September weather forecast
Gros Cailloux, Mauritius

September

Weather in September

September, the first month of the spring in Gros Cailloux, is still a warm month, with an average temperature fluctuating between 21.6°C (70.9°F) and 23.7°C (74.7°F).

Temperature

The advent of September presents an average high-temperature of a still moderately hot 23.7°C (74.7°F), maintaining a close correlation with the preceding month. A steady low-temperature average of 21.6°C (70.9°F) is logged in Gros Cailloux during September, reflecting a modest dip from daytime readings.

Humidity

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

Rainfall

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

Daylight

In Gros Cailloux, Mauritius, the average length of the day in September is 11h and 59min.
On the first day of September in Gros Cailloux, sunrise is at 06:18 and sunset at 18:01. On the last day of the month, sunrise is at 05:52 and sunset at 18:08 +04.

Sunshine

In Gros Cailloux, the average sunshine in September 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 value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 6 during September translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What are September temperatures in Gros Cailloux?
In September, the average high-temperature and low-temperature in Gros Cailloux are 23.7°C (74.7°F) and 21.6°C (70.9°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in April is computed to be 31°C (87.8°F).
What is the least humid month in Gros Cailloux?
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 Gros Cailloux?
In Gros Cailloux, the average relative humidity in September is 73%.
What is the driest month in Gros Cailloux?
September is the month with the least rainfall in Gros Cailloux, Mauritius. Rain falls for 10 days and accumulates 8mm (0.31") of precipitation.
How much does it rain in Gros Cailloux in September?
In Gros Cailloux, Mauritius, in September, it is raining for 10 days, with typically 8mm (0.31") of accumulated precipitation.
What is the average length of the day in September in Gros Cailloux?
In Gros Cailloux, the average day length in September is 11h and 59min.
What time are sunrise and sunset in September in Gros Cailloux?
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 Gros Cailloux, sunrise is at 05:52 and sunset at 18:08 +04.
How many hours of sunshine does Gros Cailloux have in September?
In September, the average sunshine duration in Gros Cailloux is 9.2h.
When is the lowest UV index in Gros Cailloux?
The months with the lowest UV index in Gros Cailloux, Mauritius, are May through November, with an average maximum UV index of 6.
What is the UV index intensity in September in Gros Cailloux?
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Gros Cailloux, 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
Gros Cailloux, 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
Gros Cailloux, 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
Gros Cailloux, 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
Gros Cailloux, 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
Gros Cailloux, 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
Gros Cailloux, 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
Gros Cailloux, 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
Gros Cailloux, 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
Gros Cailloux, 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
Gros Cailloux, 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).

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