September weather forecast and climate
Vale de Azares, Portugal

Weather in September

The first month of the autumn, September, is still a warm month in Vale de Azares, Portugal, with temperature in the range of an average low of 12.4°C (54.3°F) and an average high of 25.3°C (77.5°F).

Temperature

In September, the average high-temperature slightly decreases, from 29.2°C (84.6°F) in August, to a still moderately hot 25.3°C (77.5°F). In Vale de Azares, Portugal, the average low-temperature is 12.4°C (54.3°F).

Humidity

The average relative humidity in Vale de Azares, Portugal, is 55%.

Rainfall

In September, the rain falls for 5.9 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Vale de Azares, during the entire year, the rain falls for 113.4 days and collects up to 421mm (16.57") of precipitation.

Snowfall

May through October are months without snowfall in Vale de Azares.

Daylight

The average length of the day in Vale de Azares is 12.5h.

Sunshine

In September, the average sunshine in Vale de Azares is 9.5h.

UV index

In September, the average daily maximum UV index in Vale de Azares is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in September in Vale de Azares?

The average high-temperature, in September, is 25.3°C (77.5°F), while the average low-temperature is 12.4°C (54.3°F).

What is the average humidity in September in Vale de Azares?

In September, the average relative humidity is 55%.

How much does it rain in Vale de Azares in September?

In September, in Vale de Azares, Portugal, the rain falls for 5.9 days. Throughout September, 19mm (0.75") of precipitation is accumulated.

When it does not snow in Vale de Azares?

In Vale de Azares, Portugal, snow does not fall in May through October.

What is the average length of the day in September in Vale de Azares?

In September, the average length of the day in Vale de Azares is 12.5h.

How long on average sun shines in September in Vale de Azares?

In Vale de Azares, the average sunshine in September is 9.5h.

What is the UV index intensity in September in Vale de Azares?

In Vale de Azares, Portugal, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in September
Vale de Azares, Portugal

Average temperature in September - Vale de Azares, Portugal
  • Average high temperature in September: 25.3°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in September: 12.4°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).

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Average pressure in September
Vale de Azares, Portugal

Average pressure in September - Vale de Azares, Portugal
  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is December (1023.1mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in September
Vale de Azares, Portugal

Average wind speed in September - Vale de Azares, Portugal
  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).

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Average humidity in September
Vale de Azares, Portugal

Average humidity in September - Vale de Azares, Portugal
  • Average humidity in September: 55%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in September
Vale de Azares, Portugal

Average rainfall in September - Vale de Azares, Portugal
  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is August (6mm).

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Average rainfall days in September
Vale de Azares, Portugal

Average rainfall days in September - Vale de Azares, Portugal
  • Average rainfall days in September: 5.9 days

The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is August (2.7 days).

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Average snowfall in September
Vale de Azares, Portugal

Average snowfall in September - Vale de Azares, Portugal
  • Average snowfall in September: 0mm

Months with the highest snowfall are January and February (44mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in September
Vale de Azares, Portugal

Average snowfall days in September - Vale de Azares, Portugal
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.9 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Vale de Azares, Portugal

Average daylight in September / Average sunshine in September - Vale de Azares, Portugal
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 9.5h

Months with the most sunshine are July and August (Average sunshine: 11.6h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days in September
Vale de Azares, Portugal

Average sunshine days in September - Vale de Azares, Portugal
  • Average sunshine days in September: 22.7 days

The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is April (12.5 days).

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Average UV index in September
Vale de Azares, Portugal

Average UV index in September - Vale de Azares, Portugal
  • Average UV index in September: 5

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Vale de Azares, Portugal

Average cloud cover in September - Vale de Azares, Portugal
  • Average cloud cover in September: 20

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in September
Vale de Azares, Portugal

Average visibility in September - Vale de Azares, Portugal
  • Average visibility in September: 10km

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

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