September weather forecast and climate
Ribeira dos Carinhos, Portugal

Weather in September

The first month of the autumn, September, is still a warm month in Ribeira dos Carinhos, Portugal, with average temperature fluctuating between 12.4°C (54.3°F) and 25.3°C (77.5°F).

Temperature

In Ribeira dos Carinhos, the average high-temperature slightly decreases, from 29.2°C (84.6°F) in August, to a still warm 25.3°C (77.5°F). In Ribeira dos Carinhos, the average low-temperature is 12.4°C (54.3°F).

Humidity

In Ribeira dos Carinhos, the average relative humidity in September is 55%.

Rainfall

In Ribeira dos Carinhos, in September, it is raining for 6.2 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, in Ribeira dos Carinhos, there are 113.7 rainfall days, and 424mm (16.69") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Ribeira dos Carinhos.

Daylight

In Ribeira dos Carinhos, the average length of the day is 12.4h.

Sunshine

In Ribeira dos Carinhos, the average sunshine in September is 9.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Ribeira dos Carinhos?

The average high-temperature, in September, is 25.3°C (77.5°F), while the average low-temperature is 12.4°C (54.3°F).

What is the average humidity in September in Ribeira dos Carinhos?

In September, the average relative humidity is 55%.

How many days does it rain in September in Ribeira dos Carinhos?

In Ribeira dos Carinhos, Portugal, during September, the rain falls for 6.2 days and regularly aggregates up to 22mm (0.87") of precipitation.

When it does not snow in Ribeira dos Carinhos?

In Ribeira dos Carinhos, Portugal, snow does not fall in May through October.

How many hours of daylight does Ribeira dos Carinhos have in September?

In September, the average length of the day in Ribeira dos Carinhos is 12.4h.

How long on average sun shines in September in Ribeira dos Carinhos?

In Ribeira dos Carinhos, Portugal, the average sunshine in September is 9.4h.

What is the UV index intensity in September in Ribeira dos Carinhos?

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

Average temperature in September
Ribeira dos Carinhos, Portugal

Average temperature in September - Ribeira dos Carinhos, Portugal
  • Average high temperature in September: 25.3°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 (8.7°C).

  • Average low temperature in September: 12.4°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).

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Average pressure in September
Ribeira dos Carinhos, Portugal

Average pressure in September - Ribeira dos Carinhos, Portugal
  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is December (1023.1mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in September
Ribeira dos Carinhos, Portugal

Average wind speed in September - Ribeira dos Carinhos, Portugal
  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).

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Average humidity in September
Ribeira dos Carinhos, Portugal

Average humidity in September - Ribeira dos Carinhos, Portugal
  • Average humidity in September: 55%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in September
Ribeira dos Carinhos, Portugal

Average rainfall in September - Ribeira dos Carinhos, Portugal
  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is August (6mm).

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Average rainfall days in September
Ribeira dos Carinhos, Portugal

Average rainfall days in September - Ribeira dos Carinhos, Portugal
  • Average rainfall days in September: 6.2 days

The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is August (2.7 days).

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Average snowfall in September
Ribeira dos Carinhos, Portugal

Average snowfall in September - Ribeira dos Carinhos, Portugal
  • Average snowfall in September: 0mm

Months with the highest snowfall are January and February (44mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in September
Ribeira dos Carinhos, Portugal

Average snowfall days in September - Ribeira dos Carinhos, Portugal
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.9 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Ribeira dos Carinhos, Portugal

Average daylight in September / Average sunshine in September - Ribeira dos Carinhos, 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: 9.3h).

  • Average sunshine in September: 9.4h

Months with the most sunshine are July and August (Average sunshine: 11.6h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days in September
Ribeira dos Carinhos, Portugal

Average sunshine days in September - Ribeira dos Carinhos, Portugal
  • Average sunshine days in September: 22.5 days

The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is April (12.5 days).

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Average UV index in September
Ribeira dos Carinhos, Portugal

Average UV index in September - Ribeira dos Carinhos, Portugal
  • Average UV index in September: 5

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Ribeira dos Carinhos, Portugal

Average cloud cover in September - Ribeira dos Carinhos, Portugal
  • Average cloud cover in September: 21

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in September
Ribeira dos Carinhos, Portugal

Average visibility in September - Ribeira dos Carinhos, Portugal
  • Average visibility in September: 10km

Months with the highest visibility are July, August and September (10km).
Months with the lowest visibility are January, February, April, November and December (8km).

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