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
During September, Lamas observes a subtle ascent to a still moderately hot 25.8°C (78.4°F) from August's 27.7°C (81.9°F) in the average high-temperature. September's nights in Lamas exhibit a sharp contrast from day highs, with an average temperature of 13.8°C (56.8°F).Humidity
In September, the average relative humidity in Lamas is 65%.Rainfall
In September, in Lamas, Portugal, the rain falls for 7.4 days. Throughout September, 35mm (1.38") of precipitation is accumulated. In Lamas, during the entire year, the rain falls for 139.7 days and collects up to 924mm (36.38") of precipitation.Snowfall
In Lamas, snow does not fall in February through December.Daylight
In Lamas, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 07:00 and sunset at 20:06. On the last day of the month, sunrise is at 07:30 and sunset at 19:17 WEST.
Sunshine
In Lamas, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in Lamas, Portugal, is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the usual temperature for Lamas in September?
What is the average humidity in September in Lamas?
How many days does it rain in September in Lamas?
When it does not snow in Lamas?
What is the average length of the day in September in Lamas?
When are sunrise and sunset in September in Lamas?
How many hours of sunshine does Lamas have in September?
What is the UV index reading in September in Lamas?
Average temperature in September
Lamas, Portugal
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in September: 13.8°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in September
Lamas, Portugal
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Lamas, Portugal
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in September
Lamas, Portugal
- Average humidity in September: 65%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Lamas, Portugal
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (136mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in September
Lamas, Portugal
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in September
Lamas, Portugal
- Average snowfall in September: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Lamas, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Lamas, 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 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Lamas, Portugal
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in September
Lamas, Portugal
- Average UV index in September: 5
The month with the highest UV index is 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
Lamas, Portugal
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in September
Lamas, Portugal
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (7km).
Lamas, Portugal
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