Last updated: May 3, 2025
In Kilometro Noventa y Nueve, Mexico, being aware of the UV Index is essential for protecting your skin and overall health. Understanding the levels of ultraviolet radiation is crucial, especially during peak hours, as it allows residents and visitors to take necessary precautions against sunburn and long-term skin damage. With a BWh climate known for its sun-soaked days, this area experiences significant UV exposure, particularly around noon when levels can soar to 13. By staying informed about the UV Index, you can enjoy the beautiful outdoors while keeping your skin safe from harm.
Throughout the day, the UV Index displays a striking ascent, peaking at 13 between 12:00 and 13:00—the most intense sun exposure period. Starting from a mild 1 at 07:00, it gradually escalates, reaching 10 by 11:00, and a robust 7 by 10:00. As the sun climbs higher, the UV levels become a concern for outdoor activities, advising caution. After the peak hours, the index starts to dip, retreating to 6 at 16:00 and settling back to 1 by 19:00. If you're venturing outside, ensure you're protected during the midday surge to enjoy safe and sunny adventures!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure significantly fluctuates, with February through September identified as high-risk months due to extreme UV Index levels reaching as high as 13. During this period, the recommended burn time is notably reduced to just 10 minutes, necessitating vigilant sun protection. March, April, May, June, July, August, and September stand out as particularly dangerous times, while January, November, and December reflect a return to high exposure levels with longer burn times of 25 minutes. Visitors and residents are strongly advised to take precautionary measures, such as wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours, especially from late winter through early fall when the sun's intensity is greatest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kilometro Noventa y Nueve | 6 | 9 | 11 | 13 | 13 | 13 | 13 | 13 | 12 | 10 | 7 | 6 |
| Guadalajara UVI | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |
| Iztapalapa UVI | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |
| Ecatepec de Morelos UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
| Mexico City UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |