Last updated: August 25, 2025
In l'Aldosa, Andorra, the average temperature for September hovers around 11°C (52°F), making it a mild time of year. However, be prepared for temperature fluctuations, as the minimum can dip to -3°C (27°F) while the maximum can reach up to 23°C (74°F). With an average precipitation of 70 mm (2.8 in) over approximately 12 days, and an average humidity of 73%, it’s wise to pack your layers and an umbrella!
In September in l'Aldosa, the average temperature is 11°C (52°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -3°C (27°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.
In l'Aldosa in September, the precipitation amount is 70 mm (2.8 in) over the course of 12 days.
In l'Aldosa in September humidity is 73%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that creeps into your bones, making outdoor exploration tricky but invigorating, as the cool air and moisture combine to create a refreshing yet slightly uncomfortable atmosphere for traveling.
In l'Aldosa in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in l'Aldosa.
UV Risk Categories
Weather in l'Aldosa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in l'Aldosa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 76 mm (3.0 inches) | 87% | moderate |
| February Weather | 0°C (33°F) | 60 mm (2.4 inches) | 83% | moderate |
| March Weather | 1°C (34°F) | 87 mm (3.4 inches) | 80% | high |
| April Weather | 3°C (38°F) | 93 mm (3.7 inches) | 77% | very high |
| May Weather | 8°C (46°F) | 111 mm (4.4 inches) | 75% | very high |
| June Weather | 13°C (55°F) | 115 mm (4.5 inches) | 74% | extreme |
| July Weather | 15°C (60°F) | 65 mm (2.6 inches) | 72% | extreme |
| August Weather | 15°C (60°F) | 78 mm (3.1 inches) | 70% | very high |
| September Weather | 11°C (52°F) | 70 mm (2.8 inches) | 73% | very high |
| October Weather | 7°C (45°F) | 85 mm (3.3 inches) | 82% | high |
| November Weather | 1°C (33°F) | 86 mm (3.4 inches) | 87% | moderate |
| December Weather | -1°C (30°F) | 93 mm (3.7 inches) | 88% | low |