September weather forecast
Cala Bona, Spain

The first month of the autumn, September, is still a warm month in Cala Bona, Spain, with an average temperature varying between 18°C (64.4°F) and 27°C (80.6°F).

Temperature

During September, the average high-temperature is a still warm 27°C (80.6°F), maintaining a close resemblance to that of the preceding month. The average nighttime temperature in Cala Bona lowers to a comfortable 18°C (64.4°F) throughout September.

Rainfall

In Cala Bona, in September, it is raining for 8 days, with typically 63mm (2.48") of accumulated precipitation. Throughout the year, in Cala Bona, there are 122 rainfall days, and 672mm (26.46") of precipitation is accumulated.

Sea temperature

In Cala Bona, in September, the average water temperature is 24°C (75.2°F).
Note: Consideration of an individual's cold resistance, combined with conditions like sunshine, wind, and temperature, suggests that swimming in 24°C (75.2°F) water can be delightful. (Olympic swimming is usually in 25°C (77°F) to 28°C (82.4°F) water.)

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September in Cala Bona, sunrise is at 07:15 and sunset at 20:17. On the last day of the month, sunrise is at 07:42 and sunset at 19:30 CEST.

Sunshine

The average sunshine in September in Cala Bona is 8h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Attention! The reflection of both water and sand can increase the intensity of UV rays.