Last updated: August 27, 2025
In September, the average temperature in Lastras de Cuellar, Spain is a pleasant 18°C (65°F). Expect a minimum chill of 3°C (37°F) and the possibility of warm days soaring up to 33°C (91°F). With an average humidity of 65%, you'll feel the warmth, but it won't be unbearable. Be prepared for some light showers, as precipitation totals 26 mm (1.0 in) over the course of 6 days.
In September in Lastras de Cuellar, the average temperature is 18°C (65°F), with maximums reaching 33°C (91°F) and minimums falling as low as 3°C (37°F). This makes it an ideal time for travelers who enjoy mild to warm weather, but it's wise to pack for both warm days and cooler evenings.
In Lastras de Cuellar in September, the precipitation amount is 26 mm (1.0 in) over the course of 6 days.
In Lastras de Cuellar in September, humidity is 65%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace that clings to your skin, making you feel slightly sticky as you explore. It's comfortable enough for sightseeing, but breathable enough to enjoy a leisurely stroll, though you might find yourself seeking shade during the warmest parts of the day.
In Lastras de Cuellar 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 Lastras de Cuellar.
UV Risk Categories
Weather in Lastras de Cuellar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lastras de Cuellar, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 55 mm (2.2 inches) | 90% | moderate |
| February Weather | 6°C (43°F) | 52 mm (2.1 inches) | 86% | moderate |
| March Weather | 8°C (46°F) | 64 mm (2.5 inches) | 79% | high |
| April Weather | 10°C (51°F) | 87 mm (3.4 inches) | 74% | very high |
| May Weather | 15°C (59°F) | 55 mm (2.2 inches) | 71% | very high |
| June Weather | 19°C (67°F) | 47 mm (1.8 inches) | 63% | extreme |
| July Weather | 23°C (73°F) | 17 mm (0.7 inches) | 59% | extreme |
| August Weather | 23°C (73°F) | 14 mm (0.6 inches) | 58% | very high |
| September Weather | 18°C (65°F) | 26 mm (1.0 inches) | 65% | very high |
| October Weather | 13°C (56°F) | 53 mm (2.1 inches) | 77% | high |
| November Weather | 7°C (45°F) | 81 mm (3.2 inches) | 87% | moderate |
| December Weather | 5°C (42°F) | 81 mm (3.2 inches) | 90% | low |