September weather forecast and climate
Sabacheira, Portugal

Weather in September

The first month of the autumn, September, is also a moderately hot month in Sabacheira, Portugal, with average temperature ranging between max 27.8°C (82°F) and min 14.7°C (58.5°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a still warm 27.8°C (82°F). In Sabacheira, in September, the average low-temperature is 14.7°C (58.5°F).

Heat index

In September, the average heat index is estimated at 29.6°C (85.3°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, wind, clothing, and metabolic differences affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

August and September, with an average relative humidity of 64%, are the least humid months in Sabacheira.

Rainfall

In September, the rain falls for 5.3 days. Throughout September, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 103.1 rainfall days, and 359mm (14.13") of precipitation is accumulated.

Daylight

In September, the average length of the day in Sabacheira is 12.4h.

Sunshine

In Sabacheira, the average sunshine in September is 9.2h.

UV index

The average daily maximum UV index in Sabacheira is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for average 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 Sabacheira?

In September, the average high-temperature is 27.8°C (82°F), and the average low-temperature is 14.7°C (58.5°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines relative humidity and air temperature, in September is estimated at 29.6°C (85.3°F).

What is the least humid month in Sabacheira?

August and September, with an average relative humidity of 64%, are the least humid months in Sabacheira.

What is the average humidity in September in Sabacheira?

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

How much does it rain in Sabacheira in September?

In September, in Sabacheira, Portugal, the rain falls for 5.3 days. Throughout September, 19mm (0.75") of precipitation is accumulated.

What is the average length of the day in September in Sabacheira?

In September, the average length of the day is 12.4h.

How long on average sun shines in September in Sabacheira?

In September, the average sunshine is 9.2h.

What is the UV index intensity in September in Sabacheira?

In September, the average daily maximum UV index in Sabacheira, Portugal, 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
Sabacheira, Portugal

Average temperature in September - Sabacheira, Portugal
  • Average high temperature in September: 27.8°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (13.4°C).

  • Average low temperature in September: 14.7°C

Months with the highest average low temperature are July and August (15.2°C).
The coldest month (with the lowest average low temperature) is January (6.3°C).

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Average pressure in September
Sabacheira, Portugal

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

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in September
Sabacheira, Portugal

Average wind speed in September - Sabacheira, Portugal
  • Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is July (12.4km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).

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Average humidity in September
Sabacheira, Portugal

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

The month with the highest relative humidity is January (82%).
Months with the lowest relative humidity are August and September (64%).

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Average rainfall in September
Sabacheira, Portugal

Average rainfall in September - Sabacheira, Portugal
  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is November (58mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in September
Sabacheira, Portugal

Average rainfall days in September - Sabacheira, Portugal
  • Average rainfall days in September: 5.3 days

The month with the highest number of rainy days is April (12.8 days).
The month with the least rainy days is August (2.2 days).

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

Average daylight in September / Average sunshine in September - Sabacheira, Portugal
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 9.2h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in September
Sabacheira, Portugal

Average sunshine days in September - Sabacheira, Portugal
  • Average sunshine days in September: 24.1 days

The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is April (16.3 days).

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Average UV index in September
Sabacheira, Portugal

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

Months with the highest UV index are May, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Sabacheira, Portugal

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

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in September
Sabacheira, Portugal

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

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

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