September weather forecast and climate
Monte Galego, Portugal

Weather in September

The first month of the autumn, September, is still a warm month in Monte Galego, Portugal, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 15°C (59°F).

Temperature

In Monte Galego, the average high-temperature marginally drops, from a tropical 32.7°C (90.9°F) in August, to a moderately hot 29.5°C (85.1°F). In September, in Monte Galego, Portugal, the average low-temperature is 15°C (59°F).

Heat index

The average heat index is evaluated at a tropical 31.4°C (88.5°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 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like differences in body mass, height, and shape, clothing, metabolic differences, and activity influence one's weather impression. 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Monte Galego, the average relative humidity in September is 57%.

Rainfall

In Monte Galego, Portugal, it is raining for 4.3 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, in Monte Galego, Portugal, there are 85.1 rainfall days, and 280mm (11.02") of precipitation is accumulated.

Daylight

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

Sunshine

In Monte Galego, the average sunshine is 9.2h.

UV index

May through September, with an average maximum UV index of 6, are months with the highest UV index in Monte Galego. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Monte Galego?

The average high-temperature, in September, in Monte Galego, is 29.5°C (85.1°F), while the average low-temperature is 15°C (59°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines both air temperature and relative humidity, in September is evaluated at 31.4°C (88.5°F).

What is the average humidity in September in Monte Galego?

In Monte Galego, Portugal, the average relative humidity in September is 57%.

How many days does it rain in September in Monte Galego?

In Monte Galego, Portugal, during September, the rain falls for 4.3 days and regularly aggregates up to 16mm (0.63") of precipitation.

What is the average length of the day in September in Monte Galego?

In Monte Galego, Portugal, the average length of the day in September is 12.4h.

How long on average sun shines in September in Monte Galego?

In Monte Galego, the average sunshine in September is 9.2h.

What is the month with the highest UV index in Monte Galego?

Months with the highest UV index are May through September, with an average maximum UV index of 6.

What is the UV index reading in September in Monte Galego?

In Monte Galego, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
Monte Galego, Portugal

Average temperature in September - Monte Galego, Portugal
  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is August (32.7°C).
The month with the lowest average high temperature is January (13.3°C).

  • Average low temperature in September: 15°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (5.7°C).

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Average pressure in September
Monte Galego, Portugal

Average pressure in September - Monte Galego, Portugal
  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in September
Monte Galego, Portugal

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

The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).

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Average humidity in September
Monte Galego, Portugal

Average humidity in September - Monte Galego, Portugal
  • Average humidity in September: 57%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in September
Monte Galego, Portugal

Average rainfall in September - Monte Galego, Portugal
  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is November (50mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in September
Monte Galego, Portugal

Average rainfall days in September - Monte Galego, Portugal
  • Average rainfall days in September: 4.3 days

The month with the highest number of rainy days is November (11.2 days).
The month with the least rainy days is August (1.6 days).

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Average daylight in September /
Average sunshine in September
Monte Galego, Portugal

Average daylight in September / Average sunshine in September - Monte Galego, 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: 11.6h).
The month with the least sunshine is January (Average sunshine: 5.1h).

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Average sunshine days in September
Monte Galego, Portugal

Average sunshine days in September - Monte Galego, Portugal
  • Average sunshine days in September: 25 days

Months with the most sunshine days are July and August (28.7 days).
The month with the least sunshine days is November (17.9 days).

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Average UV index in September
Monte Galego, Portugal

Average UV index in September - Monte Galego, Portugal
  • Average UV index in September: 6

Months with the highest UV index are May, June, July, August and September (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
Monte Galego, Portugal

Average cloud cover in September - Monte Galego, Portugal
  • Average cloud cover in September: 19

The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 12).

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Average visibility in September
Monte Galego, Portugal

Average visibility in September - Monte Galego, Portugal
  • Average visibility in September: 9km

The month with the highest visibility is June (10km).
The month with the lowest visibility is January (8km).

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