September weather forecastPórtugos, Spain

September

Weather in September

September, the first month of the autumn in Pórtugos, is still a pleasant month, with an average temperature fluctuating between 22.9°C (73.2°F) and 14°C (57.2°F).

Temperature

A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 27.8°C (82°F) in August to an agreeable 22.9°C (73.2°F). An average low-temperature of 14°C (57.2°F) is anticipated throughout the nights during September.

Humidity

In Pórtugos, the average relative humidity in September is 58%.

Rainfall

In September, the rain falls for 10.8 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 110.8 rainfall days, and 451mm (17.76") of precipitation is accumulated.

Snowfall

In Pórtugos, snow does not fall in May through September.

Daylight

In September, the average length of the day in Pórtugos is 12h and 25min.
On the first day of September, sunrise is at 07:44 and sunset at 20:41. On the last day of the month, sunrise is at 08:08 and sunset at 19:57 CEST.

Sunshine

In Pórtugos, the average sunshine in September is 9.5h.

UV index

In September, the average daily maximum UV index in Pórtugos, Spain, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during September translates into the following guidance:
Take necessary precautions - Defending against sun damage is advocated. When the Sun is at its strongest around midday, find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

During September, Pórtugos experiences an average high-temperature of 22.9°C (73.2°F) and a low-temperature of 14°C (57.2°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 28°C (82.4°F).

The average relative humidity in September in Pórtugos, Spain, is 58%.

In Pórtugos, during September, the rain falls for 10.8 days and regularly aggregates up to 41mm (1.61") of precipitation.

In Pórtugos, snow does not fall in May through September.

In Pórtugos, Spain, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Pórtugos, Spain, is 12h and 25min.

In September, on the first day of the month, sunrise is at 07:44 and sunset at 20:41. On the last day of the month, sunrise is at 08:08 and sunset at 19:57 CEST.

In September, the average sunshine duration in Pórtugos, Spain, is 9.5h.

In Pórtugos, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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 snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Pórtugos, Spain

  • Average high temperature in September: 22.9°C

The warmest month (with the highest average high temperature) is July (28.4°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in September: 14°C

The months with the highest average low temperature are July and August (17.9°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in September
Pórtugos, Spain

  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

Average wind speed in September
Pórtugos, Spain

  • Average wind speed in September: 6.7km/h

The windiest month (with the highest average wind speed) is February (10.1km/h).
The calmest months (with the lowest average wind speed) are August and October (6.5km/h).

Average humidity in September
Pórtugos, Spain

  • Average humidity in September: 58%

The months with the highest relative humidity are January and December (71%).
The month with the lowest relative humidity is July (41%).

Average rainfall in September
Pórtugos, Spain

  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is July (5mm).

Average rainfall days in September
Pórtugos, Spain

  • Average rainfall days in September: 10.8 days

The months with the highest number of rainy days are March and April (13.8 days).
The month with the least rainy days is July (4.5 days).

Average snowfall in September
Pórtugos, Spain

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (149mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Pórtugos, Spain

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Pórtugos, Spain

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).

Average sunshine days in September
Pórtugos, Spain

  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (13.8 days).

Average UV index in September
Pórtugos, Spain

  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in September
Pórtugos, Spain

  • Average cloud cover in September: 16

The month with the most cloud cover is March (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 8).

Average visibility in September
Pórtugos, Spain

  • Average visibility in September: 10km

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