September weather forecast
Vale de Madeiros, Portugal

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Weather in September

September, the first month of the autumn in Vale de Madeiros, is also a moderately hot month, with an average temperature varying between 26.5°C (79.7°F) and 12.5°C (54.5°F).

Temperature

Vale de Madeiros records a mild change in average high-temperature during September, easing from 29.6°C (85.3°F) in August to a still warm 26.5°C (79.7°F). Vale de Madeiros anticipates a considerable drop in temperature at night in September, with an average low of 12.5°C (54.5°F).

Humidity

In Vale de Madeiros, the average relative humidity in September is 60%.

Rainfall

In Vale de Madeiros, in September, during 6.2 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Vale de Madeiros, during the entire year, the rain falls for 125.4 days and collects up to 553mm (21.77") of precipitation.

Snowfall

In Vale de Madeiros, snow does not fall in April through October and December.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 06:59 and sunset at 20:03. On the last day of September, sunrise is at 07:27 and sunset at 19:15 WEST.

Sunshine

In September, the average sunshine is 9.3h.

UV index

The average daily maximum UV index in September in Vale de Madeiros is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the average September temperature in Vale de Madeiros?

The average high-temperature, in September, in Vale de Madeiros, is 26.5°C (79.7°F), while the average low-temperature is 12.5°C (54.5°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is evaluated at 32°C (89.6°F).

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

The average relative humidity in September in Vale de Madeiros is 60%.

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

In Vale de Madeiros, Portugal, in September, during 6.2 rainfall days, 21mm (0.83") of precipitation is typically accumulated.

When it does not snow in Vale de Madeiros?

April through October and December are months without snowfall in Vale de Madeiros, Portugal.

How many hours of daylight does Vale de Madeiros have in September?

The average day length in September in Vale de Madeiros is 12h and 28min.

When are sunrise and sunset in September in Vale de Madeiros?

In September, on the first day of the month, sunrise is at 06:59 and sunset at 20:03. On the last day of the month, in Vale de Madeiros, sunrise is at 07:27 and sunset at 19:15 WEST.

How many hours of sunshine does Vale de Madeiros have in September?

The average sunshine duration in September in Vale de Madeiros, Portugal, is 9.3h.

How high is the UV index in September in Vale de Madeiros?

In September, the average daily maximum UV index in Vale de Madeiros is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Vale de Madeiros, Portugal

Average temperature in September - Vale de Madeiros, Portugal
  • Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (10.7°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).

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Average pressure in September
Vale de Madeiros, Portugal

Average pressure in September - Vale de Madeiros, Portugal
  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in September
Vale de Madeiros, Portugal

Average wind speed in September - Vale de Madeiros, Portugal
  • Average wind speed in September: 7km/h

The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).

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Average humidity in September
Vale de Madeiros, Portugal

Average humidity in September - Vale de Madeiros, Portugal
  • Average humidity in September: 60%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in September
Vale de Madeiros, Portugal

Average rainfall in September - Vale de Madeiros, Portugal
  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is July (6mm).

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Average rainfall days in September
Vale de Madeiros, Portugal

Average rainfall days in September - Vale de Madeiros, Portugal
  • Average rainfall days in September: 6.2 days

The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in September
Vale de Madeiros, Portugal

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

The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).

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Average snowfall days in September
Vale de Madeiros, Portugal

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

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Vale de Madeiros, Portugal
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in September
Vale de Madeiros, Portugal

Average sunshine days in September - Vale de Madeiros, Portugal
  • Average sunshine days in September: 22.9 days

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is April (13 days).

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Average UV index in September
Vale de Madeiros, Portugal

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

The months with the highest UV index are July and August (UV index 6).
The 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 Madeiros, Portugal

Average cloud cover in September - Vale de Madeiros, Portugal
  • Average cloud cover in September: 22

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 17).

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Average visibility in September
Vale de Madeiros, Portugal

Average visibility in September - Vale de Madeiros, Portugal
  • Average visibility in September: 9km

The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and November (7km).

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Vale de Madeiros, Portugal

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