September weather forecastA Guarda, Spain
September
Weather in September
Sea temperature
September is the month with the warmest seawater in A Guarda, Spain, with an average sea temperature of 18.3°C (64.9°F).Note: Swimming in 18.3°C (64.9°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In A Guarda, Spain, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 08:01 and sunset at 21:08. On the last day of September, in A Guarda, sunrise is at 08:31 and sunset at 20:18 CEST.
Updated: Jan 29, 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
With an average sea temperature of 18.3°C (64.9°F), September is the month with the warmest seawater.
In September, the average sea temperature in A Guarda, Spain, is 18.3°C (64.9°F). For swimming, a surface water temperature of 18.3°C (64.9°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
The average day length in September is 12h and 29min.
On the first day of September, sunrise is at 08:01 and sunset at 21:08. On the last day of the month, sunrise is at 08:31 and sunset at 20:18 CEST.
Average sea temperature in September
A Guarda, Spain
- Average sea temperature in September: 18.3°C
The best month for swimming (with the highest average sea temperature) is September (18.3°C).
The coldest months (with the lowest average sea temperature) are February and March (13.8°C).
Average daylight in September
A Guarda, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).








