September weather forecast and climate
Picadouro, Portugal

Weather in September

September, the first month of the autumn, in Picadouro, is also a moderately hot month, with average temperature ranging between max 27°C (80.6°F) and min 13.6°C (56.5°F).

Temperature

In September, the average high-temperature is practically the same as in August - a still warm 27°C (80.6°F). In Picadouro, Portugal, in September, the average low-temperature is 13.6°C (56.5°F).

Heat index

In September, the average heat index is estimated at 28.5°C (83.3°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. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air 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, wind). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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

Months with the lowest humidity are August and September, with an average relative humidity of 65%.

Rainfall

In Picadouro, Portugal, during September, the rain falls for 5.6 days and regularly aggregates up to 23mm (0.91") of precipitation. In Picadouro, Portugal, during the entire year, the rain falls for 119.4 days and collects up to 525mm (20.67") of precipitation.

Daylight

In Picadouro, the average length of the day is 12.4h.

Sunshine

The average sunshine is 9.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
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. 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.
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FAQ

What is the temperature in September in Picadouro?

The average high-temperature, in September, in Picadouro, is 27°C (80.6°F), while the average low-temperature is 13.6°C (56.5°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), that calculates temperature value influenced by the moisture in the air, is estimated at 28.5°C (83.3°F).

What is the least humid month in Picadouro?

August and September, with an average relative humidity of 65%, are the least humid months in Picadouro.

What is the average humidity in September in Picadouro?

The average relative humidity in September is 65%.

How many days does it rain in September in Picadouro?

In Picadouro, in September, it is raining for 5.6 days, with typically 23mm (0.91") of accumulated precipitation.

How many hours of daylight does Picadouro have in September?

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

How long on average sun shines in September in Picadouro?

The average sunshine in September in Picadouro, Portugal, is 9.2h.

What is the UV index intensity in September in Picadouro?

In September, the average daily maximum UV index in Picadouro, Portugal, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Picadouro, Portugal

Average temperature in September - Picadouro, Portugal
  • Average high temperature in September: 27°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 (12.9°C).

  • Average low temperature in September: 13.6°C

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (5.4°C).

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Average pressure in September
Picadouro, Portugal

Average pressure in September - Picadouro, Portugal
  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in September
Picadouro, Portugal

Average wind speed in September - Picadouro, Portugal
  • Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is September (7.2km/h).

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Average humidity in September
Picadouro, Portugal

Average humidity in September - Picadouro, Portugal
  • Average humidity in September: 65%

The month with the highest relative humidity is January (84%).
Months with the lowest relative humidity are August and September (65%).

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Average rainfall in September
Picadouro, Portugal

Average rainfall in September - Picadouro, Portugal
  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (4mm).

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Average rainfall days in September
Picadouro, Portugal

Average rainfall days in September - Picadouro, Portugal
  • Average rainfall days in September: 5.6 days

The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is August (2.8 days).

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Average daylight in September /
Average sunshine in September
Picadouro, Portugal

Average daylight in September / Average sunshine in September - Picadouro, Portugal
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 9.2h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in September
Picadouro, Portugal

Average sunshine days in September - Picadouro, Portugal
  • Average sunshine days in September: 23.3 days

The month with the most sunshine days is August (27.5 days).
Months with the least sunshine days are April and November (14.3 days).

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Average UV index in September
Picadouro, Portugal

Average UV index in September - Picadouro, Portugal
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in September
Picadouro, Portugal

Average cloud cover in September - Picadouro, Portugal
  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 48).
Months with the least cloud cover are July and August (Cloud cover 22).

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Average visibility in September
Picadouro, Portugal

Average visibility in September - Picadouro, Portugal
  • Average visibility in September: 9km

Months with the highest visibility are June, September, October and December (9km).
Months with the lowest visibility are January, February, March, April, May, July, August and November (8km).

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