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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





