Weather in September
September ushers in the transition from peak summer to slightly cooler autumn conditions. The sea temperatures cool slightly to 29.8°C (85.6°F), hinting at the end of the scorching summer time. The lush greenery appears more lucid with the sun shining at its brightest. The relative decrease in temperature paves the way for beach activities to thrive.
Sea temperature
The month with the warmest seawater is September, with an average sea temperature of 29.8°C (85.6°F).
Note: In any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.
Daylight
In
Mole Saint-Nicolas, the average length of the day in September is 12h and 15min.
On the first day of September, sunrise is at 06:38 and sunset at 19:08. On the last day of the month, sunrise is at 06:44 and sunset at 18:42 EDT.
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