September weather forecast and climate
Monte de Bera, Portugal

Weather in September

The first month of the autumn, September, is also a moderately hot month in Monte de Bera, Portugal, with temperature in the range of an average high of 27°C (80.6°F) and an average low of 13.6°C (56.5°F).

Temperature

In Monte de Bera, the average high-temperature is practically the same as in August - a still moderately hot 27°C (80.6°F). 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.
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', 'apparent temperature', 'feels like', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, wind, pregnancy, and metabolic differences affect individual temperature impact. 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

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

Rainfall

In September, in Monte de Bera, Portugal, the rain falls for 5.6 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, in Monte de Bera, there are 119.4 rainfall days, and 525mm (20.67") of precipitation is accumulated.

Daylight

In Monte de Bera, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in Monte de Bera is 9.2h.

UV index

In September, the average daily maximum UV index in Monte de Bera is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Monte de Bera?

In Monte de Bera, Portugal, in September, the average high-temperature is 27°C (80.6°F), and the average low-temperature is 13.6°C (56.5°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), that factores the actual air temperature with the relative humidity, in September is calculated to 28.5°C (83.3°F).

What are the least humid months in Monte de Bera?

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

What is the average humidity in September in Monte de Bera?

In September, the average relative humidity is 65%.

How many days does it rain in September in Monte de Bera?

In Monte de Bera, in September, during 5.6 rainfall days, 23mm (0.91") of precipitation is typically accumulated.

How many hours of daylight does Monte de Bera have in September?

In September, the average length of the day in Monte de Bera is 12.4h.

How long on average sun shines in September in Monte de Bera?

The average sunshine in September is 9.2h.

What is the UV index reading in September in Monte de Bera?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in September
Monte de Bera, Portugal

Average temperature in September - Monte de Bera, 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
Monte de Bera, Portugal

Average pressure in September - Monte de Bera, 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
Monte de Bera, Portugal

Average wind speed in September - Monte de Bera, 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
Monte de Bera, Portugal

Average humidity in September - Monte de Bera, 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
Monte de Bera, Portugal

Average rainfall in September - Monte de Bera, 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
Monte de Bera, Portugal

Average rainfall days in September - Monte de Bera, 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
Monte de Bera, Portugal

Average daylight in September / Average sunshine in September - Monte de Bera, 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
Monte de Bera, Portugal

Average sunshine days in September - Monte de Bera, 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
Monte de Bera, Portugal

Average UV index in September - Monte de Bera, 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
Monte de Bera, Portugal

Average cloud cover in September - Monte de Bera, 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
Monte de Bera, Portugal

Average visibility in September - Monte de Bera, 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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