September weather forecast and climate
Porto de Mós, Portugal

Weather in September

September, the first month of the autumn, in Porto de Mós, is still a warm month, with average temperature varying between 15.7°C (60.3°F) and 25.4°C (77.7°F).

Temperature

In September, the average high-temperature is practically the same as in August - a still warm 25.4°C (77.7°F). The average low-temperature, in Porto de Mós, is 15.7°C (60.3°F).

Humidity

With an average relative humidity of 70%, September is the least humid month.

Rainfall

In September, the rain falls for 5.7 days. Throughout September, 18mm (0.71") of precipitation is accumulated. Throughout the year, in Porto de Mós, there are 103.6 rainfall days, and 373mm (14.69") of precipitation is accumulated.

Daylight

In Porto de Mós, Portugal, the average length of the day is 12.4h.

Sunshine

The average sunshine in Porto de Mós is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Porto de Mós?

The average high-temperature, in September, in Porto de Mós, Portugal, is 25.4°C (77.7°F), while the average low-temperature is 15.7°C (60.3°F).

What is the least humid month in Porto de Mós?

With an average relative humidity of 70%, September is the least humid month in Porto de Mós, Portugal.

What is the average humidity in September in Porto de Mós?

The average relative humidity in September in Porto de Mós is 70%.

How much does it rain in Porto de Mós in September?

In September, in Porto de Mós, Portugal, the rain falls for 5.7 days. Throughout September, 18mm (0.71") of precipitation is accumulated.

What is the average length of the day in September in Porto de Mós?

In Porto de Mós, the average length of the day in September is 12.4h.

How long on average sun shines in September in Porto de Mós?

In Porto de Mós, Portugal, the average sunshine in September is 9.1h.

How high is the UV index in September in Porto de Mós?

The average daily maximum UV index in September in Porto de Mós is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Porto de Mós, Portugal

Average temperature in September - Porto de Mós, Portugal
  • Average high temperature in September: 25.4°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 (13.7°C).

  • Average low temperature in September: 15.7°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (7.9°C).

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Average pressure in September
Porto de Mós, Portugal

Average pressure in September - Porto de Mós, Portugal
  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

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Average wind speed in September
Porto de Mós, Portugal

Average wind speed in September - Porto de Mós, Portugal
  • Average wind speed in September: 11.9km/h

The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).

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Average humidity in September
Porto de Mós, Portugal

Average humidity in September - Porto de Mós, Portugal
  • Average humidity in September: 70%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (70%).

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Average rainfall in September
Porto de Mós, Portugal

Average rainfall in September - Porto de Mós, Portugal
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is November (66mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in September
Porto de Mós, Portugal

Average rainfall days in September - Porto de Mós, Portugal
  • Average rainfall days in September: 5.7 days

The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (2.4 days).

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Average daylight in September /
Average sunshine in September
Porto de Mós, Portugal

Average daylight in September / Average sunshine in September - Porto de Mós, 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: 9.1h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 4.9h).

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Average sunshine days in September
Porto de Mós, Portugal

Average sunshine days in September - Porto de Mós, Portugal
  • Average sunshine days in September: 24.1 days

The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is November (15.7 days).

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Average UV index in September
Porto de Mós, Portugal

Average UV index in September - Porto de Mós, Portugal
  • Average UV index in September: 5

The month with the highest UV index is 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
Porto de Mós, Portugal

Average cloud cover in September - Porto de Mós, Portugal
  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 46).
Months with the least cloud cover are August and September (Cloud cover 24).

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Average visibility in September
Porto de Mós, Portugal

Average visibility in September - Porto de Mós, Portugal
  • Average visibility in September: 9km

Months with the highest visibility are February, June and December (10km).
Months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).

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