September weather forecastVimioso, Portugal
September
Weather in September
The first month of the autumn, September, is still a warm month in Vimioso, Portugal, with temperature in the range of an average low of 12.9°C (55.2°F) and an average high of 25.4°C (77.7°F).Temperature
With the arrival of September, Vimioso experiences a modest decline in average high-temperatures, transitioning from a warm 29.5°C (85.1°F) in August to a still moderately hot 25.4°C (77.7°F). Nightfall in September introduces a considerable dip in temperature, settling at an average of 12.9°C (55.2°F).Humidity
In September, the average relative humidity is 53%.Rainfall
In Vimioso, in September, it is raining for 6.1 days, with typically 22mm (0.87") of accumulated precipitation. In Vimioso, during the entire year, the rain falls for 120.6 days and collects up to 370mm (14.57") of precipitation.Snowfall
In Vimioso, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 06:52 and sunset at 19:59. On the last day of the month, sunrise is at 07:22 and sunset at 19:09 WEST.
Sunshine
In September, the average sunshine is 9.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vimioso, Portugal
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Vimioso, Portugal
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1023.1mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Vimioso, Portugal
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is March (13.2km/h).
The calmest month (with the lowest average wind speed) is September (9.9km/h).
Average humidity in September
Vimioso, Portugal
- Average humidity in September: 53%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Vimioso, Portugal
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is November (54mm).
The driest month (with the least rainfall) is August (7mm).
Average rainfall days in September
Vimioso, Portugal
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is August (2.9 days).
Average snowfall in September
Vimioso, Portugal
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Vimioso, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Vimioso, 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 12min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Vimioso, Portugal
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is April (12 days).
Average UV index in September
Vimioso, Portugal
- 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, February, November and December (UV index 2).
Average cloud cover in September
Vimioso, Portugal
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Vimioso, Portugal
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).
