Last updated: May 3, 2025
Understanding the UV Index in Septemvri, Bulgaria, is crucial for ensuring your skin health and preventing sunburn. As the sun’s rays can be deceptively harmful, being aware of the daily UV levels helps residents and visitors alike take the necessary precautions to protect their skin. September in Septemvri, with its temperate climate (Cfb), sees varying UV exposure, peaking at a formidable index of 9 around midday. This highlights the importance of being vigilant, especially during the sunniest hours, to enjoy the outdoors safely while minimizing the risks of overexposure.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to a 2, indicating a low risk of harm from unprotected sun exposure. However, from 09:00 onwards, the intensity builds, peaking at 9 between 13:00 and 14:00—a time when precautions are essential to protect skin from damage. The afternoon hours see a slight decrease, dropping to 8 at 15:00 and further declining to 4 by 17:00. As the sun sets, the UV Index falls back down to 1 by 19:00, marking a return to safer levels. Stay vigilant during those midday hours to enjoy the sunshine while keeping your skin healthy!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal variation, peaking during the summer months. From January to February, UV levels are relatively low, with a maximum exposure of 45 minutes in January. However, starting in March, the risk escalates considerably, reaching a high level by March (UV Index 7) and escalating to a very high category in April (UV Index 8) through July (UV Index 10). Notably, the highest risk period spans from April to August, with a consistent burn time of 15 minutes during these months. By September, the index decreases to 7, followed by October at 6, which still falls in the high category with a burn time of 25 minutes. The year concludes with reduced risk in November and December, reverting to low levels (UV Index 2), where individuals can spend up to 45 minutes in the sun without significant risk of burns. For visitors and residents, it is crucial to take precautions—such as wearing sunscreen, protective clothing, and seeking shade—especially between April and August to minimize exposure during these high-risk months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ruse UVI | 2 | 4 | 6 | 7 | 8 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Varna UVI | 2 | 4 | 6 | 7 | 8 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Burgas UVI | 2 | 4 | 6 | 7 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Plovdiv UVI | 2 | 4 | 6 | 8 | 9 | 10 | 9 | 9 | 7 | 6 | 3 | 2 |
| Sofia UVI | 2 | 4 | 7 | 7 | 9 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |
| Septemvri | 2 | 4 | 7 | 8 | 9 | 10 | 9 | 9 | 7 | 6 | 3 | 2 |