September
Weather in September
Sea temperature
With an average sea temperature of 17.5°C (63.5°F), September is the month with the warmest seawater in Saint Leonards, United Kingdom.Note: For most, swimming in 17.5°C (63.5°F) is not a pleasant experience. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes more difficult.
Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:42 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:37 pm BST.
Updated: Feb 8, 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 is the month with the warmest sea water in Saint Leonards?
September is the month with the warmest seawater, with an average sea temperature of 17.5°C (63.5°F).
What is the sea temperature in September in Saint Leonards?
In Saint Leonards, the average seawater temperature in September is 17.5°C (63.5°F). For most, swimming in 17.5°C (63.5°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 Saint Leonards have in September?
In September, the average day length in Saint Leonards, United Kingdom, is 12h and 38min.
What time are sunrise and sunset in September in Saint Leonards?
In September, on the first day of the month, sunrise is at 6:12 am and sunset at 7:42 pm. On the last day of the month, in Saint Leonards, United Kingdom, sunrise is at 6:57 am and sunset at 6:37 pm BST.
Average sea temperature in September
Saint Leonards, United Kingdom
- Average sea temperature in September: 17.5°C
The best month for swimming (with the highest average sea temperature) is September (17.5°C).
The coldest month (with the lowest average sea temperature) is March (8°C).
Average daylight in September
Saint Leonards, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
