September weather - Spring 2023 - Belle Mare, Mauritius

Weather in September
Frequently asked questions
Average temperature in September
Average pressure in September
Average wind speed in September
Average humidity in September
Average rainfall in September
Average rainfall days in September
Average sea temperature in September
Average daylight in September
Average sunshine in September
Average sunshine days in September
Average UV index in September
Average cloud cover in September
Average visibility in September

A raw coconut on the white sandy beach in Belle Mare, Mauritius, with clear water and rocks nearby

Weather in September

September highlights the return of more heat in Belle Mare, signifying a movement away from the milder months. The month has the least amount of rainfall in the year at 14mm, indicating its transition from the moderate rainy season of previous months. As the climate moves into October, the trend towards increasing warmth persists, though it remains comfortably within the tropical range. The humidity remains manageable, fostering an environment conducive to outdoor excursions and water-based activities. Overall, the gradual temperature rise marks the return of typical tropical weather in Belle Mare.

Temperature

Belle Mare's September average high-temperature settles at a moderately hot 23.2°C, showing a near match with the preceding month. Belle Mare's nights throughout September are marked by an average low temperature of 21.6°C, a minor drop from the day's high.

Humidity

July through September, with an average relative humidity of 74%, are the least humid months in Belle Mare.

Rainfall

September is the month with the least rainfall in Belle Mare. Rain falls for 12.8 days and accumulates 14mm of precipitation.

Sea temperature

August and September, with an average sea temperature of 23°C, are months with the coldest seawater.
Note: For someone sensitive to cold, swimming in 23°C waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C and 28°C.)

Daylight

In September, the average length of the day is 11h and 59min.
On the first day of September, sunrise is at 06:17 and sunset at 18:00. On the last day of the month, sunrise is at 05:51 and sunset at 18:06 +04.

Sunshine

The average sunshine in September in Belle Mare is 9.1h.

UV index

The months with the lowest UV index in Belle Mare, Mauritius, are May through November, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

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FAQ

What is the temperature in September in Belle Mare?

The high-temperature, in September, in Belle Mare, records 23.2°C, while the low-temperature is 21.6°C. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in April is appraised at 30°C.

What are the least humid months in Belle Mare?

The months with the lowest humidity in Belle Mare, Mauritius, are July through September, with an average relative humidity of 74%.

What is the average humidity in September in Belle Mare?

The average relative humidity in September in Belle Mare, Mauritius, is 74%.

What is the driest month in Belle Mare?

The month with the least rainfall in Belle Mare, Mauritius, is September, when the rain falls for 12.8 days and typically collects 14mm of precipitation.

How much does it rain in Belle Mare in September?

In Belle Mare, Mauritius, in September, it is raining for 12.8 days, with typically 14mm of accumulated precipitation.

What months are the sea coldest in Belle Mare?

The months with the coldest seawater in Belle Mare are August and September, with an average sea temperature of 23°C.

What is the sea temperature in September in Belle Mare?

In Belle Mare, the average seawater temperature in September is 23°C. For individuals prone to feeling cold, swimming in 23°C 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.

How many hours of daylight does Belle Mare have in September?

The average day length in September in Belle Mare is 11h and 59min.

What time are sunrise and sunset in September in Belle Mare?

In September, on the first day of the month, sunrise is at 06:17 and sunset at 18:00. On the last day of the month, sunrise is at 05:51 and sunset at 18:06 +04.

How long on average sun shines in September in Belle Mare?

In September, the average sunshine duration is 9.1h.

What is the month with the lowest UV index in Belle Mare?

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

What is the UV index intensity in September in Belle Mare?

The average daily maximum UV index in September in Belle Mare is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

22.9°C

23.2°C

24.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

24.9km/h

23.1km/h

20.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

16.8

12.8

11.5

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

8.4

10.5

12.4

Average UV index

Average cloud cover

42%

38%

Average visibility

10km

Average temperature in September
Belle Mare, Mauritius

Average high temperature in September: 23.2°C

The warmest month (with the highest average high temperature) is February (28.2°C).
The month with the lowest average high temperature is August (22.9°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).

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Average pressure in September
Belle Mare, Mauritius

Average pressure in September: 1020.6mbar

The month with the highest atmospheric pressure is August (1021.2mbar).
The month with the lowest atmospheric pressure is February (1011.2mbar).

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Average wind speed in September
Belle Mare, Mauritius

Average wind speed in September: 22.7km/h

The windiest month (with the highest average wind speed) is August (24.3km/h).
The calmest month (with the lowest average wind speed) is November (17.7km/h).

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Average humidity in September
Belle Mare, Mauritius

Average humidity in September: 74%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August and September (74%).

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Average rainfall in September
Belle Mare, Mauritius

Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is February (105mm).
The driest month (with the least rainfall) is September (14mm).

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Average rainfall days in September
Belle Mare, Mauritius

Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is March (21.8 days).
The month with the least rainy days is November (11.2 days).

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Average sea temperature in September
Belle Mare, Mauritius

Average sea temperature in September: 23°C

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

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Average daylight in September /
Average sunshine in September
Belle Mare, 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 18min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).

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Average sunshine days in September
Belle Mare, Mauritius

Average sunshine days in September: 10.5 days

The month with the most sunshine days is November (14.2 days).
The month with the least sunshine days is February (4 days).

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Average UV index in September
Belle Mare, 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).

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Average cloud cover in September
Belle Mare, Mauritius

Average cloud cover in September: 38

The months with the most cloud cover are March and April (Cloud cover 45).
The months with the least cloud cover are September and October (Cloud cover 38).

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Average visibility in September
Belle Mare, 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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September weather forecast
Belle Mare, Mauritius

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