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
The initiation of September sees an average high-temperature of a still moderately hot 24.5°C (76.1°F), showing minor variations from the previous month. September nights in Barcelos are marked by an average low-temperature of 15°C (59°F).Humidity
September is the least humid month in Barcelos, with an average relative humidity of 68%.Rainfall
In September, in Barcelos, the rain falls for 6.8 days. Throughout September, 32mm (1.26") of precipitation is accumulated. In Barcelos, during the entire year, the rain falls for 138.8 days and collects up to 930mm (36.61") of precipitation.Daylight
The average length of the day in September in Barcelos is 12h and 28min.On the first day of the month, sunrise is at 07:01 and sunset at 20:07. On the last day of September, sunrise is at 07:30 and sunset at 19:17 WEST.
Sunshine
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Barcelos?
What is the least humid month in Barcelos?
What is the average humidity in September in Barcelos?
How many days does it rain in September in Barcelos?
What is the average length of the day in September in Barcelos?
When are sunrise and sunset in September in Barcelos?
How many hours of sunshine does Barcelos have in September?
How high is the UV index in September in Barcelos?
Average temperature in September
Barcelos, Portugal
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in September: 15°C
The month with the highest average low temperature is August (15.5°C).
The coldest months (with the lowest average low temperature) are January and February (6.9°C).
Average pressure in September
Barcelos, Portugal
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Barcelos, Portugal
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is September (8.8km/h).
Average humidity in September
Barcelos, Portugal
- Average humidity in September: 68%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (68%).
Average rainfall in September
Barcelos, Portugal
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is November (144mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Barcelos, Portugal
- Average rainfall days in September: 6.8 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (4.8 days).
Average daylight in September /
Average sunshine in September
Barcelos, 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 1min
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 48min).
Average sunshine days in September
Barcelos, Portugal
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in September
Barcelos, 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, November and December (UV index 3).
Average cloud cover in September
Barcelos, Portugal
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July, August and September (Cloud cover 20).
Average visibility in September
Barcelos, Portugal
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
