September weather forecast and climate
Las Cefiñas, Spain

The first month of the autumn, September, is also a moderately hot month in Las Cefiñas, Spain, with average temperature ranging between min 15.9°C (60.6°F) and max 29.7°C (85.5°F).

Temperature

In September, the average high-temperature marginally drops, from a hot 34.4°C (93.9°F) in August, to a moderately hot 29.7°C (85.5°F). The average low-temperature, is 15.9°C (60.6°F).

Heat index

In September, the average heat index is estimated at a tropical 30.8°C (87.4°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, differences in body mass, height, and shape), and activity. 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Las Cefiñas is 51%.

Rainfall

In Las Cefiñas, in September, during 5.2 rainfall days, 9mm (0.35") of precipitation is typically accumulated. Throughout the year, in Las Cefiñas, there are 90.1 rainfall days, and 296mm (11.65") of precipitation is accumulated.

Daylight

The average length of the day in Las Cefiñas is 12.4h.

Sunshine

The average sunshine is 9.6h.

UV index

The average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Las Cefiñas?

The average high-temperature, in September, in Las Cefiñas, is 29.7°C (85.5°F), while the average low-temperature is 15.9°C (60.6°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), that calculates temperature value influenced by the moisture in the air, in September is appraised at 30.8°C (87.4°F).

What is the average humidity in September in Las Cefiñas?

In Las Cefiñas, the average relative humidity in September is 51%.

How much does it rain in Las Cefiñas in September?

In Las Cefiñas, Spain, during September, the rain falls for 5.2 days and regularly aggregates up to 9mm (0.35") of precipitation.

How many hours of daylight does Las Cefiñas have in September?

In September, the average length of the day in Las Cefiñas, Spain, is 12.4h.

How long on average sun shines in September in Las Cefiñas?

In Las Cefiñas, the average sunshine in September is 9.6h.

What is the UV index intensity in September in Las Cefiñas?

In Las Cefiñas, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Las Cefiñas, Spain
  • Average high temperature in September: 29.7°C

The warmest month (with the highest average high temperature) is August (34.4°C).
The month with the lowest average high temperature is January (13.1°C).

  • Average low temperature in September: 15.9°C

The month with the highest average low temperature is August (17.2°C).
The coldest month (with the lowest average low temperature) is January (4°C).

Average pressure in September - Las Cefiñas, Spain
  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is August (1015.1mbar).

Average wind speed in September - Las Cefiñas, Spain
  • Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).

Average humidity in September - Las Cefiñas, Spain
  • Average humidity in September: 51%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (42%).

Average rainfall in September - Las Cefiñas, Spain
  • Average rainfall in September: 9mm

The wettest month (with the highest rainfall) is March (45mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in September - Las Cefiñas, Spain
  • Average rainfall days in September: 5.2 days

The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is July (1.3 days).

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

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 9.6h

Months with the most sunshine are July and August (Average sunshine: 11.7h).
The month with the least sunshine is January (Average sunshine: 5.4h).

Average sunshine days in September - Las Cefiñas, Spain
  • Average sunshine days in September: 24 days

The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is April (16.3 days).

Average UV index in September - Las Cefiñas, Spain
  • Average UV index in September: 5

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 3).

Average cloud cover in September - Las Cefiñas, Spain
  • Average cloud cover in September: 17

Months with the most cloud cover are January and April (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in September - Las Cefiñas, Spain
  • Average visibility in September: 10km

Months with the highest visibility are June, July, August and September (10km).
Months with the lowest visibility are January and April (8km).