September
Weather in September
Sea temperature
August and September, with an average sea temperature of 13.9°C (57°F), are months with the warmest seawater in Rothesay, United Kingdom.Note: While a brief time in 13.9°C (57°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
The average length of the day in September in Rothesay is 12h and 44min.On the first day of September, sunrise is at 6:26 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 6:57 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
When is the sea warmest in Rothesay?
August and September, with an average sea temperature of 13.9°C (57°F), are months with the warmest seawater in Rothesay, United Kingdom.
How cold is the water in September in Rothesay?
In Rothesay, United Kingdom, the average seawater temperature in September is 13.9°C (57°F). Swimming in 13.9°C (57°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
What is the average length of the day in September in Rothesay?
In Rothesay, United Kingdom, the average day length in September is 12h and 44min.
When are sunrise and sunset in September in Rothesay?
In September, on the first day of the month, sunrise is at 6:26 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 6:57 pm BST.
Average sea temperature in September
Rothesay, United Kingdom
- Average sea temperature in September: 13.9°C
The best months for swimming (with the highest average sea temperature) are August and September (13.9°C).
The coldest month (with the lowest average sea temperature) is March (7.7°C).
Average daylight in September
Rothesay, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
