Weather in September
As the calendar flips to September, Saint Martin encounters the initial signs of the impending autumn. Although the sea temperatures remain high, hovering around 83.1°F (28.4°C), there is a noticeable decrease from the scorching summer heights. There are still enough daylight hours for beach activities, but the intensity of the summer sun begins to fade. With the frenetic summer vibe gradually petering out, it marks a gentle shift in seasons as Saint Martin approaches the fall.
Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:41 pm CDT.
Ocean temperature
In September, the average ocean temperature is 83.1°F (28.4°C).Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
Daylight
The average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:41 pm CDT.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the water temperature in September?
In September, the average ocean temperature is 83.1°F (28.4°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
How many hours of daylight does Saint Martin have in September?
In Saint Martin, the average day length in September is 12h and 20min.
When are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:41 pm CDT.
Average sea temperature in September
Saint Martin, MS
- Average sea temperature in September: 83.1°F
The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).
Average daylight in September
Saint Martin, MS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
Saint Martin, Mississippi, USA
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