Weather in September
Ocean temperature
In Cobb Island, Maryland, in September, the average water temperature is 74.8°F (23.8°C).Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 74.8°F (23.8°C) waters. (For comparison, the Olympic swimming standard is set between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In Cobb Island, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:36 pm. On the last day of September, in Cobb Island, Maryland, sunrise is at 7:02 am and sunset at 6:51 pm EDT.
Frequently asked questions
What is the ocean temperature in September in Cobb Island?
In September, the average ocean temperature is 74.8°F (23.8°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 74.8°F (23.8°C) water.
What is the average length of the day in September in Cobb Island?
The average day length in September in Cobb Island, Maryland, is 12h and 25min.
When is the sunrise / sunset in September in Cobb Island?
In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:51 pm EDT.
Average sea temperature in September
Cobb Island, MD
- Average sea temperature in September: 74.9°F
The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (47.1°F).
Average daylight in September
Cobb Island, MD
- 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 36min).
Cobb Island, Maryland, USA
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