Weather in September
With the sea temperature reaching the height of 29.4°C (84.9°F),
September in
Petit Bourg holds the title for the annual heat peak. The sustained warmth from
August translates into an overflow of people thronging the beachfront. September weather characteristics prepare locals for the upcoming changing season, with slightly decreasing daylight hours. As
October looms, there's a noticeable shift towards slightly shorter days and a decrease in temperature.
Sea temperature
With an average sea temperature of 29.4°C (84.9°F), September is the month with the warmest seawater.
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as highly pleasant, making all water activities enjoyable without any discomfort over long durations.
Daylight
The average length of the day in September in Petit Bourg is 12h and 13min.
On the first day of the month, sunrise is at 05:53 and sunset at 18:19. On the last day of September, sunrise is at 05:56 and sunset at 17:56 AST.
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