Last updated: August 27, 2025
In September, the average temperature in Grisalena, Spain hovers around 16°C (62°F), with a range spanning from a cool 3°C (37°F) to a warm 32°C (90°F). You'll likely experience 51 mm (2.0 in) of precipitation over the course of about 10 days, while the air remains comfortably humid, with an average humidity level of 77%.
In September in Grisalena, the average temperature is 16°C (62°F). Maximums can reach 32°C (90°F), and minimums can be as low as 3°C (37°F). Overall, it's a great time to visit Grisalena, as you can enjoy mild weather with the possibility of warm days and cool nights.
In Grisalena in September, the total precipitation amount is 51 mm (2.0 in) spread over a period of 10 days.
In Grisalena in September, humidity is 77%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel heavy and draining, so travelers may want to plan for breaks in shaded areas and stay hydrated.
In Grisalena 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 Grisalena.
UV Risk Categories
Weather in Grisalena varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grisalena, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 64 mm (2.5 inches) | 85% | moderate |
| February Weather | 6°C (43°F) | 61 mm (2.4 inches) | 83% | moderate |
| March Weather | 7°C (45°F) | 71 mm (2.8 inches) | 82% | high |
| April Weather | 9°C (49°F) | 104 mm (4.1 inches) | 81% | very high |
| May Weather | 13°C (55°F) | 75 mm (2.9 inches) | 81% | very high |
| June Weather | 16°C (62°F) | 88 mm (3.5 inches) | 83% | extreme |
| July Weather | 19°C (66°F) | 57 mm (2.2 inches) | 87% | very high |
| August Weather | 19°C (66°F) | 37 mm (1.5 inches) | 82% | very high |
| September Weather | 16°C (62°F) | 51 mm (2.0 inches) | 77% | very high |
| October Weather | 12°C (55°F) | 60 mm (2.4 inches) | 80% | high |
| November Weather | 7°C (46°F) | 84 mm (3.3 inches) | 83% | moderate |
| December Weather | 6°C (43°F) | 64 mm (2.5 inches) | 85% | low |