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
September
Weather in September
Temperature
During September, Porto Covo records an average high-temperature of a still moderately hot 23.5°C (74.3°F), marking a slight divergence from August's 24.2°C (75.6°F). Nights in September showcase an average temperature of 18.8°C (65.8°F), slightly cooler than the daytime.Humidity
The average relative humidity in September in Porto Covo is 73%.Rainfall
In Porto Covo, during September, the rain falls for 4.1 days and regularly aggregates up to 13mm (0.51") of precipitation. Throughout the year, in Porto Covo, there are 94.6 rainfall days, and 327mm (12.87") of precipitation is accumulated.Daylight
In Porto Covo, the average length of the day in September is 12h and 25min.On the first day of September in Porto Covo, sunrise is at 07:05 and sunset at 20:04. On the last day of the month, sunrise is at 07:30 and sunset at 19:19 WEST.
Sunshine
In Porto Covo, the average sunshine in September is 9.5h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Porto Covo in September?
What is the average humidity in September in Porto Covo?
How much does it rain in Porto Covo in September?
What is the average length of the day in September in Porto Covo?
When is the sunrise / sunset in September in Porto Covo?
How long on average sun shines in September in Porto Covo?
What are the months with the highest UV index in Porto Covo?
What is the UV index reading in September in Porto Covo?
Average temperature in September
Porto Covo, Portugal
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is February (14.8°C).
- Average low temperature in September: 18.8°C
The months with the highest average low temperature are August and September (18.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in September
Porto Covo, Portugal
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Porto Covo, Portugal
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is September (15.1km/h).
Average humidity in September
Porto Covo, Portugal
- Average humidity in September: 73%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Porto Covo, Portugal
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Porto Covo, Portugal
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (1.1 days).
Average daylight in September /
Average sunshine in September
Porto Covo, 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 36min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Porto Covo, Portugal
- Average sunshine days in September: 25.1 days
The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in September
Porto Covo, 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, April, November and December (UV index 4).
Average cloud cover in September
Porto Covo, Portugal
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Porto Covo, 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).
