September weather forecast
Saint Pierre, Mauritius

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Weather in September

Transitioning to September, Saint Pierre sees a slight rise in temperature to 23.7°C (74.7°F), hinting at the upcoming warmer season. Wind speeds start to decrease, marking the end of the windy season. Also, the increased temperature coincides with brighter days as sunshine and daylight hours slightly increase. However, rainfall remains at a minimum, maintaining the dry conditions prevailing since June. In essence, September in Saint Pierre is mildly warm, less windy, and relatively dry.

Temperature

The arrival of September in Saint Pierre, Mauritius, records an average high-temperature of a still warm 23.7°C (74.7°F), closely related to the 23.5°C (74.3°F) observed in August. During the month of September, Saint Pierre's average nighttime temperature closely mirrors its daytime counterpart, at an agreeable 21.6°C (70.9°F).

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 10 days and typically collects 8mm (0.31") of precipitation.

Daylight

The average length of the day in September in Saint Pierre 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 18:07 +04.

Sunshine

The average sunshine in September in Saint Pierre is 9.2h.

UV index

May through November, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Fend off overexposure. Sun protection is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What are the temperatures in Saint Pierre in September?

September temperatures vary between a high-temperature of 23.7°C (74.7°F) and a low-temperature of 21.6°C (70.9°F). In April, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 31°C (87.8°F).

What are the least humid months in Saint Pierre?

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

What is the average humidity in September in Saint Pierre?

In Saint Pierre, Mauritius, the average relative humidity in September is 73%.

What is the driest month in Saint Pierre?

September is the month with the least rainfall. Rain falls for 10 days and accumulates 8mm (0.31") of precipitation.

How many days does it rain in September in Saint Pierre?

In Saint Pierre, Mauritius, in September, during 10 rainfall days, 8mm (0.31") of precipitation is typically accumulated.

How many hours of daylight does Saint Pierre have in September?

In Saint Pierre, Mauritius, the average day length in September is 11h and 59min.

When is the sunrise / sunset in September in Saint Pierre?

On the first day of September in Saint Pierre, 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 18:07 +04.

How long on average sun shines in September in Saint Pierre?

The average sunshine duration in September in Saint Pierre is 9.2h.

What are the months with the lowest UV index in Saint Pierre?

May through November, with an average maximum UV index of 6, are months with the lowest UV index in Saint Pierre.

What is the UV index intensity in September in Saint Pierre?

In September, the average daily maximum UV index in Saint Pierre is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Average temperature in September
Saint Pierre, Mauritius

Average temperature in September - Saint Pierre, Mauritius
  • Average high temperature in September: 23.7°C

The warmest month (with the highest average high temperature) is February (28.6°C).
The month with the lowest average high temperature is August (23.5°C).

  • Average low temperature in September: 21.6°C

The month with the highest average low temperature is February (26°C).
The coldest month (with the lowest average low temperature) is August (21.3°C).

Average pressure in September
Saint Pierre, Mauritius

Average pressure in September - Saint Pierre, 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
Saint Pierre, Mauritius

Average wind speed in September - Saint Pierre, Mauritius
  • Average wind speed in September: 22.1km/h

The windiest month (with the highest average wind speed) is August (23.6km/h).
The calmest month (with the lowest average wind speed) is November (17.1km/h).

Average humidity in September
Saint Pierre, Mauritius

Average humidity in September - Saint Pierre, 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
Saint Pierre, Mauritius

Average rainfall in September - Saint Pierre, Mauritius
  • Average rainfall in September: 8mm

The wettest month (with the highest rainfall) is January (97mm).
The driest month (with the least rainfall) is September (8mm).

Average rainfall days in September
Saint Pierre, Mauritius

Average rainfall days in September - Saint Pierre, Mauritius
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are October and November (9.5 days).

Average daylight in September /
Average sunshine in September
Saint Pierre, Mauritius

Average daylight in September / Average sunshine in September - Saint Pierre, 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 24min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).

Average sunshine days in September
Saint Pierre, Mauritius

Average sunshine days in September - Saint Pierre, Mauritius
  • Average sunshine days in September: 13.1 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is February (5.2 days).

Average UV index in September
Saint Pierre, Mauritius

Average UV index in September - Saint Pierre, Mauritius
  • Average UV index in September: 6

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

Average cloud cover in September
Saint Pierre, Mauritius

Average cloud cover in September - Saint Pierre, Mauritius
  • Average cloud cover in September: 36

The months with the most cloud cover are January and March (Cloud cover 44).
The month with the least cloud cover is May (Cloud cover 35).

Average visibility in September
Saint Pierre, Mauritius

Average visibility in September - Saint Pierre, 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).

Saint Pierre, Mauritius

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