September weather forecast and climate
Port Mathurin, Mauritius

Weather in September

The first month of the spring, September, is also a moderately hot month in Port Mathurin, Mauritius, with average temperature fluctuating between 22.4°C (72.3°F) and 23°C (73.4°F).

Temperature

With an average high-temperature of 23°C (73.4°F) and an average low-temperature of 22.4°C (72.3°F), September is the coldest month.

Humidity

The average relative humidity in September is 76%.

Rainfall

September is the month with the least rainfall in Port Mathurin. Rain falls for 17 days and accumulates 13mm (0.51") of precipitation.

Sea temperature

August and September, with an average sea temperature of 23.3°C (73.9°F), are months with the coldest seawater in Port Mathurin.
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.3°C (73.9°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 Port Mathurin is 12h.

Sunshine

In Port Mathurin, the average sunshine in September is 7.9h.

UV index

May through October, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the coldest month in Port Mathurin?

With an average high-temperature of 23°C (73.4°F) and an average low-temperature of 22.4°C (72.3°F), September is the coldest month.

What is the average humidity in September in Port Mathurin?

The average relative humidity in September in Port Mathurin, Mauritius, is 76%.

What is the driest month in Port Mathurin?

The month with the least rainfall is September when the rain falls for 17 days and typically collects 13mm (0.51") of precipitation.

How much does it rain in Port Mathurin in September?

In Port Mathurin, Mauritius, during September, the rain falls for 17 days and regularly aggregates up to 13mm (0.51") of precipitation.

What are the months with the coldest sea water in Port Mathurin?

August and September, with an average sea temperature of 23.3°C (73.9°F), are months with the coldest seawater.

What is the sea temperature in September in Port Mathurin?

In Port Mathurin, Mauritius, in September, the average water temperature is 23.3°C (73.9°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 23.3°C (73.9°F).

How many hours of daylight does Port Mathurin have in September?

In September, the average length of the day is 12h.

How long on average sun shines in September in Port Mathurin?

The average sunshine in September in Port Mathurin is 7.9h.

When is the lowest UV index in Port Mathurin?

Months with the lowest UV index in Port Mathurin, Mauritius, are May through October, with an average maximum UV index of 6.

What is the UV index reading in September in Port Mathurin?

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.

Average temperature in September
Port Mathurin, Mauritius

Average temperature in September - Port Mathurin, Mauritius
  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is September (23°C).

  • Average low temperature in September: 22.4°C

The month with the highest average low temperature is February (27°C).
The coldest month (with the lowest average low temperature) is August (22.1°C).

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Average pressure in September
Port Mathurin, Mauritius

Average pressure in September - Port Mathurin, Mauritius
  • Average pressure in September: 1019.7mbar

The month with the highest atmospheric pressure is August (1020.2mbar).
The month with the lowest atmospheric pressure is February (1011mbar).

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Average wind speed in September
Port Mathurin, Mauritius

Average wind speed in September - Port Mathurin, Mauritius
  • Average wind speed in September: 30.7km/h

The windiest month (with the highest average wind speed) is August (33.2km/h).
The calmest month (with the lowest average wind speed) is February (24km/h).

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Average humidity in September
Port Mathurin, Mauritius

Average humidity in September - Port Mathurin, Mauritius
  • Average humidity in September: 76%

Months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in September
Port Mathurin, Mauritius

Average rainfall in September - Port Mathurin, Mauritius
  • Average rainfall in September: 13mm

The wettest month (with the highest rainfall) is March (140mm).
The driest month (with the least rainfall) is September (13mm).

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Average rainfall days in September
Port Mathurin, Mauritius

Average rainfall days in September - Port Mathurin, Mauritius
  • Average rainfall days in September: 17 days

The month with the highest number of rainy days is March (21.9 days).
The month with the least rainy days is November (11.6 days).

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Average sea temperature in September
Port Mathurin, Mauritius

Average sea temperature in September - Port Mathurin, Mauritius
  • Average sea temperature in September: 23.3°C

The best month for swimming (with the highest average sea temperature) is March (28.2°C).
The coldest months (with the lowest average sea temperature) are August and September (23.3°C).

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Average daylight in September /
Average sunshine in September
Port Mathurin, Mauritius

Average daylight in September / Average sunshine in September - Port Mathurin, Mauritius
  • Average daylight in September: 12h

The month with the longest days is December (Average daylight: 13.3h).
The month with the shortest days is June (Average daylight: 11h).

  • Average sunshine in September: 7.9h

The month with the most sunshine is December (Average sunshine: 9.8h).
The month with the least sunshine is July (Average sunshine: 6.1h).

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Average sunshine days in September
Port Mathurin, Mauritius

Average sunshine days in September - Port Mathurin, Mauritius
  • Average sunshine days in September: 5.7 days

The month with the most sunshine days is November (9.2 days).
The month with the least sunshine days is February (4.4 days).

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Average UV index in September
Port Mathurin, Mauritius

Average UV index in September - Port Mathurin, Mauritius
  • Average UV index in September: 6

Months with the highest UV index are January, February, March, April, November and December (UV index 7).
Months with the lowest UV index are May, June, July, August, September and October (UV index 6).

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Average cloud cover in September
Port Mathurin, Mauritius

Average cloud cover in September - Port Mathurin, Mauritius
  • Average cloud cover in September: 43

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is May (Cloud cover 40).

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Average visibility in September
Port Mathurin, Mauritius

Average visibility in September - Port Mathurin, Mauritius
  • Average visibility in September: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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