Weather in September
Sea temperature
September is the month with the coldest seawater in Grand River South East, Mauritius, with an average sea temperature of 23.4°C (74.1°F).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.4°C (74.1°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in September is 11h and 59min.On the first day of September in Grand River South East, sunrise is at 06:17 and sunset at 18:00. On the last day of the month, sunrise is at 05:51 and sunset at 18:06 +04.
FAQ
What month is the sea coldest in Grand River South East?
With an average sea temperature of 23.4°C (74.1°F), September is the month with the coldest seawater in Grand River South East, Mauritius.
What is the sea temperature in September in Grand River South East?
In Grand River South East, the average seawater temperature in September is 23.4°C (74.1°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.4°C (74.1°F).
What is the average length of the day in September in Grand River South East?
In September, the average day length is 11h and 59min.
When is the sunrise / sunset in September in Grand River South East?
On the first day of September in Grand River South East, sunrise is at 06:17 and sunset at 18:00. On the last day of the month, sunrise is at 05:51 and sunset at 18:06 +04.
Average sea temperature in September
Grand River South East, Mauritius
- Average sea temperature in September: 23.4°C
The best month for swimming (with the highest average sea temperature) is March (28.5°C).
The coldest month (with the lowest average sea temperature) is September (23.4°C).
Average daylight in September
Grand River South East, Mauritius
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
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