September weather forecast
Quatre Bornes, Mauritius

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Weather in September

In September, Quatre Bornes experiences an increase in temperatures, with the range settling between 21.3°C (70.3°F) and 23.7°C (74.7°F). There's a significant decrease in rainfall, reaching a yearly low of 12mm (0.47"), and an increase in wind speed to 21.5km/h (13.4mph). The days extend by 0.6 hours, bringing 12 hours of daylight and an increased sunshine duration of 9.1 hours. This weather pattern reflects a dry and breezy condition, hinting at the arrival of a slightly harsher weather spell in the coming months. One of the salient features of September is a further decrease in the UV index, which, however, continues to remain in the higher band.

Temperature

With September's arrival, Quatre Bornes, Mauritius, notes an average high-temperature of a still moderately hot 23.7°C (74.7°F), closely following the trend of the preceding month. During September, nights in Quatre Bornes cool slightly to an average low of 21.3°C (70.3°F).

Humidity

August and September, with an average relative humidity of 73%, are the least humid months in Quatre Bornes.

Rainfall

September is the month with the least rainfall in Quatre Bornes. Rain falls for 13.1 days and accumulates 12mm (0.47") of precipitation.

Daylight

In Quatre Bornes, the average length of the day in September is 11h and 59min.
On the first day of September, sunrise is at 06:18 and sunset at 18:01. On the last day of the month, sunrise is at 05:51 and sunset at 18:08 +04.

Sunshine

The average sunshine in September is 9.1h.

UV index

The months with the lowest UV index in Quatre Bornes are April through November, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What are September temperatures in Quatre Bornes?

The average high-temperature and low-temperature in Quatre Bornes during September are 23.7°C (74.7°F) and 21.3°C (70.3°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in April is computed to be 30°C (86°F).

What is the least humid month in Quatre Bornes?

The months with the lowest humidity are August and September, with an average relative humidity of 73%.

What is the average humidity in September in Quatre Bornes?

The average relative humidity in September is 73%.

What is the driest month in Quatre Bornes?

September is the month with the least rainfall. Rain falls for 13.1 days and accumulates 12mm (0.47") of precipitation.

How much does it rain in Quatre Bornes in September?

In Quatre Bornes, in September, during 13.1 rainfall days, 12mm (0.47") of precipitation is typically accumulated.

How many hours of daylight does Quatre Bornes have in September?

In Quatre Bornes, the average day length in September is 11h and 59min.

When is the sunrise / sunset in September in Quatre Bornes?

In September, on the first day of the month, sunrise is at 06:18 and sunset at 18:01. On the last day of the month, in Quatre Bornes, sunrise is at 05:51 and sunset at 18:08 +04.

How many hours of sunshine does Quatre Bornes have in September?

The average sunshine duration in September in Quatre Bornes, Mauritius, is 9.1h.

What is the month with the lowest UV index in Quatre Bornes?

The months with the lowest UV index are April through November, with an average maximum UV index of 6.

What is the UV index intensity in September in Quatre Bornes?

In Quatre Bornes, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in September
Quatre Bornes, Mauritius

Average temperature in September - Quatre Bornes, Mauritius
  • Average high temperature in September: 23.7°C

The warmest month (with the highest average high temperature) is February (28.5°C).
The months with the lowest average high temperature are July and August (23.3°C).

  • Average low temperature in September: 21.3°C

The month with the highest average low temperature is February (25.6°C).
The coldest month (with the lowest average low temperature) is August (20.7°C).

Average pressure in September
Quatre Bornes, Mauritius

Average pressure in September - Quatre Bornes, Mauritius
  • Average pressure in September: 1020.5mbar

The month with the highest atmospheric pressure is August (1021mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).

Average wind speed in September
Quatre Bornes, Mauritius

Average wind speed in September - Quatre Bornes, Mauritius
  • Average wind speed in September: 21.5km/h

The windiest month (with the highest average wind speed) is August (22.8km/h).
The calmest month (with the lowest average wind speed) is November (16.4km/h).

Average humidity in September
Quatre Bornes, Mauritius

Average humidity in September - Quatre Bornes, Mauritius
  • Average humidity in September: 73%

The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are August and September (73%).

Average rainfall in September
Quatre Bornes, Mauritius

Average rainfall in September - Quatre Bornes, Mauritius
  • Average rainfall in September: 12mm

The wettest month (with the highest rainfall) is January (129mm).
The driest month (with the least rainfall) is September (12mm).

Average rainfall days in September
Quatre Bornes, Mauritius

Average rainfall days in September - Quatre Bornes, Mauritius
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is March (23.6 days).
The month with the least rainy days is October (12.2 days).

Average daylight in September /
Average sunshine in September
Quatre Bornes, Mauritius

Average daylight in September / Average sunshine in September - Quatre Bornes, 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).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is October (Average sunshine: 10h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 12min).

Average sunshine days in September
Quatre Bornes, Mauritius

Average sunshine days in September - Quatre Bornes, Mauritius
  • Average sunshine days in September: 9.3 days

The month with the most sunshine days is October (11.8 days).
The month with the least sunshine days is February (3.2 days).

Average UV index in September
Quatre Bornes, Mauritius

Average UV index in September - Quatre Bornes, Mauritius
  • Average UV index in September: 6

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

Average cloud cover in September
Quatre Bornes, Mauritius

Average cloud cover in September - Quatre Bornes, Mauritius
  • Average cloud cover in September: 37

The months with the most cloud cover are March and April (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 37).

Average visibility in September
Quatre Bornes, Mauritius

Average visibility in September - Quatre Bornes, Mauritius
  • Average visibility in September: 10km

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

Quatre Bornes, Mauritius

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