September weather forecast and climate
Virela, Portugal

Weather in September

September, the first month of the autumn, in Virela, is also a moderately hot month, with average temperature fluctuating between 13.5°C (56.3°F) and 26.5°C (79.7°F).

Temperature

In Virela, the average high-temperature is almost the same as in August - a still moderately hot 26.5°C (79.7°F). The average low-temperature, in September, is 13.5°C (56.3°F).

Humidity

In September, the average relative humidity is 63%.

Rainfall

In Virela, in September, it is raining for 6.2 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, there are 127.4 rainfall days, and 613mm (24.13") of precipitation is accumulated.

Snowfall

May through October and December are months without snowfall.

Daylight

The average length of the day in Virela is 12.5h.

Sunshine

The average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index in Virela is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. 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.
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FAQ

What is the temperature in September in Virela?

In September, in Virela, Portugal, the average high-temperature is 26.5°C (79.7°F), and the average low-temperature is 13.5°C (56.3°F).

What is the average humidity in September in Virela?

The average relative humidity in September in Virela, Portugal, is 63%.

How many days does it rain in September in Virela?

In September, in Virela, Portugal, the rain falls for 6.2 days. Throughout September, 21mm (0.83") of precipitation is accumulated.

When it does not snow in Virela?

In Virela, Portugal, snow does not fall in May through October and December.

How many hours of daylight does Virela have in September?

In September, the average length of the day in Virela, Portugal, is 12.5h.

How many hours of sunshine does Virela have in September?

In September, the average sunshine in Virela, Portugal, is 9.3h.

What is the UV index intensity in September in Virela?

The average daily maximum UV index in September in Virela is 5. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in September
Virela, Portugal

Average temperature in September - Virela, Portugal
  • Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (12°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).

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Average pressure in September
Virela, Portugal

Average pressure in September - Virela, Portugal
  • Average pressure in September: 1017mbar

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
Virela, Portugal

Average wind speed in September - Virela, Portugal
  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is September (6.9km/h).

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Average humidity in September
Virela, Portugal

Average humidity in September - Virela, Portugal
  • Average humidity in September: 63%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in September
Virela, Portugal

Average rainfall in September - Virela, Portugal
  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is November (96mm).
The driest month (with the least rainfall) is July (6mm).

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Average rainfall days in September
Virela, Portugal

Average rainfall days in September - Virela, Portugal
  • Average rainfall days in September: 6.2 days

Months with the highest number of rainy days are January and April (14.7 days).
The month with the least rainy days is August (3.9 days).

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Average snowfall in September
Virela, Portugal

Average snowfall in September - Virela, Portugal
  • Average snowfall in September: 0mm

Months with the highest snowfall are January and March (2mm).
Months with the least snowfall are May, June, July, August, September, October and December (0mm).

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Average snowfall days in September
Virela, Portugal

Average snowfall days in September - Virela, Portugal
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January, February and March (0.3 days).
Months with the least snowfall days are May, June, July, August, September, October and December (0 days).

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

Average daylight in September / Average sunshine in September - Virela, Portugal
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in September
Virela, Portugal

Average sunshine days in September - Virela, Portugal
  • Average sunshine days in September: 21.9 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is November (13.5 days).

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Average UV index in September
Virela, Portugal

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

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in September
Virela, Portugal

Average cloud cover in September - Virela, Portugal
  • Average cloud cover in September: 22

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).

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Average visibility in September
Virela, Portugal

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

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

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