September weather forecastFrazão, Portugal

September weather for Frazão, Portugal: On the first day of September in Frazão, Portugal, sunrise is at 07:00 and sunset at 20:06. September, the first month of the autumn in Frazão, is also a moderately hot month, with an average temperature ranging between min 13.5°C (56.3°F) and max 25.4°C (77.7°F).

September

Weather in September

September, the first month of the autumn in Frazão, is also a moderately hot month, with an average temperature ranging between min 13.5°C (56.3°F) and max 25.4°C (77.7°F).

Temperature

September's climate shows a minor adjustment in average high-temperatures to a still warm 25.4°C (77.7°F) from August's 27.6°C (81.7°F). During September, the average low-temperature in Frazão is a refreshing 13.5°C (56.3°F).

Humidity

The average relative humidity in September is 65%.

Rainfall

In Frazão, in September, it is raining for 7.3 days, with typically 29mm (1.14") of accumulated precipitation. In Frazão, during the entire year, the rain falls for 143.4 days and collects up to 842mm (33.15") of precipitation.

Daylight

In September, the average length of the day in Frazão 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, in Frazão, sunrise is at 07:29 and sunset at 19:17 WEST.

Sunshine

The average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 during September leads to these advisories:
Guard yourself - An obligation to protect skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

In Frazão, 25.4°C (77.7°F) is the average high-temperature and 13.5°C (56.3°F) is the average low-temperature during September. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 29°C (84.2°F).

The average relative humidity in September is 65%.

In Frazão, during September, the rain falls for 7.3 days and regularly aggregates up to 29mm (1.14") of precipitation.

In Frazão, Portugal, the average day length in September is 12h and 28min.

On the first day of September in Frazão, Portugal, sunrise is at 07:00 and sunset at 20:06. On the last day of the month, sunrise is at 07:29 and sunset at 19:17 WEST.

In September, the average sunshine duration in Frazão, Portugal, is 9.2h.

The average daily maximum UV index in September in Frazão is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Frazão, Portugal

  • Average high temperature in September: 25.4°C

The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (11.7°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (5°C).

Average pressure in September
Frazão, Portugal

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in September
Frazão, Portugal

  • Average wind speed in September: 6.7km/h

The windiest months (with the highest average wind speed) are February and March (8.7km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).

Average humidity in September
Frazão, Portugal

  • Average humidity in September: 65%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (64%).

Average rainfall in September
Frazão, Portugal

  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is December (128mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in September
Frazão, Portugal

  • Average rainfall days in September: 7.3 days

The months with the highest number of rainy days are January and November (16.4 days).
The month with the least rainy days is August (4.6 days).

Average daylight in September /
Average sunshine in September
Frazão, Portugal

  • Average daylight in September: 12h and 30min

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 12min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in September
Frazão, Portugal

  • Average sunshine days in September: 20.9 days

The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is November (11.2 days).

Average UV index in September
Frazão, Portugal

  • Average UV index in September: 5

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in September
Frazão, Portugal

  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Frazão, Portugal

  • Average visibility in September: 9km

The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, November and December (8km).