September weather forecast
Jerez, Spain

September, the first month of the autumn in Jerez, is still a tropical month, with an average temperature varying between 30.4°C (86.7°F) and 17°C (62.6°F).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 33.5°C (92.3°F) in August to a still hot 30.4°C (86.7°F). Throughout September, Jerez braces for a considerable drop from daytime highs, with an average low-temperature of 17°C (62.6°F).

Heat index

In September, the heat index is appraised at a tropical 34°C (93.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In Jerez, the average relative humidity in September is 61%.

Rainfall

In Jerez, in September, during 2 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Jerez, during the entire year, the rain falls for 51 days and collects up to 566mm (22.28") of precipitation.

Daylight

In September, the average length of the day in Jerez is 12h and 25min.
On the first day of the month, sunrise is at 07:56 and sunset at 20:52. On the last day of September, in Jerez, sunrise is at 08:19 and sunset at 20:09 CEST.

Sunshine

In Jerez, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In September, a regular UV index of 7 translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.