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
September is the month with the warmest seawater, with an average sea temperature of 29.4°C (84.9°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is perceived as agreeably warm, making all water activities enjoyable without the risk of discomfort over lengthy durations.
Daylight
In Petit Bourg, the average length of the day in September 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.