5 | 11 | Moderate | 16 min |
| May | 4.2 | 8.4 | Moderate | 21 min |
| June | 3.5 | 7 | Moderate | 26 min |
| July | 3.8 | 7.6 | Moderate | 24 min |
| August | 4.9 | 9.8 | Moderate | 18 min |
| September | 6.2 | 12 | High | 15 min |
| October | 7.3 | 12 | High | 12 min |
| November | 7.9 | 12 | High | 11 min |
| December | 8.2 | 12 | Very High | 11 min |
Common questions about UV in Ushuaia, Argentina in September
Do you need sunscreen in Ushuaia, Argentina in September?
Yes. A UV index of 6.2 is High, so use SPF 30+ on exposed skin between 10am and 4pm and reapply every two hours.
Can you tan in Ushuaia, Argentina in September?
Yes, UV of 6.2 is strong enough to tan. Fair skin can burn in about 15 minutes, so build exposure slowly and use sunscreen.
What time of day is UV strongest in Ushuaia, Argentina?
UV peaks around solar noon, roughly 11am to 2pm local time, when it can reach about 12 in September. Mornings and late afternoons are safest.
Is September a good month to visit Ushuaia, Argentina for the sun?
September averages UV 6.2, compared with a yearly high of 8.2 in December and a low of 3.5 in June. Darker skin (Type VI) can burn in about 87 minutes at this level.