Very high risk. Severe burns possible in minutes.
UV index 9 represents severe UV radiation. Fair skin can burn in under 8 minutes. This level is common in tropical and subtropical regions during peak hours and requires maximum protection.
UV 9 occurs at midday in tropical destinations, at altitude in subtropical areas, and during peak summer in Mediterranean climates. It is a level that most travellers from higher latitudes are not acclimatised to.
Estimated minutes until sunburn begins for each Fitzpatrick skin type at UV 9 without sunscreen or protective clothing.
| Skin Type | Burn Time | With SPF 30 | With SPF 50 |
|---|---|---|---|
| Type I - Very fair, always burns | 7 min | ~21 min | ~28 min |
| Type II - Fair, burns easily | 10 min | ~30 min | ~40 min |
| Type III - Medium, sometimes burns | 17 min | ~51 min | ~68 min |
| Type IV - Olive, rarely burns | 27 min | ~81 min | ~108 min |
| Type V - Brown, very rarely burns | 40 min | ~120 min | ~120 min |
| Type VI - Dark, never burns | 60 min | ~120 min | ~120 min |
Times are estimates based on Fitzpatrick skin typing at UV 9. Actual burn times vary by skin condition, altitude, reflection, and acclimatisation.
Beach time and water sports should be limited to early morning or late afternoon. Even with SPF 50, prolonged midday exposure is risky.
Not safely. At UV 9, most skin burns before it tans. Seek shade around midday and wait for UV to fall to 3–5.
Best UV index for tanning — full guide →Personalise your sun exposure estimate based on skin type, SPF, and clothing.
Seek shade immediately or apply SPF protection.