September weather forecastAlvaredo, Portugal
September
Weather in September
September, the first month of the autumn in Alvaredo, is also an agreeable month, with an average temperature fluctuating between 22.5°C (72.5°F) and 14.7°C (58.5°F).Temperature
Alvaredo records an average high-temperature of a pleasant 22.5°C (72.5°F) as September arrives, nearly mirroring the previous month's climate. Alvaredo experiences a mean low-temperature of 14.7°C (58.5°F) during September.Humidity
The months with the lowest humidity in Alvaredo are August and September, with an average relative humidity of 75%.Rainfall
In September, in Alvaredo, the rain falls for 8.5 days. Throughout September, 33mm (1.3") of precipitation is accumulated. Throughout the year, there are 160.3 rainfall days, and 1028mm (40.47") of precipitation is accumulated.Daylight
The average length of the day in September in Alvaredo is 12h and 29min.On the first day of September, sunrise is at 06:59 and sunset at 20:06. On the last day of the month, sunrise is at 07:29 and sunset at 19:16 WEST.
Sunshine
The average sunshine in September in Alvaredo is 8.9h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alvaredo, Portugal
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (11.7°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).
Average pressure in September
Alvaredo, Portugal
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Alvaredo, Portugal
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is September (10.3km/h).
Average humidity in September
Alvaredo, Portugal
- Average humidity in September: 75%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in September
Alvaredo, Portugal
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (167mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in September
Alvaredo, Portugal
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is November (18.7 days).
The month with the least rainy days is August (7.2 days).
Average daylight in September /
Average sunshine in September
Alvaredo, Portugal
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Alvaredo, Portugal
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is August (21.1 days).
The month with the least sunshine days is November (9.7 days).
Average UV index in September
Alvaredo, 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 months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in September
Alvaredo, Portugal
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and September (Cloud cover 23).
Average visibility in September
Alvaredo, Portugal
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





