Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Sepidan, Iran, where exposure to harmful ultraviolet rays can vary significantly throughout the day. With its BSk climate, Sepidan experiences bright sunny days, especially in September, leading to peak UV levels that can reach an alarming 14 between noon and 1 PM. This makes awareness of UV levels essential—not just for avoiding painful sunburns, but also for protecting long-term skin health. By keeping an eye on the UV Index, you can take proactive steps to enjoy the sun safely and maintain your well-being in this beautiful region.
As the sun rises, the UV Index starts off modest, peaking at just 1 by 7:00 AM. However, it quickly ramps up throughout the morning, reaching 3 by 8:00 AM and hitting 6 by 9:00 AM. The intensity reaches its zenith at 12:00 PM, soaring to an intense 14, remaining at this peak until 1:00 PM. Post-lunch, the index begins to taper off, descending to 12 by 2:00 PM and gradually declining through the afternoon, landing at 5 by 4:00 PM. As daylight wanes, the UV levels drop significantly, concluding the day with a gentle 1 by 6:00 PM. It's a clear reminder to stay sun-safe, particularly during those midday hours when the UV Index is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As we transition through the year, the UV Index shows significant seasonal changes, with the highest levels peaking during the late spring and summer months. From February to September, the UV Index reaches extreme levels, particularly in May and June, where it hits a peak of 14. The high-risk months for UV exposure are March through September, where the burn time is notably quick at just 10 minutes for most of this period. Visitors and residents are strongly advised to take precautions, such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV levels are highest. As the year winds down, the UV Index decreases, dropping to 7 in November and 6 in December, allowing for safer outdoor activities during these colder months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karaj UVI | 4 | 5 | 8 | 9 | 12 | 12 | 11 | 10 | 10 | 7 | 4 | 3 |
| Mashhad UVI | 4 | 5 | 8 | 10 | 12 | 12 | 12 | 11 | 10 | 7 | 4 | 3 |
| Tehran UVI | 4 | 6 | 8 | 9 | 13 | 12 | 11 | 10 | 10 | 7 | 5 | 3 |
| Tabriz UVI | 4 | 5 | 9 | 10 | 12 | 12 | 12 | 11 | 9 | 7 | 4 | 3 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |
| Sepidan | 7 | 9 | 12 | 12 | 14 | 14 | 13 | 12 | 12 | 10 | 7 | 6 |