September weather forecast and climate
Ibiza, Spain

The beautiful clear waterfront of the hilly island of Ibiza, Spain, with several ships ashore
The beautiful clear waterfront of the hilly island of Ibiza, Spain, with several ships ashore
September, the first month of the autumn, in Ibiza, is also a moderately hot month, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 25.2°C (77.4°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still warm 25.2°C (77.4°F). The average low-temperature, in Ibiza, Spain, is 23.5°C (74.3°F).

Humidity

The average relative humidity in September is 70%.

Rainfall

In Ibiza, in September, during 9.5 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, in Ibiza, there are 91.6 rainfall days, and 285mm (11.22") of precipitation is accumulated.

Snowfall

In Ibiza, Spain, snow does not fall in February through December.

Sea temperature

In Ibiza, the average water temperature is 25.3°C (77.5°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Ibiza, the average length of the day in September is 12.4h.

Sunshine

In Ibiza, the average sunshine in September is 9.3h.

UV index

In Ibiza, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Ibiza?

In September, in Ibiza, Spain, the average high-temperature is 25.2°C (77.4°F), and the average low-temperature is 23.5°C (74.3°F).

What is the average humidity in September in Ibiza?

In Ibiza, Spain, the average relative humidity in September is 70%.

How many days does it rain in September in Ibiza?

In Ibiza, during September, the rain falls for 9.5 days and regularly aggregates up to 37mm (1.46") of precipitation.

When it does not snow in Ibiza?

In Ibiza snow does not fall in February through December.

What is the water temperature in September in Ibiza?

In Ibiza, Spain, in September, the average water temperature is 25.3°C (77.5°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Ibiza have in September?

The average length of the day in September is 12.4h.

How many hours of sunshine does Ibiza have in September?

The average sunshine in September in Ibiza, Spain, is 9.3h.

How high is the UV index in September in Ibiza?

In Ibiza, Spain, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Ibiza, Spain
  • Average high temperature in September: 25.2°C

The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is February (14.2°C).

  • Average low temperature in September: 23.5°C

The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is February (12.2°C).

Average pressure in September - Ibiza, Spain
  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).

Average wind speed in September - Ibiza, Spain
  • Average wind speed in September: 15.5km/h

The windiest month (with the highest average wind speed) is November (23.5km/h).
The calmest months (with the lowest average wind speed) are June and July (14.2km/h).

Average humidity in September - Ibiza, Spain
  • Average humidity in September: 70%

The month with the highest relative humidity is April (75%).
The month with the lowest relative humidity is November (68%).

Average rainfall in September - Ibiza, Spain
  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is October (51mm).
The driest month (with the least rainfall) is July (2mm).

Average rainfall days in September - Ibiza, Spain
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is November (11.8 days).
The month with the least rainy days is July (2.9 days).

Average snowfall days in September - Ibiza, Spain
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.1 days).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in September - Ibiza, Spain
  • Average sea temperature in September: 25.3°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.3°C).

Average daylight in September / Average sunshine in September - Ibiza, Spain
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is June (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.4h).

Average sunshine days in September - Ibiza, Spain
  • Average sunshine days in September: 18.8 days

The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is November (16.1 days).

Average UV index in September - Ibiza, Spain
  • Average UV index in September: 6

Months with the highest UV index are July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 4).

Average cloud cover in September - Ibiza, Spain
  • Average cloud cover in September: 18

Months with the most cloud cover are January, November and December (Cloud cover 28).
The month with the least cloud cover is July (Cloud cover 10).

Average visibility in September - Ibiza, Spain
  • Average visibility in September: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).