September weather forecast and climate
Mourão, Portugal

Weather in September

The first month of the autumn, September, is still a warm month in Mourão, Portugal, with average temperature varying between 29.7°C (85.5°F) and 15.9°C (60.6°F).

Temperature

In Mourão, the average high-temperature slightly decreases, from a hot 34.4°C (93.9°F) in August, to a warm 29.7°C (85.5°F). In Mourão, in September, the average low-temperature is 15.9°C (60.6°F).

Heat index

In September, the average heat index is appraised at a tropical 30.8°C (87.4°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, differences in body mass, height, and shape, wind, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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

The average relative humidity in September is 51%.

Rainfall

In September, in Mourão, the rain falls for 5.2 days. Throughout September, 9mm (0.35") of precipitation is accumulated. In Mourão, during the entire year, the rain falls for 90.1 days and collects up to 296mm (11.65") of precipitation.

Daylight

The average length of the day in Mourão is 12.4h.

Sunshine

The average sunshine in Mourão is 9.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Mourão?

The average high-temperature, in September, is 29.7°C (85.5°F), while the average low-temperature is 15.9°C (60.6°F). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, is evaluated at 30.8°C (87.4°F).

What is the average humidity in September in Mourão?

The average relative humidity in September in Mourão is 51%.

How much does it rain in Mourão in September?

In Mourão, in September, it is raining for 5.2 days, with typically 9mm (0.35") of accumulated precipitation.

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

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

How many hours of sunshine does Mourão have in September?

In September, the average sunshine in Mourão is 9.6h.

What is the UV index reading in September in Mourão?

In September, the average daily maximum UV index in Mourão, Portugal, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
Mourão, Portugal

Average temperature in September - Mourão, Portugal
  • Average high temperature in September: 29.7°C

The warmest month (with the highest average high temperature) is August (34.4°C).
The month with the lowest average high temperature is January (13.1°C).

  • Average low temperature in September: 15.9°C

The month with the highest average low temperature is August (17.2°C).
The coldest month (with the lowest average low temperature) is January (4°C).

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Average pressure in September
Mourão, Portugal

Average pressure in September - Mourão, Portugal
  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is August (1015.1mbar).

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Average wind speed in September
Mourão, Portugal

Average wind speed in September - Mourão, Portugal
  • Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).

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Average humidity in September
Mourão, Portugal

Average humidity in September - Mourão, Portugal
  • Average humidity in September: 51%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in September
Mourão, Portugal

Average rainfall in September - Mourão, Portugal
  • Average rainfall in September: 9mm

The wettest month (with the highest rainfall) is March (45mm).
The driest month (with the least rainfall) is July (1mm).

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Average rainfall days in September
Mourão, Portugal

Average rainfall days in September - Mourão, Portugal
  • Average rainfall days in September: 5.2 days

The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is July (1.3 days).

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

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

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 9.6h

Months with the most sunshine are July and August (Average sunshine: 11.7h).
The month with the least sunshine is January (Average sunshine: 5.4h).

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Average sunshine days in September
Mourão, Portugal

Average sunshine days in September - Mourão, Portugal
  • Average sunshine days in September: 24 days

The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is April (16.3 days).

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Average UV index in September
Mourão, Portugal

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

Months with the highest UV index are July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Mourão, Portugal

Average cloud cover in September - Mourão, Portugal
  • Average cloud cover in September: 17

Months with the most cloud cover are January and April (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in September
Mourão, Portugal

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

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

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