September weather forecast
Porto de Mós, Portugal

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Weather in September

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

Temperature

Porto de Mós indicates an average high-temperature of a still moderately hot 25.4°C (77.7°F) in September, showing minor variation from August's 26.3°C (79.3°F). An average temperature of 15.7°C (60.3°F) is recorded in Porto de Mós, Portugal, during the nights in September.

Humidity

The least humid month is September, with an average relative humidity of 70%.

Rainfall

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

Daylight

In September, the average length of the day in Porto de Mós is 12h and 27min.
On the first day of the month, sunrise is at 07:03 and sunset at 20:06. On the last day of September, sunrise is at 07:30 and sunset at 19:19 WEST.

Sunshine

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

UV index

The average daily maximum UV index in September in Porto de Mós is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 5 during September leads to these advisories:
Be vigilant - A duty to shield skin and eyes from injury exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What is the usual temperature for Porto de Mós in September?

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

What is the least humid month in Porto de Mós?

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

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

In September, the average relative humidity is 70%.

How many days does it rain in September in Porto de Mós?

In Porto de Mós, Portugal, during September, the rain falls for 5.7 days and regularly aggregates up to 18mm (0.71") of precipitation.

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

The average day length in September in Porto de Mós, Portugal, is 12h and 27min.

What time are sunrise and sunset in September in Porto de Mós?

On the first day of September in Porto de Mós, Portugal, sunrise is at 07:03 and sunset at 20:06. On the last day of the month, sunrise is at 07:30 and sunset at 19:19 WEST.

How many hours of sunshine does Porto de Mós have in September?

The average sunshine duration in September in Porto de Mós, Portugal, is 9.1h.

What is the UV index intensity in September in Porto de Mós?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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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).
The 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).
The 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

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

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Porto de Mós, Portugal

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