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
Sagres's shift into September is marked by a subtle change to a still agreeable 21.9°C (71.4°F) from August's 22.2°C (72°F) in temperature. Sagres records a mild decrease in temperature during the nights of September, averaging a still agreeable 20.1°C (68.2°F).Humidity
In Sagres, the average relative humidity in September is 77%.Rainfall
In Sagres, in September, it is raining for 4 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, in Sagres, Portugal, there are 90.2 rainfall days, and 310mm (12.2") of precipitation is accumulated.Sea temperature
September is the month with the warmest seawater in Sagres, with an average sea temperature of 21.2°C (70.2°F).Note: Most people find it challenging to enjoy swimming in water that is 21.2°C (70.2°F). As water temperature falls below 21°C (69.8°F), controlling breathing grows increasingly difficult.
Daylight
The average length of the day in September in Sagres is 12h and 25min.On the first day of the month, sunrise is at 07:07 and sunset at 20:04. On the last day of September, sunrise is at 07:30 and sunset at 19:20 WEST.
Sunshine
The average sunshine in September is 9.4h.UV index
The months with the highest UV index in Sagres are July through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Sagres?
What is the average humidity in September in Sagres?
How much does it rain in Sagres in September?
What is the month with the warmest sea water in Sagres?
How cold is the water in September in Sagres?
How many hours of daylight does Sagres have in September?
When is the sunrise / sunset in September in Sagres?
How many hours of sunshine does Sagres have in September?
What are the months with the highest UV index in Sagres?
How high is the UV index in September in Sagres?
Average temperature in September
Sagres, Portugal
- Average high temperature in September: 21.9°C
The warmest month (with the highest average high temperature) is August (22.2°C).
The month with the lowest average high temperature is February (14.9°C).
- Average low temperature in September: 20.1°C
The month with the highest average low temperature is August (20.3°C).
The coldest month (with the lowest average low temperature) is February (13.3°C).
Average pressure in September
Sagres, Portugal
- Average pressure in September: 1016.9mbar
The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Sagres, Portugal
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is July (25.2km/h).
The calmest month (with the lowest average wind speed) is September (18.6km/h).
Average humidity in September
Sagres, Portugal
- Average humidity in September: 77%
The month with the highest relative humidity is July (79%).
The months with the lowest relative humidity are January, February, November and December (73%).
Average rainfall in September
Sagres, Portugal
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Sagres, Portugal
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is November (12.7 days).
The month with the least rainy days is August (1.4 days).
Average sea temperature in September
Sagres, Portugal
- Average sea temperature in September: 21.2°C
The best month for swimming (with the highest average sea temperature) is September (21.2°C).
The coldest month (with the lowest average sea temperature) is March (16°C).
Average daylight in September /
Average sunshine in September
Sagres, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Sagres, Portugal
- Average sunshine days in September: 24.9 days
The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is November (15.6 days).
Average UV index in September
Sagres, Portugal
- Average UV index in September: 6
The months with the highest UV index are 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
Sagres, Portugal
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Sagres, 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).
