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 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
As Água Longa welcomes September, the average high-temperature stabilizes at a still moderately hot 25.6°C (78.1°F), showing little deviation from August's 27.6°C (81.7°F). During the nights in September, Água Longa experiences a consistent average temperature of 13.8°C (56.8°F).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 64%.Rainfall
In Água Longa, Portugal, in September, during 7.7 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Água Longa, during the entire year, the rain falls for 143.8 days and collects up to 847mm (33.35") of precipitation.Daylight
In September, the average length of the day in Água Longa 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, sunrise is at 07:30 and sunset at 19:17 WEST.
Sunshine
In September, the average sunshine in Água Longa is 9.1h.UV index
In Água Longa, Portugal, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What is the usual temperature for Água Longa in September?
What is the least humid month in Água Longa?
What is the average humidity in September in Água Longa?
How many days does it rain in September in Água Longa?
How many hours of daylight does Água Longa have in September?
When is the sunrise / sunset in September in Água Longa?
How many hours of sunshine does Água Longa have in September?
What is the UV index reading in September in Água Longa?
Average temperature in September
Água Longa, Portugal
- Average high temperature in September: 25.6°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: 13.8°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
Água Longa, 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
Água Longa, 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
Água Longa, Portugal
- Average humidity in September: 64%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (64%).
Average rainfall in September
Água Longa, Portugal
- Average rainfall in September: 34mm
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
Água Longa, Portugal
- Average rainfall days in September: 7.7 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
Água Longa, 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 18min).
- Average sunshine in September: 9h and 1min
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
Água Longa, Portugal
- Average sunshine days in September: 20.7 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
Água Longa, 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
Água Longa, Portugal
- Average cloud cover in September: 25
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
Água Longa, 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).
Água Longa, Portugal
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