Last updated: August 27, 2025
In September, the average temperature in Castillejo-Sierra, Spain is a pleasant 19°C (67°F), with a comfortable average humidity of 64%. Expect a minimum chill of 4°C (39°F) and the potential for warm highs reaching up to 32°C (90°F). During this month, the area typically experiences about 34 mm (1.4 in) of precipitation spread over 5 days, so don’t forget your umbrella!
In September in Castillejo-Sierra, the average temperature is 19°C (67°F). Maximum temperatures can reach up to 32°C (90°F), while minimum temperatures can drop as low as 4°C (39°F). This variety in temperatures makes Castillejo-Sierra a great destination for travelers looking to experience both warm days and cool evenings.
In Castillejo-Sierra in September, the precipitation amount is 34 mm (1.4 in) spread over 5 days.
In Castillejo-Sierra in September, humidity is 64%. With an average temperature of 19°C (67°F), this humidity feels like a warm, sultry embrace, perfect for leisurely strolls and exploring local sights, though travelers should stay hydrated and take breaks in shaded areas to fully enjoy the vibrant atmosphere.
In Castillejo-Sierra 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 Castillejo-Sierra.
UV Risk Categories
Weather in Castillejo-Sierra varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Castillejo-Sierra, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 44 mm (1.8 inches) | 85% | moderate |
| February Weather | 6°C (44°F) | 47 mm (1.9 inches) | 80% | moderate |
| March Weather | 8°C (47°F) | 89 mm (3.5 inches) | 73% | high |
| April Weather | 10°C (51°F) | 101 mm (4.0 inches) | 69% | very high |
| May Weather | 15°C (60°F) | 59 mm (2.3 inches) | 64% | very high |
| June Weather | 20°C (69°F) | 31 mm (1.2 inches) | 59% | extreme |
| July Weather | 24°C (76°F) | 15 mm (0.6 inches) | 58% | extreme |
| August Weather | 24°C (76°F) | 18 mm (0.7 inches) | 58% | very high |
| September Weather | 19°C (67°F) | 34 mm (1.4 inches) | 64% | very high |
| October Weather | 14°C (57°F) | 56 mm (2.2 inches) | 76% | high |
| November Weather | 8°C (46°F) | 95 mm (3.7 inches) | 82% | moderate |
| December Weather | 5°C (42°F) | 80 mm (3.1 inches) | 84% | moderate |