Puerto del Rosario
Spain
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Puerto del Rosario, Spain

September, the first month of the autumn, in Puerto del Rosario, is still a warm month, with temperature in the range of an average high of 27.5°C (81.5°F) and an average low of 21.2°C (70.2°F).

Temperature

In September, the average high-temperature is practically the same as in August - a still warm 27.5°C (81.5°F). In Puerto del Rosario, Spain, in September, the average low-temperature is 21.2°C (70.2°F).

Heat index

The average heat index in September is appraised at 29.9°C (85.8°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, pregnancy, clothing). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Puerto del Rosario, Spain, is 72%.

Rainfall

January through May, September through December are months with rainfall in Puerto del Rosario. September is the first month it rains. Throughout September, in the average 1 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, in Puerto del Rosario, Spain, there are 16 rainfall days, and 97mm (3.82") of precipitation is accumulated.

Sea temperature

September and October, with an average sea temperature of 22.7°C (72.9°F), are months with the warmest seawater in Puerto del Rosario.
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22.7°C (72.9°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

The average length of the day in September is 12.3h.

Sunshine

The average sunshine is 8.2h.

UV index

The average daily maximum UV index in Puerto del Rosario is 9. A UV Index value of 8 to 10 symbolizes a very high threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 9 in September interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Protect yourself by liberally applying a sunscreen of at least 30 SPF. Sunscreen prevents sunburn and decreases the damaging effects of Sun's radiation on the immune system. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Puerto del Rosario?

In September, in Puerto del Rosario, Spain, the average high-temperature is 27.5°C (81.5°F), and the average low-temperature is 21.2°C (70.2°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that factores the actual air temperature with the relative humidity, is calculated to 29.9°C (85.8°F).

What is the average humidity in September in Puerto del Rosario?

The average relative humidity in September in Puerto del Rosario, Spain, is 72%.

When does it start raining in Puerto del Rosario?

September is the first month it rains in Puerto del Rosario, Spain. Throughout September, in the average 1 rainfall days, it receives 2mm (0.08") of precipitation.

What are the months with the warmest sea water in Puerto del Rosario?

September and October, with an average sea temperature of 22.7°C (72.9°F), are months with the warmest seawater in Puerto del Rosario.

What is the water temperature in September in Puerto del Rosario?

In September, the average sea temperature in Puerto del Rosario is 22.7°C (72.9°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22.7°C (72.9°F) water may be enjoyable.

How many hours of daylight does Puerto del Rosario have in September?

In Puerto del Rosario, the average length of the day in September is 12.3h.

How long on average sun shines in September in Puerto del Rosario?

In September, the average sunshine in Puerto del Rosario is 8.2h.

How high is the UV index in September in Puerto del Rosario?

In Puerto del Rosario, the average daily maximum UV index in September is 9. A UV Index of 8 to 10 symbolizes a very high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Puerto del Rosario, Spain
  • Average high temperature in September: 27.5°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (20.6°C).

  • Average low temperature in September: 21.2°C

The month with the highest average low temperature is August (21.5°C).
The coldest month (with the lowest average low temperature) is January (14.7°C).

Average humidity in September - Puerto del Rosario, Spain
  • Average humidity in September: 72%

The month with the highest relative humidity is October (73%).
The month with the lowest relative humidity is April (65%).

Average rainfall in September - Puerto del Rosario, Spain
  • Average rainfall in September: 2mm

The wettest month (with the highest rainfall) is December (26mm).
Driest months (with the lowest rainfall) are June, July and August (0mm).

Average rainfall days in September - Puerto del Rosario, Spain
  • Average rainfall days in September: 1 days

Months with the highest number of rainy days are January and December (3 days).
Months with the lowest number of rainy days are May, June, July and August (0 days).

Average sea temperature in September - Puerto del Rosario, Spain
  • Average sea temperature in September: 22.7°C

Best months for swimming (with the highest average sea temperature) are September and October (22.7°C).
The coldest month (with the lowest average sea temperature) is February (18.6°C).

Average daylight in September / Average sunshine in September - Puerto del Rosario, Spain
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.9h).
The month with shortest days is December (Average daylight: 10.4h).

  • Average sunshine in September: 8.2h

Months with most sunshine are June and July (Average sunshine: 9.5h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in September - Puerto del Rosario, Spain
  • Average UV index in September: 9

Months with the highest UV index are June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 4).