Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 29.1°C (84.4°F) in August to a still warm 25.7°C (78.3°F). Compared to daytime temperatures, Vidago's temperature drops significantly, averaging a fresh 11.3°C (52.3°F) during the nights of September.Humidity
In September, the average relative humidity in Vidago is 60%.Rainfall
In Vidago, in September, it is raining for 6.3 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, in Vidago, there are 127.3 rainfall days, and 455mm (17.91") of precipitation is accumulated.Snowfall
In Vidago, snow does not fall in March through December.Daylight
In September, the average length of the day in Vidago is 12h and 28min.On the first day of September in Vidago, Portugal, sunrise is at 06:56 and sunset at 20:03. On the last day of the month, sunrise is at 07:26 and sunset at 19:13 WEST.
Sunshine
In Vidago, the average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index in Vidago is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the usual temperature for Vidago in September?
What is the average humidity in September in Vidago?
How many days does it rain in September in Vidago?
When it does not snow in Vidago?
How many hours of daylight does Vidago have in September?
When are sunrise and sunset in September in Vidago?
How long on average sun shines in September in Vidago?
What is the UV index reading in September in Vidago?
Average temperature in September
Vidago, Portugal
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in September: 11.3°C
The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in September
Vidago, Portugal
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Vidago, Portugal
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest months (with the lowest average wind speed) are September and October (6.5km/h).
Average humidity in September
Vidago, Portugal
- Average humidity in September: 60%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Vidago, Portugal
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).
Average rainfall days in September
Vidago, Portugal
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in September
Vidago, Portugal
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Vidago, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 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
Vidago, Portugal
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Vidago, Portugal
- Average sunshine days in September: 21.8 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in September
Vidago, Portugal
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Vidago, Portugal
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Vidago, Portugal
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).
Vidago, Portugal
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