September weather forecast and climate
Vermil, Portugal

Weather in September

The first month of the autumn, September, is still a warm month in Vermil, Portugal, with average temperature ranging between max 25.8°C (78.4°F) and min 13.3°C (55.9°F).

Temperature

In September, the average high-temperature is essentially the same as in August - a still warm 25.8°C (78.4°F). The average low-temperature, in September, is 13.3°C (55.9°F).

Humidity

In September, the average relative humidity is 64%.

Rainfall

In Vermil, during September, the rain falls for 7.5 days and regularly aggregates up to 34mm (1.34") of precipitation. In Vermil, Portugal, during the entire year, the rain falls for 138 days and collects up to 860mm (33.86") of precipitation.

Snowfall

February through December are months without snowfall in Vermil, Portugal.

Daylight

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

Sunshine

The average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in Vermil is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
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 Vermil?

In Vermil, Portugal, in September, the average high-temperature is 25.8°C (78.4°F), and the average low-temperature is 13.3°C (55.9°F).

What is the average humidity in September in Vermil?

In Vermil, Portugal, the average relative humidity in September is 64%.

How much does it rain in Vermil in September?

In Vermil, in September, it is raining for 7.5 days, with typically 34mm (1.34") of accumulated precipitation.

When it does not snow in Vermil?

February through December are months without snowfall in Vermil, Portugal.

How many hours of daylight does Vermil have in September?

The average length of the day in September in Vermil is 12.5h.

How many hours of sunshine does Vermil have in September?

The average sunshine in September in Vermil, Portugal, is 9.1h.

What is the UV index reading in September in Vermil?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
Vermil, Portugal

Average temperature in September - Vermil, Portugal
  • Average high temperature in September: 25.8°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (11.4°C).

  • Average low temperature in September: 13.3°C

The month with the highest average low temperature is August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (4.7°C).

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Average pressure in September
Vermil, Portugal

Average pressure in September - Vermil, Portugal
  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in September
Vermil, Portugal

Average wind speed in September - Vermil, Portugal
  • Average wind speed in September: 6.5km/h

The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).

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Average humidity in September
Vermil, Portugal

Average humidity in September - Vermil, Portugal
  • Average humidity in September: 64%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in September
Vermil, Portugal

Average rainfall in September - Vermil, Portugal
  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is December (131mm).
The driest month (with the least rainfall) is July (10mm).

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Average rainfall days in September
Vermil, Portugal

Average rainfall days in September - Vermil, Portugal
  • Average rainfall days in September: 7.5 days

The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (4.6 days).

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Average snowfall in September
Vermil, Portugal

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

The month with the highest snowfall is January (1mm).
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in September
Vermil, Portugal

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

The month with the highest number of snowfall days is January (0.1 days).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in September / Average sunshine in September - Vermil, 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: 9.2h).

  • Average sunshine in September: 9.1h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 4.7h).

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Average sunshine days in September
Vermil, Portugal

Average sunshine days in September - Vermil, Portugal
  • Average sunshine days in September: 20.9 days

The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (11.9 days).

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Average UV index in September
Vermil, Portugal

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

Months with the highest UV index are 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
Vermil, Portugal

Average cloud cover in September - Vermil, Portugal
  • Average cloud cover in September: 25

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in September
Vermil, Portugal

Average visibility in September - Vermil, 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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