September weather forecast
Carvoeiro, Portugal

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Weather in September

September in Carvoeiro ushers in the autumn season maintaining warm temperatures, peaking at an agreeable 24.6°C (76.3°F). It merges the summer's warmth with autumn's gentle coolness, offering a comfortable climate for travel and exploration. The sea continues to remain warm, welcoming swimmers and surfers for a splash. Extended sunshine hours still dominate, allowing for ample daylight activity. However, prospective visitors should note an uptick in rainfall days compared to the height of summer.

Temperature

An average high-temperature of a still warm 24.6°C (76.3°F) marks September, exhibiting a close resemblance to the conditions in August. An average low-temperature of 19.5°C (67.1°F) is noted during the nights in September in Carvoeiro.

Humidity

In September, the average relative humidity is 70%.

Rainfall

In Carvoeiro, rain does not fall in June through September.

Sea temperature

August and September, with an average sea temperature of 21°C (69.8°F), are months with the warmest seawater in Carvoeiro, Portugal.
Note: Swimming in water at 21°C (69.8°F) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In September, the average length of the day in Carvoeiro, Portugal, is 12h and 25min.
On the first day of the month, sunrise is at 07:05 and sunset at 20:02. On the last day of September, sunrise is at 07:28 and sunset at 19:18 WEST.

Sunshine

In September, the average sunshine is 9.6h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index in Carvoeiro. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, a daily UV index of 6 turns into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What are September temperatures in Carvoeiro?

An average high-temperature, in September, in Carvoeiro, is 24.6°C (76.3°F) and the average low-temperature is 19.5°C (67.1°F).

What is the average humidity in September in Carvoeiro?

The average relative humidity in September in Carvoeiro, Portugal, is 70%.

What is the driest month in Carvoeiro?

June through September are months without rainfall in Carvoeiro.

Does it rain in Carvoeiro in September?

In Carvoeiro, Portugal, in September, it doesn't rain. In October, it rains.

What months are the sea warmest in Carvoeiro?

The months with the warmest seawater in Carvoeiro, Portugal, are August and September, with an average sea temperature of 21°C (69.8°F).

How cold is the water in September in Carvoeiro?

In Carvoeiro, the average seawater temperature in September is 21°C (69.8°F). For most, swimming in 21°C (69.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Carvoeiro have in September?

In Carvoeiro, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Carvoeiro?

In September, on the first day of the month, sunrise is at 07:05 and sunset at 20:02. On the last day of the month, in Carvoeiro, sunrise is at 07:28 and sunset at 19:18 WEST.

How many hours of sunshine does Carvoeiro have in September?

The average sunshine duration in September in Carvoeiro, Portugal, is 9.6h.

What are the months with the highest UV index in Carvoeiro?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Carvoeiro.

How high is the UV index in September in Carvoeiro?

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Carvoeiro, Portugal

Average temperature in September - Carvoeiro, Portugal
  • Average high temperature in September: 24.6°C

The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (15.1°C).

  • Average low temperature in September: 19.5°C

The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is February (11.3°C).

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Average pressure in September
Carvoeiro, Portugal

Average pressure in September - Carvoeiro, Portugal
  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

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Average wind speed in September
Carvoeiro, Portugal

Average wind speed in September - Carvoeiro, Portugal
  • Average wind speed in September: 13.5km/h

The windiest months (with the highest average wind speed) are February and March (19km/h).
The calmest month (with the lowest average wind speed) is September (13.5km/h).

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Average humidity in September
Carvoeiro, Portugal

Average humidity in September - Carvoeiro, Portugal
  • Average humidity in September: 70%

The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in September
Carvoeiro, Portugal

Average rainfall in September - Carvoeiro, Portugal
  • Average rainfall in September: 0mm

The wettest month (with the highest rainfall) is November (8mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).

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Average rainfall days in September
Carvoeiro, Portugal

Average rainfall days in September - Carvoeiro, Portugal
  • Average rainfall days in September: 1.3 days

The month with the highest number of rainy days is April (5.4 days).
The month with the least rainy days is August (0.3 days).

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Average sea temperature in September
Carvoeiro, Portugal

Average sea temperature in September - Carvoeiro, Portugal
  • Average sea temperature in September: 21°C

The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

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

Average daylight in September / Average sunshine in September - Carvoeiro, Portugal
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

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Average sunshine days in September
Carvoeiro, Portugal

Average sunshine days in September - Carvoeiro, Portugal
  • Average sunshine days in September: 28.8 days

The month with the most sunshine days is August (30.6 days).
The month with the least sunshine days is November (22.1 days).

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Average UV index in September
Carvoeiro, Portugal

Average UV index in September - Carvoeiro, Portugal
  • Average UV index in September: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in September
Carvoeiro, Portugal

Average cloud cover in September - Carvoeiro, Portugal
  • Average cloud cover in September: 14

The month with the most cloud cover is January (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 6).

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Average visibility in September
Carvoeiro, Portugal

Average visibility in September - Carvoeiro, Portugal
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Carvoeiro, Portugal

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