September weather forecast
Aguiar de Sousa, Portugal

September

Weather in September

September, the first month of the autumn in Aguiar de Sousa, is still a warm month, with an average temperature ranging between min 15°C (59°F) and max 25.3°C (77.5°F).

Temperature

Aguiar de Sousa experiences a subtle adjustment in high-temperatures to a still warm 25.3°C (77.5°F) with the onset of September, maintaining near parity with August's 26.6°C (79.9°F). During September, the average low-temperature is recorded at a refreshing 15°C (59°F).

Humidity

The least humid month in Aguiar de Sousa is September, with an average relative humidity of 65%.

Rainfall

In Aguiar de Sousa, in September, it is raining for 6.8 days, with typically 33mm (1.3") of accumulated precipitation. In Aguiar de Sousa, during the entire year, the rain falls for 126.3 days and collects up to 777mm (30.59") of precipitation.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 07:00 and sunset at 20:06. On the last day of September, sunrise is at 07:29 and sunset at 19:17 WEST.

Sunshine

In Aguiar de Sousa, the average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Aguiar de Sousa is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What are September temperatures in Aguiar de Sousa?
In Aguiar de Sousa, 25.3°C (77.5°F) is the average high-temperature and 15°C (59°F) is the average low-temperature during September.
What is the least humid month in Aguiar de Sousa?
With an average relative humidity of 65%, September is the least humid month in Aguiar de Sousa.
What is the average humidity in September in Aguiar de Sousa?
In September, the average relative humidity in Aguiar de Sousa is 65%.
How many days does it rain in September in Aguiar de Sousa?
In Aguiar de Sousa, Portugal, during September, the rain falls for 6.8 days and regularly aggregates up to 33mm (1.3") of precipitation.
What is the average length of the day in September in Aguiar de Sousa?
The average day length in September in Aguiar de Sousa, Portugal, is 12h and 28min.
What time are sunrise and sunset in September in Aguiar de Sousa?
In September, on the first day of the month, sunrise is at 07:00 and sunset at 20:06. On the last day of the month, in Aguiar de Sousa, Portugal, sunrise is at 07:29 and sunset at 19:17 WEST.
How long on average sun shines in September in Aguiar de Sousa?
In September, the average sunshine duration in Aguiar de Sousa, Portugal, is 9h.
What is the UV index reading in September in Aguiar de Sousa?
In Aguiar de Sousa, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Aguiar de Sousa, Portugal
  • Average high temperature in September: 25.3°C

The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.7°C).

  • Average low temperature in September: 15°C

The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).

Average pressure in September
Aguiar de Sousa, Portugal
  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in September
Aguiar de Sousa, Portugal
  • Average wind speed in September: 7.9km/h

The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.9km/h).

Average humidity in September
Aguiar de Sousa, Portugal
  • Average humidity in September: 65%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is September (65%).

Average rainfall in September
Aguiar de Sousa, Portugal
  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).

Average rainfall days in September
Aguiar de Sousa, Portugal
  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (5 days).

Average daylight in September /
Average sunshine in September
Aguiar de Sousa, Portugal
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in September
Aguiar de Sousa, Portugal
  • Average sunshine days in September: 21.4 days

The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (12.5 days).

Average UV index in September
Aguiar de Sousa, 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, March, November and December (UV index 3).

Average cloud cover in September
Aguiar de Sousa, Portugal
  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September
Aguiar de Sousa, Portugal
  • Average visibility in September: 9km

The 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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