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 sea temperature 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
September
Weather in September
Temperature
Transitioning into September, Armação de Pêra records an average high-temperature of a still moderately hot 24.8°C (76.6°F), almost identical to August's 26.9°C (80.4°F). Armação de Pêra's average low-temperature for the month of September records at an enjoyable 19.4°C (66.9°F).Humidity
In September, the average relative humidity in Armação de Pêra is 69%.Rainfall
January through June, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 2.5 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, there are 42.9 rainfall days, and 52mm (2.05") of precipitation is accumulated.Sea temperature
In Armação de Pêra, the average seawater temperature in September is 21.4°C (70.5°F).Note: For the majority, swimming in 21.4°C (70.5°F) does not offer a pleasant experience. Below 21°C (69.8°F), the difficulty in controlling breathing escalates.
Daylight
In Armação de Pêra, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 07:04 and sunset at 20:01. On the last day of the month, sunrise is at 07:28 and sunset at 19:18 WEST.
Sunshine
The average sunshine in September is 9.6h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
When does it start raining?
What is the sea water temperature in September?
How many hours of daylight does Armação de Pêra have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Armação de Pêra have in September?
What is the month with the highest UV index?
How high is the UV index in September?
Average temperature in September
Armação de Pêra, Portugal
- Average high temperature in September: 24.8°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (15.1°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in September
Armação de Pêra, Portugal
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Armação de Pêra, Portugal
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (18.5km/h).
The calmest month (with the lowest average wind speed) is September (12.9km/h).
Average humidity in September
Armação de Pêra, Portugal
- Average humidity in September: 69%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Armação de Pêra, Portugal
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is November (11mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in September
Armação de Pêra, Portugal
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is April (6.9 days).
The month with the least rainy days is August (0.3 days).
Average sea temperature in September
Armação de Pêra, Portugal
- Average sea temperature in September: 21.4°C
The best month for swimming (with the highest average sea temperature) is August (21.7°C).
The coldest month (with the lowest average sea temperature) is March (16°C).
Average daylight in September /
Average sunshine in September
Armação de Pêra, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Armação de Pêra, Portugal
- Average sunshine days in September: 27 days
The month with the most sunshine days is July (30.5 days).
The month with the least sunshine days is April (21.8 days).
Average UV index in September
Armação de Pêra, Portugal
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Armação de Pêra, Portugal
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Armação de Pêra, Portugal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
