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
Weather in September
Temperature
September's onset records an average high-temperature of a still warm 23.2°C (73.8°F), a near match to August's 23.9°C (75°F). Throughout September, the average low-temperature records at a refreshing 15.6°C (60.1°F).Humidity
The least humid month is September, with an average relative humidity of 71%.Rainfall
In Matosinhos, in September, during 7.1 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 137.1 rainfall days, and 682mm (26.85") of precipitation is accumulated.Sea temperature
The month with the warmest seawater in Matosinhos is September, with an average sea temperature of 18.2°C (64.8°F).Note: Swimming in water at 18.2°C (64.8°F) is not a pleasing experience for the majority. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), controlling breathing becomes increasingly hard.
Daylight
The average length of the day in September in Matosinhos is 12h and 28min.On the first day of September in Matosinhos, Portugal, sunrise is at 07:01 and sunset at 20:07. On the last day of the month, sunrise is at 07:30 and sunset at 19:18 WEST.
Sunshine
In Matosinhos, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index in Matosinhos is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Matosinhos in September?
What is the least humid month in Matosinhos?
What is the average humidity in September in Matosinhos?
How many days does it rain in September in Matosinhos?
When is the sea warmest in Matosinhos?
How cold is the water in September in Matosinhos?
What is the average length of the day in September in Matosinhos?
What time are sunrise and sunset in September in Matosinhos?
How long on average sun shines in September in Matosinhos?
What is the UV index intensity in September in Matosinhos?
Average temperature in September
Matosinhos, Portugal
- Average high temperature in September: 23.2°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in September: 15.6°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (8.1°C).
Average pressure in September
Matosinhos, Portugal
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Matosinhos, Portugal
- Average wind speed in September: 10.7km/h
The windiest months (with the highest average wind speed) are February and November (14.3km/h).
The calmest month (with the lowest average wind speed) is September (10.7km/h).
Average humidity in September
Matosinhos, Portugal
- Average humidity in September: 71%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (71%).
Average rainfall in September
Matosinhos, Portugal
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Matosinhos, Portugal
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (4.6 days).
Average sea temperature in September
Matosinhos, Portugal
- Average sea temperature in September: 18.2°C
The best month for swimming (with the highest average sea temperature) is September (18.2°C).
The coldest months (with the lowest average sea temperature) are February and March (13.8°C).
Average daylight in September /
Average sunshine in September
Matosinhos, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Matosinhos, Portugal
- Average sunshine days in September: 21.8 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is November (11.9 days).
Average UV index in September
Matosinhos, 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, November and December (UV index 3).
Average cloud cover in September
Matosinhos, Portugal
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 18).
Average visibility in September
Matosinhos, Portugal
- Average visibility in September: 10km
The months with the highest visibility are February, March, May, June, September, October and December (10km).
The months with the lowest visibility are January, April, July, August and November (9km).
Matosinhos, Portugal
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