September weather forecast
Buarcos, Portugal

September

Weather in September

September, the first month of the autumn in Buarcos, is still a warm month, with an average temperature varying between 16.3°C (61.3°F) and 23°C (73.4°F).

Temperature

As Buarcos welcomes September, the average high-temperature records at a still warm 23°C (73.4°F), marking an insignificant deviation from the prior month. Buarcos, in September, observes a steady average low-temperature of 16.3°C (61.3°F).

Humidity

September and October, with an average relative humidity of 74%, are the least humid months in Buarcos.

Rainfall

In Buarcos, during September, the rain falls for 6.2 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, there are 130.4 rainfall days, and 585mm (23.03") of precipitation is accumulated.

Sea temperature

The month with the warmest seawater in Buarcos is September, with an average sea temperature of 19.1°C (66.4°F).
Note: Swimming is not a pleasurable activity for the majority in water at 19.1°C (66.4°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of September, sunrise is at 07:03 and sunset at 20:07. On the last day of the month, sunrise is at 07:31 and sunset at 19:19 WEST.

Sunshine

In September, the average sunshine in Buarcos is 9.3h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

What is the usual temperature for Buarcos in September?
The high-temperature during September is 23°C (73.4°F) and the low-temperature is 16.3°C (61.3°F).
What is the least humid month in Buarcos?
The months with the lowest humidity in Buarcos are September and October, with an average relative humidity of 74%.
What is the average humidity in September in Buarcos?
In September, the average relative humidity in Buarcos is 74%.
How much does it rain in Buarcos in September?
In Buarcos, in September, it is raining for 6.2 days, with typically 25mm (0.98") of accumulated precipitation.
What is the month with the warmest sea water in Buarcos?
The month with the warmest seawater in Buarcos is September, with an average sea temperature of 19.1°C (66.4°F).
What is the sea temperature in September in Buarcos?
In September, the average sea temperature in Buarcos, Portugal, is 19.1°C (66.4°F). Swimming in 19.1°C (66.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
How many hours of daylight does Buarcos have in September?
In September, the average day length in Buarcos is 12h and 27min.
What time are sunrise and sunset in September in Buarcos?
In September, on the first day of the month, sunrise is at 07:03 and sunset at 20:07. On the last day of the month, in Buarcos, Portugal, sunrise is at 07:31 and sunset at 19:19 WEST.
How long on average sun shines in September in Buarcos?
The average sunshine duration in September is 9.3h.
What are the months with the highest UV index in Buarcos?
May through September, with an average maximum UV index of 5, are months with the highest UV index in Buarcos.
What is the UV index intensity in September in Buarcos?
The average daily maximum UV index in September in Buarcos is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Buarcos, Portugal
  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (13.7°C).

  • Average low temperature in September: 16.3°C

The months with the highest average low temperature are July and August (16.8°C).
The coldest month (with the lowest average low temperature) is February (9.3°C).

Average pressure in September
Buarcos, Portugal
  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in September
Buarcos, Portugal
  • Average wind speed in September: 12.8km/h

The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).

Average humidity in September
Buarcos, Portugal
  • Average humidity in September: 74%

The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are September and October (74%).

Average rainfall in September
Buarcos, Portugal
  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (6mm).

Average rainfall days in September
Buarcos, Portugal
  • Average rainfall days in September: 6.2 days

The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (4.5 days).

Average sea temperature in September
Buarcos, Portugal
  • Average sea temperature in September: 19.1°C

The best month for swimming (with the highest average sea temperature) is September (19.1°C).
The coldest month (with the lowest average sea temperature) is March (14.2°C).

Average daylight in September /
Average sunshine in September
Buarcos, Portugal
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in September
Buarcos, Portugal
  • Average sunshine days in September: 21.8 days

The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is November (11.9 days).

Average UV index in September
Buarcos, Portugal
  • Average UV index in September: 5

The months with the highest UV index are May, June, July, August and September (UV index 5).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in September
Buarcos, Portugal
  • Average cloud cover in September: 20

The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are August and September (Cloud cover 20).

Average visibility in September
Buarcos, Portugal
  • Average visibility in September: 10km

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

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