Trou d'Eau Douce
Mauritius
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Trou d'Eau Douce, Mauritius

September, the first month of the spring, in Trou d'Eau Douce, is still a warm month, with average temperature fluctuating between 24°C (75.2°F) and 17°C (62.6°F).

Temperature

The coldest months are July through September, with an average high-temperature of 24°C (75.2°F).

Rainfall

In Trou d'Eau Douce, in September, it is raining for 12 days, with typically 114mm (4.5") of accumulated precipitation. Throughout the year, there are 177 rainfall days, and 2839mm (111.8") of precipitation is accumulated.

Sea temperature

Months with the coldest seawater are August and September, with an average sea temperature of 23°C (73.4°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in Trou d'Eau Douce, Mauritius, is 12h.

Sunshine

Months with the least sunshine in Trou d'Eau Douce are April through September, with an average of 6h of sunshine.

UV index

The average daily maximum UV index in Trou d'Eau Douce is 10. A UV Index reading of 8 to 10 represents a very high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 10 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Protect yourself by liberally applying a sunscreen of at least 30 SPF. Sunscreen prevents sunburn and decreases the damaging effects of Sun's radiation on the immune system. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the coldest month in Trou d'Eau Douce?

July through September, with an average high-temperature of 24°C (75.2°F), are the coldest months.

What is the temperature in September in Trou d'Eau Douce?

In September, in Trou d'Eau Douce, Mauritius, the average high-temperature is 24°C (75.2°F), and the average low-temperature is 17°C (62.6°F).

How many days does it rain in September in Trou d'Eau Douce?

In Trou d'Eau Douce, in September, during 12 rainfall days, 114mm (4.5") of precipitation is typically accumulated.

What months are the sea coldest in Trou d'Eau Douce?

August and September, with an average sea temperature of 23°C (73.4°F), are months with the coldest seawater.

How warm is the water in September in Trou d'Eau Douce?

In Trou d'Eau Douce, Mauritius, the average seawater temperature in September is 23°C (73.4°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°C (73.4°F).

How many hours of daylight does Trou d'Eau Douce have in September?

The average length of the day in September in Trou d'Eau Douce is 12h.

What is the month with the least sunshine in Trou d'Eau Douce?

April through September, with an average of 6h of sunshine, are months with the least sunshine in Trou d'Eau Douce, Mauritius.

How long on average sun shines in September in Trou d'Eau Douce?

In September, the average sunshine in Trou d'Eau Douce is 6h.

What is the UV index reading in September in Trou d'Eau Douce?

In September, the average daily maximum UV index in Trou d'Eau Douce, Mauritius, is 10. A UV Index reading of 8 to 10 represents a very high health risk from the exposure to the Sun's UV rays.
Average temperature in September - Trou d
  • Average high temperature in September: 24°C

Warmest months (with the highest average high temperature) are January, February and March (29°C).
Months with the lowest average high temperature are July, August and September (24°C).

  • Average low temperature in September: 17°C

Months with the highest average low temperature are January, February and March (22°C).
Coldest months (with the lowest average low temperature) are June, July, August and September (17°C).

Average rainfall in September - Trou d
  • Average rainfall in September: 114mm

The wettest month (with the highest rainfall) is February (393mm).
The driest month (with the lowest rainfall) is October (109mm).

Average rainfall days in September - Trou d
  • Average rainfall days in September: 12 days

Months with the highest number of rainy days are January, February and March (17 days).
Months with the lowest number of rainy days are September and November (12 days).

Average sea temperature in September - Trou d
  • Average sea temperature in September: 23°C

The best month for swimming (with the highest average sea temperature) is February (28°C).
Coldest months (with the lowest average sea temperature) are August and September (23°C).

Average daylight in September / Average sunshine in September - Trou d
  • Average daylight in September: 12h

The month with the longest days is December (Average daylight: 13.3h).
The month with shortest days is June (Average daylight: 10.9h).

  • Average sunshine in September: 6h

The month with most sunshine is November (Average sunshine: 8h).
Months with least sunshine are April, May, June, July, August and September (Average sunshine: 6).

Average UV index in September - Trou d
  • Average UV index in September: 10

Months with the highest UV index are January, February, March, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 6).