September
Weather in September
Sea temperature
September is the month with the warmest seawater in Paço de Arcos, Portugal, with an average sea temperature of 19.9°C (67.8°F).Note: Swimming is not enjoyable for most people in water that is 19.9°C (67.8°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.
Daylight
In September, the average length of the day in Paço de Arcos is 12h and 26min.On the first day of the month, sunrise is at 07:06 and sunset at 20:07. On the last day of September, in Paço de Arcos, sunrise is at 07:32 and sunset at 19:21 WEST.
Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the sea warmest in Paço de Arcos?
With an average sea temperature of 19.9°C (67.8°F), September is the month with the warmest seawater in Paço de Arcos, Portugal.
What is the sea temperature in September in Paço de Arcos?
In Paço de Arcos, Portugal, the average seawater temperature in September is 19.9°C (67.8°F). For most, swimming in 19.9°C (67.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
How many hours of daylight does Paço de Arcos have in September?
In Paço de Arcos, Portugal, the average day length in September is 12h and 26min.
What time are sunrise and sunset in September in Paço de Arcos?
On the first day of September, sunrise is at 07:06 and sunset at 20:07. On the last day of the month, sunrise is at 07:32 and sunset at 19:21 WEST.
Average sea temperature in September
Paço de Arcos, Portugal
- Average sea temperature in September: 19.9°C
The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in September
Paço de Arcos, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
