(Äp'É-nÄf'rÄ­n) A hormone that is secreted by the adrenal gland in response to physical or mental stress, as from fear, and is regulated by the autonomic nervous system. The release of epinephrine causes an increase in heart rate, blood pressure, and respiratory rate.
The average maximum daytime temperature in Sicily in December is a comfortable 16Â°C (61Â°F), while the average minimum night-time temperature is a cool 11Â°C (52Â°F). On average 90 mm (3.5 inches) of rain normally falls in Sicily during December with rain falling on 12 days of the month.
Weather lowdown. September is a very pleasant time to visit Sicily. The weather is still fantastic, just like in Gozo, but the island isnât as crowded as it is in the summer months. During your stay you can expect plenty of clear blue skies with loads of sunshine and temperatures of up to 26Â°C during the warmest part of the day.