At solar noon (11:51:05 AM) the sun reaches 76.9° above the horizon in São Caetano do Sul. Without clouds, that corresponds to a maximum UV index of about 11.7 (extreme). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in São Caetano do Sul, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 76.9° | 11.7 Extreme | — | |
| 77.2° | 11.7 Extreme | — | |
| 77.6° | 11.8 Extreme | — | |
| 77.9° | 11.8 Extreme | — | |
| 78.3° | 11.8 Extreme | — | |
| 78.6° | 11.9 Extreme | — | |
| 79.0° | 11.9 Extreme | — | |
| 79.3° | 11.9 Extreme | — | |
| 79.6° | 12.0 Extreme | — | |
| 80.0° | 12.0 Extreme | — | |
| 80.3° | 12.0 Extreme | — | |
| 80.6° | 12.1 Extreme | — | |
| 80.9° | 12.1 Extreme | — | |
| 81.3° | 12.1 Extreme | — |
Clear-sky values are calculated from the sun's height at solar noon (cloud-free sky, average ozone). Forecast values from Open-Meteo include clouds and load in your browser.
High UV today? Sport sunscreen with SPF 100 stays on through sweat — essential for long outdoor activities.
View on Amazon →About São Caetano do Sul
São Caetano do Sul is a municipality located in the state of São Paulo, Brazil. Spanning an area of 15.3 square kilometers at an elevation of 744 meters, the city has existed as a municipality since 1877. As of 2025, the population is 172,693. Infrastructure includes the São Caetano do Sul-Pref. Walter Braido railway station, which serves the local transport network. Educational institutions in the area feature the Universidade Municipal de São Caetano do Sul and the Instituto Mauá de Tecnologia. Public space is provided by the Espaço Verde Chico Mendes urban park. The city maintains twin town agreements with Vittorio Veneto and Thiene.
AI-assisted description based on geographic data and editorial notes.